Skip to content
Temblor.net
Menu
  • Global Risk Solutions
    • Realtime Risk
    • TemblorCat (Stochastic Event Set)
    • PUSH (Probabilistic Uniform Seismic Hazard)
    • STAMP (SiTe AMPlification)
    • Temblor API
    • Temblor Webinars
    • Coulomb Software and User Guide
  • Temblor Earth News
  • Check My Risk
    • Temblor (Web)
    • Temblor (iOS)
    • Temblor (Android)
    • Insurance & Retrofit
      • Insurance Alternatives
      • Insurance Agents
      • Retrofit Contractors
      • Structural Products
      • Structural Engineers
      • Quake Prep Consulting
      • Join As a Pro
      • Advertise
    • FAQ
      • Should I retrofit my building?
      • Should I buy insurance?
      • Living with Liquefaction
      • Find a safe home in earthquake country
      • How to prepare for an earthquake
      • How to get involved
    • Demos
  • About
    • Contact
  • Career

Category: Earthquake Insights

Map of the magnitude-7.0 and aftershocks.
Earthquake Insights / Publications / Temblor

Magnitude-7.0 quake strikes Aegean Sea

A strong earthquake rattled Turkey and Greece today, causing significant damage and a tsunami that flooded parts of Seferihisar, Turkey, and the Greek island of Samos.   By Jennifer Schmidt, …

Earthquake Insights / News Notes / Publications / Temblor

M 7.0 quake rattles Turkey and Greece

  A M 7.0 earthquake rattled Western Turkey and Eastern Greece today. The epicenter is located within the Aegean Sea, north of Samos. Reports of severe damaged in Izmir.   …

Map of M5.0 and M4.4 quakes in Philippines
Earthquake Insights / News Notes / Publications / Temblor

Two moderate quakes rattle Batangas City

  M5.0 and M4.4 quakes struck near Batangas City in the Philippines this morning. The region is at risk of strong shaking according to Temblor’s hazard model. The nearby 1994 …

Map of Simeonof magnitude-7.8 earthquake and aftershocks
Earthquake Insights / Publications / Temblor

Alaska’s double quakes exceed expectations

Last week’s magnitude-7.6 Alaska quake raises questions about the nature of aftershocks.   By Elisabeth Nadin, Ph.D., Associate Professor, University of Alaska Fairbanks   Citation: Nadin, E., 2020, Alaska’s double …

Rocks moved from their initial location
Earthquake Insights / Publications / Temblor

Large quakes make rocks jump

During large quakes, rocks can jump or shift from their initial locations. How far they traveled tells scientists how much the ground moved during rupture.   By Alka Tripathy-Lang, Ph. …

Los Angeles skyline
Earthquake Insights / Publications / Temblor

Ridgecrest quake shook tall LA buildings up to 4 times more than expected

Ground motions in Los Angeles Basin show up to four times greater shaking than expected from the Ridgecrest earthquake.   by Laura Fattaruso, M.S., Ph.D. Candidate, UMass Amherst (@labtalk_laura)   …

Temblor's 12 month earthquake forecast Aleutians
Earthquake Insights / News Notes

Aleutian 12 month earthquake forecast

  In the wake of the recent M7.8 and M7.6 earthquakes in Alaska, Temblor issued an earthquake forecast for the next 12 months, based on the background quake rate and …

Comparison of CA USGS and CHIMP seismic hazard map
Earthquake Insights / Publications / Temblor

Earthquake hazard maps may overestimate shaking dangers

Scientists working on the California Historical Intensity Mapping Project compare quake-shaking forecasts to measured shaking intensity, with some surprising results.   By Julie Pierce Onos (@JuliePierceOnos)   Citation: Pierce Onos, …

Kaikōura earthquake scarp
Earthquake Insights / Publications / Temblor

How do people use aftershock forecasts? The survey says…

Surveys reveal how different stakeholders used aftershock forecasts following the 2016 Kaikōura earthquake in New Zealand.   By D’Maia Curry, freelance science writer Citation: Curry, D., 2020, How do people …

M7.8 earthquake location map
Earthquake Insights / News Notes

M7.5 quake in Aleutian Islands

  A M7.5 quake struck off the coast of Sand Point, Alaska today, triggering a tsunami warning for much of the Aleutian Islands. The quake struck in the middle of …

Speakers at a press conference at the LA Area Chamber of Commerce
Earthquake Insights / Publications / Temblor

A ShakeOut focus on resilience

As millions of people participate in earthquake drills as part of the ShakeOut, resilience experts note the importance of preparation, especially for businesses. A new resilience webinar series was announced. …

