Research Articles
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 …
How close is Iceland’s Grindavík to a volcanic eruption? Read the latest developments here. By Melissa Scruggs, Ph.D., Science Writer (@VolcanoDoc) Citation: Scruggs, Melissa A., 2023, Iceland’s ground …
The recent quadruplet of earthquakes that have rocked Herat, Afghanistan, bring an important question to the fore: how can traditional earthen buildings be strengthened to withstand shaking? By Alice …
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 …
If you’re considering a seismic retrofit, Janiele Maffei, the executive director of the California Residential Mitigation Program, has some advice. By Fionna M. D. Samuels, Ph.D., Optimum Seismic Fellow …
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., …
Meteorological data suggest that simultaneous heavy rainfall from Hurricane Hilary and an earthquake in Ojai, California, were coincidences. By Qiushi Zhai (Caltech Seismological Laboratory, qzhai@caltech.edu), Zhigang Peng (School of …
El devastador terremoto que sacudió Marruecos el 8 de septiembre de 2023 cobro la vida de miles de personas. Si bien no fue un evento sin precedentes, tuvo lugar en …
Le tremblement de terre dévastateur qui a frappé le Maroc le 8 septembre 2023 a tué des milliers de personnes. Il n’était pas sans précédent, bien qu’il se soit produit …
The devastating earthquake that struck Morocco on September 8, 2023 killed thousands of people. It was not unprecedented, although it did occur in a less seismically active zone than other …
Researchers at the University at Buffalo put a retrofitted brick-and-mortar building to the test. Though the building stood up to the “earthquakes” it’s designed for, stronger shaking caused bricks to …
On Sunday, a magnitude-5.1 earthquake struck about 7 kilometers (4.3 miles) southeast of Ojai, Calif., likely due to a small, as-yet unidentified fault near the San Cayetano Fault. The confluence …
As Hurricane Hilary lashes the southwestern U.S., some may wonder if an earthquake could result. Not likely, scientists say. By Alice R. Turner, Ph.D., Simpson Strong-Tie Fellow (@SeismoAlice) …
Ayer, una serie de sismos, comenzando con un evento de magnitud 6,1, sacudió Bogotá, la capital de Colombia, y otras ciudades a lo largo de la Cordillera Oriental. By …
Yesterday, a series of earthquakes, starting with a magnitude-6.1 event, shook Colombia’s capital city of Bogotá and other cities along the Eastern Cordillera. By Albert Leonardo Aguilar Suarez, Ph.D. …
A new study suggests a warning sign may be available two hours before an earthquake strikes. An independent analysis suggests otherwise, and underscores the importance of rapid, open exchange of …
Natural hazards that become disasters produce literal tons of debris that need to be quickly cleaned up. However, very few countries consider disaster waste cleanup to be a critical service …
Oregon is susceptible to shaking from both shallow crustal earthquakes and large-magnitude subduction zone shocks. In either scenario, the population of Portland would be at risk. By Alice R. …
Global satellite navigation systems (GNSS) can be used to help quickly characterize damaging earthquakes when seismic sensors aren’t available, according to new research. GNSS data especially help in areas where …
A new method utilizes online testimonies collected after earthquakes to classify events as high or low impact in the immediate aftermath. The approach may provide emergency responders with valuable information, …
Join Temblor co-founders Ross S. Stein, Ph.D., and Volkan Sevilgen, M.Sc., as they discuss the Feb. 2023 Turkey earthquakes from the perspective of California’s future seismicity. Registration required. …
A new report released in April estimates annual earthquake losses in the U.S. of $14.7 billion — a 140 percent increase over the previous estimate of $6.1 billion per year. …
Along with social and economic losses, large-scale natural disasters often have adverse effects on the mental, cognitive and functional health of those who survive them. A new study looks at …
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) …
Researchers are redefining structural resilience this month by testing the first 10-story TallWood building made of mass timber and rocking walls on the University of California San Diego’s shake table. …
Like climate change, earthquake hazards disproportionately impact poor and developing nations, which makes it imperative for a global organization such as the United Nations to create a parallel treaty for …
A memorial to David D. Jackson, who leaves behind an influential body of work and an outstanding cohort of former students and collaborators across the globe. By Ross S. …
Indonesian scientists fulfill the need for earthquake education on islands replete with tectonic-related hazards, starting with North Sulawesi. By Anne Sirait, Geophysics Program, Universitas Indonesia and Seismology Division of …
Hollister and Bay Area residents saw their afternoon interrupted by a magnitude-4.4 temblor on April 4. The event, which occurred after 3 p.m. with an epicenter near Tres Pinos, was …
A magnitude-4.2 earthquake shook Southern California last Friday. The event, with an epicenter 3 miles from Caltech’s Palomar Observatory, was felt widely throughout San Diego and the Los Angeles area. …
Former Los Angeles Mayor Eric Garcetti, who was just confirmed as the next ambassador to India, talks with Temblor about resilience, the importance of neighborhoods and his love of earthquakes. …
Las pólizas de seguro paramétricas realizan los pagos basados en unas reglas preestablecidas, como por ejemplo la magnitud y/o ubicación de un terremoto. Algunos países pueden beneficiarse de los desembolsos …
Parametric insurance policies pay based on pre-agreed thresholds like the magnitude and/or location of an earthquake. Some countries benefit from rapid payouts using this type of insurance. By Mario …
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 …
