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, …
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 …
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. …
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 …
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 …
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 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 …
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 …
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 …
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 …
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: …
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, …
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 …
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. …
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 …
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 …
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 …
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 …
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 …
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 …
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, …
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 …
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 …
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 …
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 …
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, …
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 …
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 — …
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 …
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 …
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 …
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 …
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 …
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. …
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, …
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 …
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 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 …
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 …
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 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 …
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 …
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 …
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.
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. 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. 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, 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 …
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 …
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, …
A M 5.0 earthquake occurred today near the town of Padangsidempuan, Indonesia. Sumatra is transected by the right-lateral Sumatran fault system. Today’s quake occurred within a tectonically complex region …
By: Ramesh P. Singh, Ph.D., School of Life and Environmental Sciences, Chapman University Efficient energy transfer from the epicenter of Sunday’s magnitude-3.8 quake northeast of New Delhi, along with …
By Tiegan Hobbs, Ph.D., Postdoctoral Seismic Risk Scientist, Temblor (@THobbsGeo) Sam Montano, professor of emergency management and disaster science, talks about COVID19 and what recovery might look like. Citation: Hobbs, …
By: Jacob B. Lowenstern, Ph.D. and John W. Ewert, U.S. Geological Survey Cascades Volcano Observatory Volcano observatories are a critical tool for governments to reduce the impacts of volcanic …
By: Deborah Kilb, Ph.D., Project Scientist, Scripps Institution of Oceanography (@Kinect_with_Sci), and Frank Vernon, Ph.D., Researcher, Scripps Institution of Oceanography Over the last 20 years, the Anza area has …
英文链接 英文作者：John C. Mutter博士 哥伦比亚大学地球与环境科学教授以及国际与公共事务教授 英文发表时间：2020年4月1日 翻译：google translate (谷歌翻译) 后期修改: 彭志刚（Zhigang Peng）博士 佐治亚理工地球与大气系教授 考虑到地球自然灾害的发生频率，以及冠状病毒大流行的持续时间，我们几乎无法避免它们同时发生。试想，当某地的疫情已经失控时，突然又发生一次大地震或者大风暴，这时我们该怎么办呢？ 英文引用 ：Mutter, J.C., (2020), What if? What if a natural disaster strikes amid a …
By Laura Fattaruso, M.S., Ph.D. Candidate, UMass Amherst (@labtalk_laura) A recent study finds that ground motions from earthquakes induced by oil and gas operations are similar to those produced …
By John C. Mutter, Ph.D., Professor of Earth & Environmental Sciences and Professor of International & Public Affairs, Columbia University Given the timescales of the Earth’s natural spasms, and …
By Tiegan Hobbs, Ph.D., Postdoctoral Seismic Risk Scientist, Temblor (@THobbsGeo) Shinji Toda, Ph.D., IRIDeS, Tohoku University A magnitude 6.5 earthquake hit a remote region of Idaho on March 31. Despite …
by John C. Mutter, Ph.D., Professor of Earth & Environmental Sciences and Professor of International & Public Affairs, Columbia University After a catastrophe, whether earthquake or pandemic or anything …
By Alka Tripathy-Lang, Ph.D. (@DrAlkaTrip) The latest modeling shows that the interface between India and Eurasia may be segmented into pieces that can host earthquakes, and pieces that cannot. …