İç Anadolu ve Doğu Anadolu çevresindeki başlıca aktif fay konumları.
Earthquake Insights / Publications / Temblor

Orta şiddetli deprem Orta Anadolu’da (Türkiye) büyük bir makaslama zonunun bulunduğunu hatırlatıyor

Orta Anadolu’nun (Türkiye) oldukça büyük bir bölümünü kesen hipotetik bir makaslama zonunda orta şiddette bir deprem oldu.   Haluk Eyidoğan, Ph.D., Sismoloji Profesörü, İstanbul Teknik Üniversitesi   Citation: Eyidoğan, H., …

Major active fault locations around Central Anatolia and Eastern Anatolia
Earthquake Insights / Publications / Temblor

Moderate quake indicates large shear zone present in Central Turkey

A moderate quake struck on a hypothetical shear zone that cuts through a sizable portion of Central Turkey.   By: Haluk Eyidoğan, Ph.D., Professor of Seismology, İstanbul Technical University   …

Aerial view of the Calaveras Reservoir, looking to the east. Calaveras Dam is located on the left (north) edge of the reservoir in the photograph. Credit: Dicklyon (CC BY-SA 4.0)
Earthquake Insights / Publications / Temblor

Earthquake swarm rattles ground near new Calaveras Dam

A series of small earthquakes near the recently built Calaveras Dam replacement is a reminder of the significant seismic hazard at the new dam site.   By Melissa L. Weber, …

Earthquake Insights / Opinion / Publications / Temblor

Opinion: What fighting California wildfires teaches us about earthquake response

Ross Stein tells a story of how a group of residents saved their neighborhood from the recent CZU Lightening Complex Fire in this 3.5-minute video.   By Ross Stein, Ph.D., …

Earthquake Insights / Publications / Sponsored / Temblor

Moderate quake rattles Los Angeles: A Q&A with Egill Hauksson and John Shaw

Two leading geoscientists weigh in on what the Sept. 18, magnitude-4.5 earthquake means for Los Angeles. “[This quake] tells us there may be even more active faults below the surface …

Earthquake Insights / Publications / Temblor

California’s Salton Sea rumbles again

An earthquake swarm south of the Salton Sea fired off hundreds of quakes in the past 24 hours, including a magnitude-4.9 jolt felt as far away as San Diego.   …

Earthquake Insights / News Notes

Earthquake swarm near Salton Sea

  A vigorous seismic swarm is in progress in the Brawley Seismic Zone, a fault band that connects the Imperial Fault with the San Andreas. The Zone has a history …

Earthquake Insights / Publications / Temblor

Himalayan range awaits large quakes

The faults bounding the Himalayan range front could produce great earthquakes, similar to those which struck the Aleutian arc during the twentieth century.   By Akash Kharita, Indian Institute of …

Earthquake Insights / Publications / Temblor

Fault ‘scratches’ offer clues to rupture direction

Researchers have discovered a pattern in slickenlines — scratches on fault surfaces — that can be used to determine which way a fault ruptured in a past earthquake.   By …

Earthquake Insights / Publications / Temblor

Ocean acoustics confirm rising sea temperatures

Researchers devised a way to measure changes in ocean temperature using earthquakes. By mining historical seismic records, researchers got a glimpse of past ocean trends.   By Shi En Kim …

Earthquake Insights / News Notes

M 5.3 in Central Turkey

  A M5.3 quake struck Central Turkey this evening. Although the area has been relatively seismically quiet in the last century compared to other parts of the country, strong earthquakes …

Earthquake Insights / News Notes

M 4.5 in Southern California

  A M4.5 shock rattled Southern California last night. Reports of shaking reached San Diego. The epicenter lies just a few miles from that of the damaging 1987 Whittier Narrows …

Earthquake Insights / Publications / Temblor

Preparing for an earthquake during a pandemic

COVID-19 infection rates would rise if a large earthquake occurred during the pandemic. Researchers say that the number of resulting new cases depends on whether authorities prepare now.   By …

Earthquake Insights / News Notes

M 4.3 in western Turkey

  A M4.3 quake shook western Turkey today. This event lies near the eastern tip of the 1912 M7.4 Ganos earthquake rupture area, a site perhaps brought closer to failure …

Map showing the location of the main faults (f) and fault systems (f.z.) in southern California, (USA) and northern Baja California (Mexico), and the epicenter of some of the earthquakes referred.
Earthquake Insights / Publications / Temblor

Baja quakes highlight seismic risk in northern Mexico

A magnitude-5.1 earthquake that recently occurred in Baja California, Mexico was felt as far as Los Angeles, California. What is the seismic risk imposed by the faults in Baja California? …

