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) …
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 …
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 …
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 …
The Magnitude 7.1 earthquake abruptly halted aftershocks on the M 6.4 cross fault. It also produced a far-flung aftershock sequence that touched the San Andreas, but refused to cross the Garlock Fault.
A new image of the ground deformation, a rich and enigmatic foreshock sequence, aftershock trends we can explain, and others that are more elusive. This is also the time see how Temblor app’s hazard forecast for Ridgecrest fared.
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 …
Identifying active fault zones can help scientists determine whether an area is prone to surface rupture; finding features associated with ancient volcanoes may help. By Thystere Matondo Bantidi, Ph.D., …
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 …
A group of social scientists, seismologists and engineers is developing surveys to understand the efficacy of earthquake early warning alerts. By Meghomita Das, Palomar Fellow (@meghomita) Citation: Das, …
Magnitude-6.5 and 6.9 earthquakes struck Taiwan’s seismically active east coast this week. The risk of more shaking is now elevated. By Shinji Toda, Ph.D., IRIDeS, Tohoku University, and Ross …
Aunque sea poco probable que este cause otro gran terremoto en el futuro cercano, aproximadamente una cuarta parte de la superficie de la falla que causó el terremoto de 1985 …
Though unlikely sufficient to trigger another great earthquake soon, about one-quarter of the fault surface that broke in the 1985 earthquake is now closer to failure. By Ross S. …
Some buildings sway more than others in an earthquake. Scientists are exploring how to integrate this variation into Earthquake Early Warning systems. By Jeng Hann Chong, University of New …
Southern California’s commuter rail system pilots a new technology to reduce train speed in advance of earthquake shaking. By Lauren Koenig (@Lauren_A_Koenig) Citation: Koenig, L., 2021, ShakeAlert puts …
Geothermal energy production, considered a clean source of power, might help stabilize an otherwise active fault system. By Meghan Zulian, University of California, Davis, Temblor science writing extern (@MeghanZulian) …
Es muy probable que el terremoto de Haití del 2010 haya acelerado la ocurrencia del terremoto del 14 de agosto del 2021. Múltiples observaciones apuntan hacia una migración sísmica en …
2010 年的海地7.0级地震可能加快了 2021 年 8 月 14 日海地7.2级地震的发生。 一些证据显示海地的地震系列正在向西延伸，但海地东部断层的高应力区仍然存在。 原文作者：Ross Stein (美国Temblor, Inc., California); Shinji Toda 远田晋次 (日本东北大学); Jian Lin 林间 (中科院南海海洋研究所/南方科技大学/美国伍兹霍尔海洋研究所); Volkan Sevilgen (美国Temblor, Inc., California) 中文翻译：郭宗林（中科院南海海洋研究所）；郭来银（南方科技大学）；周志远（中科院南海海洋研究所） …
Le tremblement de terre de 2010 en Haïti a probablement rapproché la faille qui s’est rompue, le 14 août 2021 de sa rupture originale. Certains éléments suggèrent une progression du …
甚大な被害をもたらした2010年のマグニチュード（M）7.0のハイチ地震は2021年８月14日のM7.2地震を促進した可能性が高い．今後も時間差を置いて同様の大地震が２つの震源の西側で起きやすい状況が続くと考えられる．一方で，首都ポルトープランスを含む東側にも伝播した歪みは残っており予断を許さない． By ロス・スタイン（テンブラー社），遠田晋次（東北大学災害科学国際研究所）， ジン・リン（南方科技術大学，ウッズホール海洋研究所）， ボルカン・セビルゲン（テンブラー社） Citation: Stein, R.S., Toda, S., Lin, J., Sevilgen, V., 2021, Are the 2021 and 2010 Haiti earthquakes part of a progressive sequence?, Temblor, …
Haiti’s 2010 earthquake likely brought the fault that ruptured in the Aug. 14, 2021 quake closer to failure. Some elements suggest a westward earthquake progression, but highly stressed sections of …
A new study shows that sensors on high-altitude balloons can detect pressure signals from earthquakes. Could the method be used on Venus? By Jeng Hann Chong, University of New …
On July 8, 2021, a magnitude-6.0 earthquake in the Central Walker Lane fault zone shook California and Nevada. Walker Lane presents some conundrums. By Ian Pierce, Ph.D., currently at …
Less clear is whether the three magnitude-7 quakes in the past 80 days are part of a chain reaction. The sequence has nevertheless left some faults closer to failure, so …
A recent study indicates increased slip rates along the Mission Creek strand of the San Andreas Fault, suggesting a novel configuration of earthquake risk at this latitude. By Ben …
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. …
Researchers used a modeling approach to study the magnitudes of California’s largest historical earthquakes, finding that the 1906 San Francisco quake was magnitude-7.9. By Lauren Milideo, Ph.D., science writer …
We find that the Petrinja earthquake raised the chances of another large, damaging shock nearer to Zagreb by a factor of three, but the probability is still low, at about …
Several buildings in İzmir collapsed during the Oct. 30 earthquake. Code compliance with better assessments of potential ground motion throughout the city would ensure the design of buildings to withstand …
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. …
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 …
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) …
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 …
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 …
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 …
PUSH is the first globally consistent seismic hazard model. Full hazard curves at any return period are available in several key intensity measures corresponding to homes, moderate buildings, and tall …
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 …
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.
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.
Engineers may have found a way to measure displacement between floors of multistory buildings cheaply, accurately and in real-time, paving the way for quick analysis of the stability of critical infrastructure (e.g. hospitals, airports, water treatment plants) in the event of an earthquake.
The 50-km-long rupture has triggered widely dispersed aftershocks. However, almost none of these struck on the faults that the M 7.1 brought closer to failure: The major Garlock Fault; or the Blackwater, Panamint Valley, or Sierra Nevada Faults.
The 50-km-long rupture has triggered widely dispersed aftershocks. However, almost none of these struck on the faults that the M 7.1 brought closer to failure: The major Garlock Fault; or the Blackwater, Panamint Valley, or Sierra Nevada Faults.
The 50-km-long rupture has triggered widely dispersed aftershocks. However, almost none of these struck on the faults that the M 7.1 brought closer to failure: The major Garlock Fault; or the Blackwater, Panamint Valley, or Sierra Nevada Faults.
Ross S. Stein, Ph.D., Tiegan Hobbs, Ph.D., Chris Rollins, Ph.D., Geoffrey Ely, Ph.D., Volkan Sevilgen, M.Sc., and Shinji Toda, Ph.D. The M 6.4 earthquake loaded the site where the …
Tiegan Hobbs, Ph.D., Postdoctoral Seismic Risk Scientist, Temblor (@THobbsGeo) Chris Rollins, Ph.D., Postdoctoral Researcher, Michigan State University Citation: Hobbs, T.E. and Rollins, C., (2019), Earthquake early warning system challenged …
The site of the 4th of July shock was stressed by the great 1872 Owens Valley quake and the 1992 Landers quake. Their overlapping stress lobes may have raised the stakes for this region.
The site of the 4th of July shock was stressed by the great 1872 Owens Valley quake and the 1992 Landers quake. Their overlapping stress lobes may have raised the stakes for this region.
The site of the 4th of July shock was stressed by the great 1872 Owens Valley quake and the 1992 Landers quake. Their overlapping stress lobes may have raised the stakes for this region.
The Mojave Desert was hit by a magnitude 4.3 earthquake at 10:31 this morning (27 December 2015). Even though the epicenter was located in the sparsely populated Southern Californian high …
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