Temblor chats with Gill Jolly, research leader for the Natural Hazards and Risks arm of GNS Science Te Pū Ao, the government agency that conducts geological and geophysical monitoring of …
A new study focused on New Zealand’s capital city considers why some homeowners do not take preventative measures to strengthen their property against earthquakes. By Davitia James, Temblor Earthquake …
A new study of New Zealand’s Alpine Fault reveals details about past earthquakes and the likelihood of a large future rupture. By Fionna M. D. Samuels, Ph.D. Student, Temblor …
A mystifying series of earthquakes that struck north of New Zealand last week may have resulted from a unique form of seismic triggering. By Hector Gonzalez-Huizar, Ph.D., Ensenada Center …
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 2016 New Zealand earthquake broke all our rules
In last month’s M=7.8 Kaikoura, New Zealand earthquake, at least 9 separate faults ruptured in the largest quake in New Zealand since the 1855 M=8.2-8.3 Wairarapa earthquake.
GNS Science just released drone footage of fault rupture along the Kekerengu and Papatea faults.
The 14 November 2016 M=7.8 New Zealand earthquake caused significant damage, and left many people isolated. Images now coming in show the scale of the devastation.
At 12:02 a.m. local time, a Mw=7.8 (per USGS), Mw=7.5 (per GNS Science, NZ) earthquake struck New Zealand’s South Island, and caused tsunami warnings to be issued for all of New Zealand’s east coast.
At 4:37 am Friday morning, a M=7.1 earthquake struck off the east coast of New Zealand, 166 km northeast of Gisborne. This was a moderately deep quake, occurring about 20 km below Earth’s surface, and it caused moderate to strong shaking on land.
Immature faults, such as those in the Eastern California Shear Zone, generate widespread fracturing at the surface during earthquakes. A new displacement model characterizes the hazard posed to infrastructure by …
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 …
The supercomputer simulations attempt to capture the role of ‘fault contagion’ in earthquake sequences, as an update to the official California seismic hazard model
A new model aims to incorporate all hazards posed by subduction zone earthquakes into a single tool.
Big Sur, California faces similar vulnerabilities to Kaikoura, New Zealand, which was devastated in an earthquake last November.
Scientists in New Zealand believe last year’s Kaikoura earthquake may be the most complex fault rupture ever recorded.
Submarine landslides during the November 2016 Kaikoura, New Zealand earthquake wiped out a hotbed of sea life.
Faults spanning Europe, the Middle East, Southeast Asia, Japan, Taiwan, and New Zealand have just been added to Temblor.
Family homes with a room built atop the garage are common across the U.S. In an earthquake, these buildings risk collapse, but they are not currently covered by most local …
Creating an international standard for seismic intensity reports will lead to more accurate earthquake characterization. By Montana Denton, Temblor science writing extern (@montana_denton) Citation: Denton, M., 2023, International …
A new study offers insights, warnings and recommendations for moving forward from the recent devastation that followed the Feb. 2023 Turkey earthquakes. By Rebecca Owen, Science Writer (@beccapox) …
Brought closer to failure by the Feb. 6, 2023, magnitude-7.8 shock, the magnitude-7.5 shock that struck nine hours later caused aftershocks to turn on in some zones and off in …
The quake produced severe shaking in a lightly populated area, brought the southern tip of the Cascadia Subduction Zone slightly closer to failure, and modestly inhibited rupture on the San …
Getting notifications to people in the event of an earthquake is a key component of earthquake early warning systems. Apps like MyShake and companies like Google are leading the way. …
A global survey of large strike-slip earthquakes (greater than magnitude 6.7) reveals that over a 20-year period, 14 percent of such earthquakes sustained supershear rupture speeds. By Laura Fattaruso, …
The element of surprise can make earthquakes on subsurface faults especially dangerous. By Laura Fattaruso, Simpson Strong Tie Fellow (@labtalk_laura) Citation: Fattaruso, L., 2022, Hidden faults pose a …
Archaeological and geological evidence point to 3,800-year-old magnitude-9.5 earthquake and tsunami on the Chilean coast. By Rebecca Owen, Science Writer (@beccapox) Citation: Owen, R., 2022, Ancient Chile quake …
Tonga’s underwater eruption hints at need for more seismic stations near such active, submarine volcanoes located near populated parts of the Pacific. By Lise Retailleau, Ph.D., Observatoire Volcanologique du …
To run, or to drop, cover and hold on. That is the question, argues earthquake geologist and Pacific Northwest resident, Chris Goldfinger. By Chris Goldfinger, Ph.D., Oregon State University …
With the threat of a large earthquake and tsunami looming, the Shoalwater Bay Tribe is constructing the first tsunami tower in North America. By Rebecca Owen, Science Writer (@beccapox) …
Questions remain about the cause of the eruption and subsequent tsunami, which damaged nearby islands in Tonga. By Marie Edmonds, Ph.D., University of Cambridge Citation: Edmonds, M., 2022, …
El 7 de septiembre del 2021 ocurrió un fuerte terremoto cerca de Acapulco, México. El terremoto pudo haber incrementado la posibilidad de que ocurra un gran terremoto en la Brecha …
A new study analyzes what is the best advice to give people when an earthquake strikes. The answer depends on where you are among other things, but for the U.S. …
On September 7, 2021, a strong earthquake struck near Acapulco, Mexico. The earthquake may have increased the likelihood of a larger magnitude earthquake within the Guerrero Seismic Gap. By …
A scientific agency has pled not guilty to charges stemming from the 2019 White Island/Whakaari volcano disaster. Should scientists be held accountable for insufficiently conveying the risk of an impending …
The magnitude-5.9 earthquake reminded residents that Victoria is active — geologically speaking — but identifying the fault responsible is complicated. By Dee Ninis, Ph.D. (@DeeNinis) and Elodie Borleis, B.Sc. …