Earthquake Insights / News Notes

M 6.4 quake strikes Davao, Philippines

  A M6.4 quake shook the island of Mindanao in the Philippines this evening. The quake struck just offshore. In December of last year, the nearby onshore M6.8 Davao del …

Earthquake Insights / News Notes

M 6.3 in Chile

  A M 6.3 quake struck 40 km northwest of Ovalle, Chile this evening. The strong quake came on the heels of a M 6.8 shock that occurred last week …

Earthquake Insights / News Notes

M 6.8 in central Chile

  A shallow M 6.8 quake rocked central Chile today. Several aftershocks have followed so far. M 7.0+ quakes are common in this region, which sits above the Peru-Chile Trench, …

Earthquake Insights / Publications / Temblor

The Great Quake Debate: an interview with seismologist and author Susan Hough

In the early 1900s, debate raged about Southern California’s earthquake risk. Intrigued by the adversaries, seismologist Susan Hough wrote a book about it.   By Alka Tripathy-Lang, Ph.D (@DrAlkaTrip)   …

Earthquake Insights / News Notes

M 4.5 quake in Jamaica

  Some residents in central Jamaica were jolted awake this morning when a M4.5 quake struck the Island. Several faults — mostly strike slip — cut the region and occasionally …

Earthquake Insights / Publications / Temblor

Seismic sensors on the ground record auroras in the sky

A recent study shows that seismometers on the ground are behaving like magnetometers that record auroral activity in Alaska.   By Jeng Hann Chong, Cal State University Northridge   Citation: …

Earthquake Insights / News Notes

M 5.3 quake strikes Costa Rican coast

  A M 5.3 quake shook the Pacific coast of Costa Rica today and was felt throughout the country. The region has hosted M 7+ quakes in the recent past …

Earthquake Insights / Publications / Temblor

Rural areas may suffer disproportionately in quakes

Location matters: Seismologists studying historical casualty estimates after large earthquakes suggest future rescue efforts should look for rural-area victims.   By Melissa L. Weber, MA (@Melwriter)   Citation: Weber, M., …

Earthquake Insights / News Notes

Pair of quakes strikes offshore Sumatra

  A pair of earthquakes struck offshore Sumatra today. The first, a M 6.8, was followed by a M 6.9 approximately 6 minutes later. Both quakes likely struck along the …

Earthquake Insights / News Notes

M 6.6 quake in Samar

A M 6.6 quake struck in Samar, Philippines this morning. Some damage had been reported in nearby areas. The strike slip quake likely originated along a section of the Philippine …

Earthquake Insights / Publications / Temblor

Ground vibrations in the time of coronavirus

The quieting of seismic noise during the coronavirus lockdown may help scientists understand Earth’s natural vibrations.   By Elizabeth Goldbaum, Science Writer (@EFGoldbaum)   Citation: Goldbaum, E., 2020, Ground vibrations …

Earthquake Insights / Publications / Temblor

Rapid climate change caused Las Vegas fault to shake

A fault that lies beneath north Las Vegas has now been shown to have tectonic origins — with implications for seismic hazards in Las Vegas. New research reveals when and …

Tensional faults, on which the magnitude-4.6 occurred, run approximately NNE-SSW and transfer plate motion from the Imperial Fault to the San Andreas. So far, the earthquakes in the Salton Sea Swarm have not migrated onto the San Andreas, but they are close to a southern extension of San Andreas into the Salton Sea. Credit: Temblor.
Earthquake Insights / Publications / Temblor

Salton Sea Swarm quiets down

An earthquake swarm under the Salton Sea appears to be calming down after a day, but scientists continue to keep a close eye on the region.

Earthquake Insights / News Notes

M 6.0 offshore Tanzania

  Earthquakes are not uncommon in the East African Rift Zone, often originating, as in the case of today’s M6.0 offshore Tanzania, on a secondary branch of the rift. Shaking …

Earthquake Insights / News Notes

Salton Sea swarm continues

  Some 26 hours after the M 4.6, the Bombay Beach seismic swarm continues. But more surprising is that much of the Brawley Seismic Zone, and parts of all the …

Earthquake Insights / News Notes

Swarm-like earthquake event strikes Southern California

  A series of earthquakes have struck in the Salton Sea in Southern California. Events like this have occurred four times in the last 20 years. They are all swarm-like …

Earthquake Insights / Publications / Temblor

Magnitude-5.1 earthquake rattles southeastern U.S.

Yesterday’s magnitude-5.1 quake in western North Carolina was felt throughout the southeastern U.S. Although it came as a shock, a quake of this magnitude is not unexpected.   By John …

Earthquake Insights / News Notes

M 5.1 rattles eastern U.S.