By Tiegan Hobbs, Ph.D., Postdoctoral Seismic Risk Scientist, Temblor (@THobbsGeo) As residents prepared for a pandemic, a magnitude-5.7 quake shook Salt Lake City, causing a chemical spill in the nearby …
By Noel Bartlow, Ph.D., Assistant Researcher, Berkeley Seismology Laboratory The Cascadia Subduction Zone has occasional large earthquakes and frequent slow-slip events. A new study quantifies how these slow-slip events …
By Alka Tripathy-Lang, Ph.D. (@DrAlkaTrip) Temblor talks to scientists Alexa van Eaton and Chris Schultz about the science behind bursts of lightning that lit up social media during Taal’s …
By Tiegan Hobbs, Ph.D., Postdoctoral Seismic Risk Scientist, Temblor (@THobbsGeo) After a year of operating, the largest marsquakes recorded by NASA’s InSight Lander are associated with a nearby volcanic province: …
By Elisabeth Nadin, Ph.D., Associate Professor, University of Alaska Fairbanks, U.S. Haluk Eyidoğan, Ph.D., Professor of Seismology, Istanbul Technical University, Turkey Ali Moradi, Ph.D., Director of Iranian Seismological Center and …
By Laura Fattaruso, M.S., Ph.D. Candidate, UMass Amherst (@labtalk_laura) A new study uses organic biomarkers to detect heat produced during large earthquakes. Scientists found several faults off the coast …
By Douglas Toomey, Ph.D., Professor, University of Oregon Despite full knowledge of the risks the Cascadia Subduction Zone poses, Oregon’s legislature has been unable to fund hazard mitigation activities. …
![In the San Francisco Bay Area, the Bay Area Rapid Transport System, or BART, will automatically brake its trains when an earthquake is detected, according to the Incorporated Research Institutions for Seismology (IRIS). Photo Credit: Pi.1415926535 [CC BY-SA 3.0]](https://static.temblor.net/wp-content/uploads/2020/02/BART-300x150.jpg)
By Elisabeth Nadin, Ph.D., Associate Professor, University of Alaska Fairbanks New research reveals that Earthquake Early Warning networks provide a timely warning of impending shaking more often than not. …
Haluk Eyidoğan, Ph.D., Professor of Seismology, Istanbul Technical University Tiegan Hobbs, Ph.D., Postdoctoral Seismic Risk Scientist, Temblor (@THobbsGeo) A destructive magnitude-6.8 earthquake in Turkey leaves thousands homeless. Preceded by foreshocks …
By Tiegan E. Hobbs, Ph.D., Postdoctoral Seismic Risk Scientist, Temblor (@THobbsGeo) A large earthquake in the Caribbean Sea, unrelated to the recent Puerto Rico earthquake, caused sinkholes and liquefaction. Despite …
By Alberto M López, Ph.D., K. Stephen Hughes, Ph.D. and Thomas R. Hudgins, Department of Geology, University of Puerto Rico – Mayaguez Campus Elizabeth Vanacore, Ph.D. and Gisela Báez-Sánchez, B.S., …
By Alka Tripathy-Lang, Ph.D. (@DrAlkaTrip) Since Taal began erupting last week, satellite images show surface movement around the volcano. Such rainbow imagery has flummoxed Twitter users. Citation: Alka …
By Alka Tripathy-Lang, Ph.D. (@DrAlkaTrip) Ang Taal Volcano, na kilala sa nakamamanghang crater lake, ay biglang sumabog noong Linggo, Enero 12, 2020, napilitang lumikas ang mga kalapit na nayon. …
Taal Volcano, known for its picturesque crater lake, erupted suddenly on Sunday, Jan. 12, 2020, forcing evacuations of nearby villages.
By Alka Tripathy-Lang, Ph.D. (@DrAlkaTrip) Urbanization obscures a complex fault zone on which downtown San Diego sits, but decades-old geotechnical studies reveal the faults. Citation: Alka Tripathy-Lang (2020), …
Alberto M. López, K. Stephen Hughes, and Elizabeth Vanacore Department of Geology, University of Puerto Rico – Mayagüez Puerto Rico Seismic Network, University of Puerto Rico – Mayagüez Citation: López, …
Alberto M. López, K. Stephen Hughes, and Elizabeth Vanacore Department of Geology, University of Puerto Rico – Mayagüez Puerto Rico Seismic Network, University of Puerto Rico – Mayagüez Citation: López, …
By Alka Tripathy-Lang, Ph.D. (@DrAlkaTrip) On Wednesday night, two small earthquakes welcomed California into the next decade. Citation: Alka Tripathy-Lang (2020), New year, new California quakes, Temblor, http://doi.org/10.32858/temblor.063 …
By Ross S. Stein, Ph.D., Temblor CEO Citation: Ross S. Stein (2019), Triumphs, Conundrums, and Debates in Earthquake Forecasting and Seismic Hazards, Temblor, http://doi.org/10.32858/temblor.062 At the American Geophysical …
Por Albert Leonardo Aguilar Suarez, Ph.D. candidate, Stanford University, y Ross S. Stein, Ph.D., Temblor, Inc. Evacuaciones en Bogotá y la suspensión de sistemas de transporte siguieron al sismo …
Evacuations in Bogotá and the suspension of transportation systems followed a magnitude-6.2 earthquake, which struck on or near where the North Andean Block grinds against South American Plate. The mainshock was followed just 15 minutes later by a magnitude-5.7 aftershock. Further large aftershocks remain a possibility
Aiming to make energy production safer, scientists developed a new model for forecasting earthquakes caused by oil and gas operations in the central U.S.