Using smartphone networks, scientists are testing new low-cost efficient earthquake early warning system for areas with large populations and limited resources. By Meghomita Das, Department of Earth & Planetary …
Scientists surveying the seabed off New Zealand’s east coast have uncovered undersea mountains that help explain mysterious slow-motion earthquakes. By Erin Martin-Jones, Ph.D., Department of Earth Sciences, University of …
Sand dikes formed during ancient earthquakes indicate that Virginia might have experienced an earthquake as large as magnitude 6.5 in the last few millennia. By Laura Fattaruso, M.S., Ph.D. …
Ang pagiging komplikado ng pag-galaw ng lupa sa rehiyon, o ang tinatawag sa ingles na “tectonics”, kung saan naganap ang lindol noong Hulyo 24 ay nagpapaliwanag lamang sa maraming pagyanig …
The magnitude-6.6 earthquake that struck Luzon, Philippines, on July 24 showcases the benefits of citizen science and serves as a wakeup call. Editor’s note: This article was updated on …
Earthquake ‘felt reports’ can help determine where critical resources should be sent after a major quake. But these accounts may be biased toward those who have the means to report. …
A study shows that the most socioeconomically vulnerable communities in California are also most vulnerable to earthquakes; they’re likely to experience the greatest damage. By Olivia Box (@oliviafaybox) …
Researchers used supercomputers to create millennia of simulated earthquakes in Southern California, then studied what hazard these quakes might create. By Lauren Milideo, Ph.D., science writer (@lwritesscience) Citation: …
A recent study shows that seismic hazard analyses can be improved by connecting more faults in an earthquake forecasting model. By Jeng Hann Chong, Cal State University Northridge …
A preliminary analysis shows that the fault that slipped in December’s destructive magnitude-6.4 Petrinja earthquake slipped about 10 feet (three meters). By Athanassios Ganas, National Observatory of Athens, Institute …
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 …
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 …
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 …
Realtime Risk is a ‘live cat’ tool that accounts for aftershocks, progressive mainshocks, and earthquake rate drops. It is available in two formats: The first is gridded values of forecast …
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., …
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
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
Just two days shy of the one-year anniversary of the deadly earthquake and tsunami in Palu, Indonesia, a major earthquake ruptured beneath the nearby island of Maluku on the morning of Thursday, September 26. Local agencies are reporting 20 dead and 2,000 displaced in the wake of this M 6.5 earthquake.
A new model joins two others in confirming the hazard posed by the tectonic forces that are squeezing and shearing greater LA.
La megafalla de cabalgamiento carece de grandes terremotos en la zona de subducción en esta región. ¿Qué nos dicen estos terremotos extensionales?
The megathrust fault lacks large subduction zone earthquakes in this region. What do these extensional earthquakes tell us?
The country’s largest man-made recreational harbor sits on highly-liquefiable soil, which could be avoided in a large earthquake.
CoreLogic estimates that less than 8% of residential losses will be covered by a Hayward Fault earthquake.
What would happen if a M=7.0 Hayward Fault earthquake struck the Bay Area today?
Approximately 11.3% of people have residential earthquake insurance in Washington, only covering 18% of the exposure.
Last night’s M=7.9 earthquake was an unusual outer rise strike-slip event.
Miyamoto International is a global earthquake structural engineering and project management company providing critical services that sustain industries and safeguard communities around the world.
Palert is a highly tested earthquake early warning system
New mapping performed by the California Geological Survey reveals several fault traces in Southern California.
Recent activity at Poás Volcano in Costa Rica is considered “out of the ordinary” by Professor J. Maarten de Moor at the Observatorio Vulcanologico y Sismologico de Costa Rica.
The recent seismic swarm took place beneath the Seattle Fault Zone, which is susceptible to large, damaging earthquake.
A new finding by Janet Watt and her USGS coauthors appeared this month in Science Advances, heralding a “Missing link between the Hayward and Rodgers Creek faults.”
When large earthquakes strike, media outlets flock to the scene to cover devastation. However, we rarely get a glimpse of how areas or people are doing months or even years after an event.
In April, Kumamoto, Japan was devastated by a series of large earthquakes. Now, Google Earth has updated 3D imagery, revealing the extent of damage.
It’s been over four months since we wrote about the powerful Kumamoto quake sequence: The 15 April 2016 Mw=6.2 (Mjma 6.5) Kumamoto, Japan, shock, which was succeeded 28 hours later by the very damaging Mw=7.0 (Mjma 7.3) shock on the same fault system. We can now give you a preview of crucial new discoveries by Japanese and other researchers.
By David Jacobson, Temblor Check if you are in a liquefaction zone in Temblor New satellite imagery reveals sinking Millennium Tower While most high-rise buildings in modern cities are symbols …
Send me Earthquake Insights Volkan and I presented and exhibited Temblor at the National Earthquake Conference in Long Beach last week. Prof. Thomas Jordan, USC University Professor, William M. Keck Foundation …
During intense earthquake shaking, water-saturated sediments can turn into a slurry (liquefaction), causing buildings, cars and other heavy objects lying on top of what were formerly stiff, dry sediments or …
Quake Insight | Feb 22, 2016 Over 5 years since the Canterbury Earthquake Sequence started, the city of Christchurch is still being rattled by large aftershocks. The magnitude 5.7 earthquake, …
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