  A M 5.1 earthquake rattled parts of the eastern US today. The quake struck outside of Sparta, North Carolina. Moderate magnitude quakes are not rare in this part of …

Earthquake Insights / Publications / Temblor

Some tectonic plates ‘wobble’ before major earthquakes

Scientists are getting new clues about seismic activity before large earthquakes along subduction zones by measuring tectonic wobbles in Japan and Chile.   By Chelsea Scott, Ph.D., Assistant Research Scientist, …

Earthquake Insights / News Notes

M 5.1 aftershock in Puerto Rico

  Aftershocks continue off the southern shore of Puerto Rico following a M6.4 quake in January of this year. Today, a M5.1 quake struck offshore, in an area that has …

Earthquake Insights / News Notes

Honshu quake swarm continues

  A M5.4 quake struck off shore Japan yesterday. This quake is part of a continuing swarm of M5.0+ shocks along Honshu that began earlier this year, extending from Tokyo …

Earthquake Insights / Publications / Temblor

Fault geometry plays a role in San Andreas ruptures

Computer simulations help researchers understand the range of possible outcomes of a rupture when key details of the San Andreas Fault are still unknown.   By: Shi En Kim (@goes_by_kim) …

Earthquake Insights / Publications / Temblor

Does Alaska’s magnitude-7.8 Simeonof earthquake finally close a seismic gap?

A magnitude-7.8 quake struck near the mostly uninhabited Shumagin Islands on July 22, 2020, potentially closing a large seismic gap along the Aleutian trench.   By Elisabeth Nadin, Associate Professor, …

Earthquake Insights / News Notes

M 4.2 in San Fernando

  Today’s M 4.2 quake likely struck on a ‘tear fault’ that connects portions of the 1971 San Fernando earthquake rupture. Today’s event is strike-slip, whereas the 1971 event was …

This SEM image shows hydrated oceanic crust that was deformed at about 370 degrees Celsius with 6 kilobars of pressure in a plate interface shear zone. Credit: Tulley et al., Science Advances (2020).
Earthquake Insights / Publications / Temblor

Hydrated oceanic crust supports benign plate movement at subduction zones

New research suggests that water-rich rocks present along subduction zone boundaries may cause these areas to ‘creep’ along without generating earthquakes.   By Melanie Chan, @mellojellochan   Citation: Chan, M. …

Earthquake Insights / News Notes

M 7.8 Aleutian Islands quake

  A M 7.8 quake shook the Aleutian Islands this morning. The Alaska earthquake likely occurred along the subduction interface. The Aleutian arc is no stranger to large quakes, having …

Earthquake Insights / News Notes

M 4.2 in Central Visayas, Philippines

  A shallow M 4.2 quake shook Cebu City, Central Visayas on July 17th. The region is at elevated risk of strong shaking, according to Temblor’s models. The M 7.1 …

The magnitude-6.0 quake produced a remarkably linear surface rupture. Credit: Dan Clark, Commonwealth of Australia (Geoscience Australia)
Earthquake Insights / Publications / Temblor

Ancient rock structures guided rupture pathway in Australian quake

A recent study finds that ancient rock structures in Australia that formed over 500 million years ago determined the pathway of a 2016 earthquake.   By Helen Santoro, freelance science …

The greater Los Angeles area lies near the San Andreas Fault.
Earthquake Insights / Publications / Temblor

Ridgecrest earthquakes could cause a San Andreas chain reaction

The 2019 Ridgecrest quakes stressed the Garlock Fault. If it ruptured in a large shock, it would likely trigger a San Andreas earthquake north of Los Angeles.   By Ross …

Earthquake Insights / News Notes

M 5.1 quake in Venezuela

  A shallow magnitude-5.1 earthquake struck the Boconó Fault in Venezuela today, and was felt as far away as Caracas. This right-lateral transform fault ruptured in large, damaging earthquakes 6 …

Earthquake Insights / News Notes

Earthquake swarm in central Idaho

  A swarm of earthquakes has shaken central Idaho over the past month, with two M4.0 quakes striking in the past 24 hours. This region has seen large quakes in …

Earthquake Insights / News Notes

M 5.1 quake in NE Colombia

  A M 5.1 quake struck NE Colombia tonight. This quake is likely another event in the “Bucaramanga nest,” one of the highest concentrations of intermediate depth seismicity in the …

With the MyShake app, scientists are developing a global Early Earthquake Warning system using cell phone data. Credit: public domain
Earthquake Insights / Publications / Temblor