By Alka Tripathy-Lang, Ph.D. (@DrAlkaTrip) Nitong nagdaang dalawang buwan, apat na lindol sa pagitan ng magnitude-6.4 hanggang -6.8 ang nanalasa sa timog-kanluran ng Mt. Apo, isang tahimik na stratovolcano …
By Alka Tripathy-Lang, Ph.D. (@DrAlkaTrip) In the past two months, four quakes between magnitude-6.4 to -6.8 ruptured southwest of Mount Apo, a quiet stratovolcano near Davao City, in the …
by Jennifer Schmidt, Ph.D. (@DrJenGEO) Researchers used seismic signals from 8,000 earthquakes after the Gorkha quake in 2015 to image the fault structure beneath Nepal. They found a system of …
As of today, some 24 people are dead and 650 injured, and many more are unaccounted for in collapsed concrete buildings on the coastal plains surrounding the epicenter. The quake likely struck on a ‘blind thrust fault’ that does not reach the Earth’s surface but had nevertheless been previously identified by geologists.
Realtime aftershock statistics may be able to identify whether an even larger event is likely to follow, the authors of a new study argue. Additional prospective testing and more strategic public communication will be needed prior to deployment
Warnings were issued for the magnitude-4.5 and magnitude-4.7 quakes 5-6 seconds after they ruptured via ShakeAlert, and alerts reached beta testers of the MyShake app about 2 seconds later. While important progress, these intrinsic delays mean that those who experienced strong shaking received no warning. Alert delays may be longer as the number of alert recipients grows.
The recent acquittal of the TEPCO executives in the Fukushima power plant tragedy hearkens back to the trial of the Italian seismologists who were charged with negligence after the L’Aquila, Italy, earthquakes. Both events raise the question: How much do you prepare for the most dreadful disasters, which result from truly large or rare paroxysms of the Earth?
A 2018 study published in Nature by Phoebe DeVries and her colleagues at Harvard and Google claimed that Deep Learning was able to predict the locations of aftershocks with accuracies far greater than Coulomb stress transfer could achieve
Tiegan Hobbs, Ph.D., Postdoctoral Seismic Risk Scientist, Temblor @THobbsGeo Across the planet, people dropped under their tables at 10:17am on 10/17 to practice what to do in the event of …
17 Oct 2019 marks the 30th anniversary of the Loma Prieta earthquake, the Bay Area “wake-up call” that revealed our weaknesses and catalyzed our preparation. But the quake has been …
Another earthquake with magnitude greater than 4 has struck California in less than a day. It occurred on a portion of the San Andreas Fault which is relatively quiet, but …
Last night, nearly everyone in the greater Bay area was awakened at 10:30 pm by a Magnitude 4.5 shock near the town of Pleasant Hill, north of Walnut Creek
A new comprehensive study of almost 100,000 earthquakes in Japan suggest that large or small, quakes look alike in the first 0.2 seconds
One hospital, four schools, and nine administrative buildings are severely damaged. Some 29 schools of various degrees of damage were forced to close, at least temporarily.
Based on the M 5.7 aftershocks thus far, there is a 3% chance that it could trigger a magnitude-6.5 or larger shock in the next year. The M 5.7 also brought a portion of the Marmara Fault significantly closer to failure.