Crowdsourcing Earthquake Early Warning Systems

Smartphone usage may provide a global earthquake early warning system through crowdsourced motion detection with the MyShake app.   By Melissa L Weber, M.A., freelance science writer (@Melwriter)   Citation: …

Earthquake Insights / News Notes

M 6.6 quake offshore Java

  A deep M 6.6 quake struck north of Java today. Shaking was felt throughout the island. The quake was deep enough to lie on the megathrust. Although likely unrelated, …

Effects of decreasing subducting plate angle (tan vs. brown) on the overriding tectonic plate (gray). Blue and white balls represent extensional aftershocks in the upper plate after a megathrust rupture event along the solid red line (megathrust). Red dotted lines are inferred normal faults. Blue arrows depict orientation of extensional stress. When subduction angle is decreased, the volcanic arc moves away from the trench. Credit: Oryan and Buck, 2020; Nature Geosciences
Earthquake Insights / Publications / Temblor

Subducting plate angle dictates tsunami threat during large earthquakes

Researchers link subducting plate angle to earthquake events that produce larger than normal tsunamis — helpful information for future tsunami risk awareness.   By: Danielle Woodring, M.S., structural geologist/science writer …

Earthquake Insights / Publications / Temblor

Tree rings and statistics team up to date earthquakes

A recent paleoseismic study used a new method to identify the timing of past earthquakes that occurred in the Monterey Bay area prior to the 1906 San Francisco earthquake.   …

This bird’s eye view of quakes in the subsurface, color-coded by time of occurrence, shows how seismicity has migrated over the duration of the swarm. Credit: Ross et al., Science, 2020, used with permission from the author
Earthquake Insights / Publications / Temblor

Imaging from 22,000 small earthquakes reveals fault zone intricacies

New high-res 3D images of a fault zone show how fluid movement causes an earthquake swarm.   By Julie Pierce Onos (@JuliePierceOnos)   Citation: Pierce Onos, J. 2020, Imaging from …

The recent swarm shocks are shown as stars. Tokyo sits near the junction where three great tectonic plates, the Pacific, Philippine Sea, and Eurasia, meet.
Earthquake Insights / Publications / Temblor

Magnitude-5.9 quake is the latest and largest in Tokyo seismic swarm

Six magnitude-5.0+ shocks have struck greater Tokyo since April 1st, part of a larger swarm that extends north to Hokkaido, at a rate that is about three times higher than …

Foto tomada dos horas después del sismo del 23 de junio de 2020. Se muestra las grietas formadas en la arena de una playa cercana a La Crucecita. A la izquierda se observa la presencia de una laguna, mientras que el mar está a la derecha. Las grietas delimitan el área de la laguna y son el resultado de la filtración del agua en la arena producto del terremoto. Fotografía por: Ericka Alinne Solano.
Earthquake Insights / Publications / Temblor

El temblor de la Crucecita demuestra el riesgo a la ocurrencia de Terremotos en México

Durante esta semana, un terremoto de magnitud 7.4 golpeó la costa del estado de Oaxaca, México. Al igual que eventos previos, este terremoto demuestra la existencia de un complejo sistema …

Cracks in the sand on a beach near La Crucecita taken two hours after the earthquake. A laguna is to the left in the photo and the ocean to the right. The cracks outline the laguna and result from infiltration of water from the laguna due to the earthquake. Credit: Ericka Alinne Solano
Earthquake Insights / Publications / Temblor

La Crucecita earthquake illustrates quake risk in México

A magnitude-7.4 quake struck just offshore of Oaxaca, México this week. This and previous quakes highlight complex faulting and remind us of earthquake risk in the area.   By Aaron …

Earthquake Insights / News Notes

M 5.8 near Lone Pine, CA

  A M 5.8 quake struck today near the southern end of the Owens Valley Fault Zone. Retrospectively, it appears yesterday’s nearby M 4.6 quake was a foreshock. The damaging …

Earthquake Insights / News Notes

Oaxaca shaken by M 7.4 quake

  Today’s M 7.4 megathrust Oaxaca Earthquake was likely promoted by the deeper 2017 M 8.2 Tehauntepec quake. Here is the forecast Temblor submitted to the Willis Research Network in …

Skyscrapers in Connaught Place, one of the major financial centers in New Delhi. Credit: Wikimedia commons
Earthquake Insights / Publications / Temblor

Don’t panic, prepare! Delhi earthquakes remind citizens of risk

By Alka Tripathy-Lang, Ph.D (@DrAlkaTrip)   Delhi’s citizens anxiously await a bigger shock during an ongoing swarm-like earthquake sequence, though swarms rarely include a larger event.   Citation Tripathy-Lang, Alka, …

Earthquake Insights / News Notes

M 5.0 offshore Java

  The Yogyakarta region of Indonesia was shaken by a M 5.0 quake at 2:33 am local time. The deep quake struck ~75 km offshore. Parts of Java is at …

Earthquake Insights / News Notes

M 4.2 near Perry, Oklahoma

  A M 4.2 quake hit near Perry, Oklahoma last night. This is not unexpected in this region. Oklahoma has experienced several M 4+ earthquakes per year, including a M …

Earthquake Insights

Temblor Stands with Black Lives Matter

By Ross S. Stein and Volkan Sevilgen   Temblor was founded on the principle that everyone, everywhere, should be able to learn their seismic risk. For the safety and financial …

Earthquake Insights / Publications / Temblor

Magnitude-5.9 quake strikes the eastern end of the North Anatolian Fault

By: Haluk Eyidoğan, Ph.D., Professor of Seismology, Istanbul Technical University   A moderate earthquake struck the Bingöl province in eastern Turkey on Sunday. The quake occurred at the intersection between …

Earthquake Insights / News Notes

M 5.9 quake in eastern Turkey

  A M 5.9 quake struck eastern Turkey today. The quake occurred near the intersection of the Eastern and Northern Anatolian Faults. A M 6.8 quake occurred nearby in 1949, …

Earthquake Insights / News Notes

M 5.2 in western India

  A M 5.2 quake struck in western India today. The quake appears to be a late aftershock of the M 7.7 Gujarat (Bhuj) earthquake in 2001. This aftershock is …

Estimated peak ground velocities (PGV) in the Puget Sound region from a magnitude-9.0 earthquake on the Cascadia subduction zone. Results represent the average peak ground velocity from thirty possible rupture scenarios. Data from Frankel et al., 2018, and Wirth et al., 2018.
Earthquake Insights / Publications / Temblor

Five Puget Sound cities likely to feel strong shaking in a megaquake

By: Ian Stone, Ph.D. candidate, University of Washington (@NoisyRocks)   Cascadia has experienced major earthquakes in the past. Should another occur today, the region’s cities would feel intense shaking — …

An example of a warning issued by ShakeAlert. Credit: Erin R. Burkett, Douglas D. Given, and Lucile M. Jones; public domain.
Earthquake Insights / Publications / Temblor

Challenges of earthquake early warning

By: Miguel Neves, Ph.D. Candidate, Georgia Institute of Technology (@Waves2Miguel)   A new study examines the challenges of earthquake early warning systems, such as latency, and how to improve the …

Earthquake Insights / News Notes

M 5.2 in Elâzığ, Turkey

  A M 5.2 aftershock struck the Elâzığ region in Eastern Turkey today. The region experienced a damaging M 6.8 quake in January. Today’s quake is just one of several …

Earthquake Insights / News Notes

M 5.5 Ridgecrest aftershock

  Today, the largest aftershock of the 2019 M7.1 Ridgecrest sequence since July 6 struck at the south end of the rupture zone. It’s likely a right-lateral strike-slip earthquake, perhaps …

Earthquake Insights / News Notes

Apparent earthquake swarm in Delhi area

  An apparent seismic swarm is in progress near Delhi. The quakes are not occurring on any known fault, and depths are uncertain. Swarms like this are not typically followed …

Earthquake Insights / News Notes

Deep M 6.8 quake ENE of Antofagasta

  An ~90km deep M6.8 quake struck in Chile today. It seems to have originated on the slab interface, according to the USGS Slab2 model. But, the focal mechanism is …

Earthquake Insights / News Notes

M 4.7 quake strikes offshore Haiti

  A shallow M 4.7 quake struck today on the Septentrional Fault off Cap-Hatien in northern Haiti. Though small, two great quakes likely ruptured the fault in 1842 and 1887. …

Earthquake Insights / News Notes

M 4.6 earthquake near New Delhi

  A M 4.6 quake struck northwest of India’s capital, New Delhi today. The region experienced a widely felt M 3.8 in April. Today’s shock occurred beneath the Delhi-Hardwar ridge, …

The fiber-optic loop beneath Stanford University. Image Credit: Stamen Design and the Victoria & Albert Museum (CC BY 4.0)
Earthquake Insights / Publications / Temblor

Fiber-optic cables help track soil properties, liquefaction potential

By: Shi En Kim (@goes_by_kim)   Researchers repurpose underground fiber-optic cables for measuring soil properties in urban areas, which helps scientists determine how the soils — and thus the buildings …

Earthquake Insights / News Notes

M 5.6 quake and 5.0 aftershock strike New Zealand

Two large earthquakes struck offshore New Zealand over the weekend. The region hosts a number of large faults capable of generating major quakes. The South Island is transected by the …

The M 6.5 event appears to includes a main left-lateral rupture on an E-W fault, and a secondary right-lateral rupture on a N-S Fault.
Earthquake Insights / News Notes

M6.5 Tonopah event ruptured two faults

The M 6.5 Tonopah event appears to include a main left-lateral rupture on an E-W fault, and a secondary right-lateral rupture on a N-S Fault. This type of sequence, termed …

M 5.0 quake in Philippines
Earthquake Insights / News Notes

M5.0 quake in the Philippines

A M5.0 quake struck just off the eastern coast of Luzon in the Philippines at a depth of approx 48 km according to the USGS. The region lies wedged between …

Earthquake Insights / News Notes

M 4.8 quake rattles Santiago

  A widely-felt magnitude-4.8 earthquake ruptured at the southern edge of Santiago today.     The event likely struck on the megathrust that lies 90 km beneath Santiago.     …

It is beginning to appear to us that a 20-25 km long left-lateral strike-slip fault, perhaps fully unmapped before the earthquake, is responsible for the 15 May rupture. There is just one notable scarp along this entire trend, suggesting it is a young fault.
Earthquake Insights / News Notes

Tonopah quake likely occurred on left-lateral fault

It is beginning to appear that a 20-25 km long left-lateral strike-slip fault, perhaps fully unmapped before the earthquake, is responsible for the 15 May rupture. There is just one …

Earthquake Insights / Publications / Temblor

Implications of the Tonopah magnitude-6.5 earthquake for worldwide seismic hazard assessment

By: Ross S. Stein, Ph.D. (Temblor, Inc., CEO) Shinji Toda, Ph.D. (International Research Institute for Disaster Science, Tohoku University) Volkan Sevilgen, M.Sc. (Temblor, Inc., CTO)   The magnitude-6.5 quake provides …

Map of the southern section of the Walker Lane Belt around surrounding regions showing the the past 30 days of earthquake activity. The three stars indicate important quakes—the July 2019 Ridgecrest magnitude-6.4 foreshock, the July 2019 Ridgecrest magnitude-7.1 mainshock, and the Tonopah magnitude-6.5 event of May 15, 2020. Stars are scaled to correspond with magnitude. Credit: Temblor
Earthquake Insights / Publications / Temblor

Magnitude-6.5 earthquake rattles Nevada and California

By Alka Tripathy-Lang, Ph.D (@DrAlkaTrip)   A shallow earthquake struck near the California-Nevada border in the early morning hours on May 15, 2020, waking people as far away as the …

14 May M 6.5 Nevada quake
Earthquake Insights / News Notes

Strong Nevada earthquake felt in San Francisco Bay Area, Bakersfield and Las Vegas

A magnitude-6.5 quake struck a remote part of Nevada today, but was felt in the San Francisco Bay area, Bakersfield, and Las Vegas. Based on its aftershocks and focal mechanism, the event probably struck on an unnamed left-lateral fault, or perhaps the Emigrant Peak Fault.

Photo of surface deformation caused by the Ridgecrest earthquake sequence in July 2019. Credit: USGS
Earthquake Insights / Publications / Temblor

Seismic hazard increased following 2019 Ridgecrest event

By: Christian Fogerty, Science Writer (@ChristianFoger1)   Seismologists used a recently developed model to forecast aftershocks following the recent Ridgecrest earthquake sequence. Their findings revealed a short-term increase in seismic …

Yesterday’s M5.8 is the latest in a series of M5+ quakes to rattle Greater Tokyo since the beginning of the year.
Earthquake Insights / News Notes

Earthquake swarm underway beneath Greater Tokyo

Yesterday’s M5.8 is the latest in a series of M5+ quakes to rattle greater #Tokyo since the beginning of the year. The long-term rate of M5+ quakes within 100 km …

Three widely felt earthquakes shook the Philippines today, but it’s unclear if they triggered each other.
Earthquake Insights / News Notes

M 5.3 quake in Philippines

Three widely felt earthquakes shook the Philippines today, but it’s unclear if they triggered each other. They appear to have struck on the twin subduction zones that formed the islands. …

Another quake struck beneath the Tokyo metro region just after 10 pm local time on May 4th. This quake, a M 5.6 rattled residents throughout the region.
Earthquake Insights / News Notes

M 5.6 quake in Japan

Another quake struck beneath the Tokyo metro region just after 10 pm local time on May 4th. This quake, a M 5.6, is the latest in a swarm that has …

A M 3.3 quake rattled parts of the northern Los Angeles metro area last night. The region is at risk of strong shaking, according to Temblor’s models. Los Angeles has hosted a number of strong historic quakes on the various faults that cross the landscape.
Earthquake Insights / News Notes

M 3.3 in Los Angeles Metro

A M 3.3 quake rattled parts of the northern Los Angeles metro area last night. The region is at risk of strong shaking, according to Temblor’s models. Los Angeles has …

A series of M 4+ aftershocks struck this morning off shore of Puerto Rico, south of Ponce, with the largest being a M 5.3. These quakes follow the M 6.4 mainshock on January 7, 2020.
Earthquake Insights / News Notes

M 5.3 offshore Puerto Rico

A series of M 4+ aftershocks struck this morning off shore of Puerto Rico, south of Ponce, with the largest being a M 5.3. These quakes follow the M 6.4 …

Today's magnitude-6.6 was far enough offshore to cause no damage. But this thrust event likely struck on or just above the Hellenic Arc megathrust zone, which ruptured in AD 365 in a magnitude-8 event that caused widespread destruction and a tsunami, hurling ships 3 km inland.
Earthquake Insights / News Notes

M 6.6 earthquake offshore Crete

Today’s magnitude-6.6 was far enough offshore to cause no damage. But this thrust event likely struck on or just above the Hellenic Arc megathrust zone, which ruptured in AD 365 …

Worldview satellite image collected May 28, 2017, showing the initial development of an ash plume shooting 40,000 feet (12 kilometers) skyward during the 2016-2017 eruption at Bogoslof. This image was captured just after the plume rose above the atmospheric freezing level of water, and 2 minutes before production of detectable lightning. The white color toward the top of the column indicates a large amount of condensed water and ice. This abundant water comes from the ocean under which the vent is submerged. Image provided under a Digital Globe NextView License. Credit: Dave Schneider and the Alaska Volcano Observatory/USGS.
Earthquake Insights / Publications / Temblor

Volcanic lightning helps aviators avoid hazardous ash

By Alka Tripathy-Lang, Ph.D. (@DrAlkaTrip)   A remote Alaskan volcano erupted for nine months, repeatedly disrupting aviation traffic. How can lightning help minimize ash hazards for aircraft?   Citation Tripathy-Lang, …

Posts navigation

Older posts
Newer posts

Recent Articles

  • Earthquake science illuminates landslide behavior
  • Beware quiet segments of the Philippine Fault
  • Destruction and Transformation: Lessons learned from the 2015 Gorkha, Nepal, earthquake
  • Knock, knock, knocking on your door – the Julian earthquake in southern California issues reminder to be prepared
  • A magnitude 6.2 quake strikes the Marmara Fault at site of large historic earthquakes near Istanbul

Write for Temblor

For Journalists and Scientists

Archives

Receive Earthquake News
Keep Updated
Contact Us: help@temblor.net
Copyright © 2019 Temblor.net
We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. By clicking “Accept”, you consent to the use of ALL the cookies.
Do not sell my personal information.
Cookie SettingsAccept
Manage consent

Privacy Overview

This website uses cookies to improve your experience while you navigate through the website. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. We also use third-party cookies that help us analyze and understand how you use this website. These cookies will be stored in your browser only with your consent. You also have the option to opt-out of these cookies. But opting out of some of these cookies may affect your browsing experience.
Necessary
Always Enabled
Necessary cookies are absolutely essential for the website to function properly. These cookies ensure basic functionalities and security features of the website, anonymously.
CookieDurationDescription
cookielawinfo-checkbox-analytics11 monthsThis cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Analytics".
cookielawinfo-checkbox-functional11 monthsThe cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional".
cookielawinfo-checkbox-necessary11 monthsThis cookie is set by GDPR Cookie Consent plugin. The cookies is used to store the user consent for the cookies in the category "Necessary".
cookielawinfo-checkbox-others11 monthsThis cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Other.
cookielawinfo-checkbox-performance11 monthsThis cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Performance".
cookielawinfo-checkbox-performance11 monthsThis cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Performance".
viewed_cookie_policy11 monthsThe cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. It does not store any personal data.
Functional
Functional cookies help to perform certain functionalities like sharing the content of the website on social media platforms, collect feedbacks, and other third-party features.
Performance
Performance cookies are used to understand and analyze the key performance indexes of the website which helps in delivering a better user experience for the visitors.
Analytics
Analytical cookies are used to understand how visitors interact with the website. These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc.
Advertisement
Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. These cookies track visitors across websites and collect information to provide customized ads.
Others
Other uncategorized cookies are those that are being analyzed and have not been classified into a category as yet.
SAVE & ACCEPT