Researchers found that an ancient, mineral-encrusted landslide was too old to have caused the 1918 tsunami. A nearby fault was to blame instead. By Lauren Milideo, Science Writer (@lwritesscience) …
Scientists developed a new and more accurate model to forecast earthquakes by mimicking the energy release of past earthquakes. By Jeng Hann Chong, PhD Candidate at the University of …
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 …
New findings on Bainbridge Island offer insights into the history and behavior of a complex fault system under Seattle, Washington. By Rebecca Owen, Science Writer (@beccapox) Citation: Owen, …
At 4:17 a.m. on Feb. 6, 2023, a magnitude-7.8 earthquake struck near Pazarcık City in south-central Türkiye, followed by a magnitude-7.5 event about 9 hours later. In this report, scientists …
El segmento Este de la Falla Anatolia en Turquía fue un gigante que despertó el 6 de febrero de 2023, generando un terremoto de Magnitud 7.8, con consecuencias devastadoras. Este …
Sürgü ve Çardak faylarındaki 7.5 büyüklüğündeki depremin, 110 kilometre güneyde meydana gelen Doğu Anadolu Fayındaki 7.8 büyüklüğündeki deprem ile tetiklenmiş olabileceğini erken verilere ve modellere dayalı Coulomb gerilim hesaplamaları göstermektedir. …
Coulomb stress calculations based on preliminary data and models suggest that the magnitude-7.5 shock on the Sürgü and Çardak faults was brought closer to failure by the magnitude-7.8 rupture on …
A powerful magnitude-7.8 earthquake struck southern Turkey, near the Syrian border, followed by a magnitude-7.5 quake nine hours later. Thousands of casualties have been reported, with more expected. By …
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 …
Utah has experienced energetic earthquakes in the past. If a magnitude-7.0 earthquake hits the state, major cities would feel strong shaking and likely experience events triggered by the shock. By …
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, …
A magnitude-6.1 earthquake that shook western Turkey in November struck a region that also shook in August and November 1999. Reports of shaking revealed significant variation in intensity. Why? …
A magnitude-6.4 earthquake struck off the seismically active coast of Northern California, not far from Eureka, on Tuesday, Dec. 20. By Temblor Editorial Team, (@temblor) This is story …
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, …
An October magnitude-6.4 quake succeeded a July magnitude-7.0 earthquake that struck the same region. What do these quakes tell us about the faults involved and whether the second was an …
Scientists drilled deep below the seafloor to see how stress builds within the Nankai megathrust, a major subduction zone off Japan’s southeast coast. By Jay Barber, Science Writer (@JayBarber77) …
After months of heightened earthquake activity, Earth’s largest volcano has erupted for the first time in 38 years. Previous eruptions of Mauna Loa can give scientists some clues as to …
Minggu ini, gempa dengan magnitudo mengguncang Jawa Barat, Indonesia, mengakibatkan getaran dan kehilangan. Oleh Anne Sirait, Ph.D., Program Studi S1 Geofisika, Universitas Indonesia dan anggota Divisi Seismologi Himpunan Ahli …
Aunque septiembre ha tenido algunos sismos importantes en los últimos años, no hay nada especial en este mes. Por Manuel J. Aguilar-Velázquez (@ManuAguilar411), R. Daniel Corona-Fernández (@rdcoronaf), y Miguel …
Though September has seen a few big earthquakes in recent years, there is nothing special about the month. By Manuel J. Aguilar-Velázquez (@ManuAguilar411), R. Daniel Corona-Fernández (@rdcoronaf), and Miguel …
A shallow, moderately sized magnitude-5.6 crustal earthquake rattled West Java, Indonesia, this week, causing shaking and loss. By Anne Sirait, Ph.D., Department of Geophysics, University of Indonesia and a …
Three unrelated magnitude-6-plus earthquakes shook Baja California in three weeks, on three different faults. By Hector Gonzalez-Huizar, Ph.D., Centro de Investigación Científica y de Educación Superior de Ensenada, Baja …
A magnitude-5.6 earthquake ruptured about 10 kilometers below the surface in West Java’s Cianjur region, with shaking felt in Indonesia’s capital city of Jakarta. By Temblor Editorial Team, (@temblor) …
Using machine learning techniques on ten years of seismic data from Oklahoma and Kansas, researchers identified faults that could generate large earthquakes. By Laura Fattaruso, Simpson Strong Tie Fellow …
As climate-related hazards increase in intensity and frequency, communities and insurers can use updated risk maps and models to understand and estimate loss. By Rebecca Owen, Science Writer, @beccapox …
Did you know there’s a mineral that may prevent catastrophic earthquakes and sequester CO2 from Earth’s atmosphere? A new study explores this link. By Melissa Scruggs, PhD, @VolcanoDoc …
Improved estimates of earthquake recurrence interval could account for an apparent earthquake hiatus in California. By Rachel Rochester, Ph.D., Science Writer (@RaRaRhapsody) Citation: Rochester, R., 2022, Some California …
A magnitude-5.1 earthquake struck about 19.8 kilometers (12 miles) southeast of San Jose on Tuesday. The Calaveras Fault is the likely source of this temblor. By Meghomita Das, Palomar …
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 …
Today marks the anniversary of the 1989 Loma Prieta Earthquake. Seismologists remember the event when they were students of the earth sciences. By Alka Tripathy-Lang, Ph.D., science writer (@DrAlkaTrip) …
一個利用人工智慧自動偵測和定位地震的新方法。 該系統成功的定位了臺灣最近的地震，並幫助科學家們追蹤正在進行的地震分布。 作者: 郭陳澔博士、孫維芳、黃俊銘、潘勝彥, 國立臺灣大學 Citation: Kuo-Chen, H., Sun, W., Huang, C., Pan, S., 2022, 近即時地震資料處理有助科學家了解地震特性, Temblor, http://doi.org/10.32858/temblor.276 This article is also available in English. 9 …
A new method of automatically detecting and locating earthquakes utilizes artificial intelligence. The system successfully located recent Taiwan earthquakes and could help scientists monitor ongoing events. By Hao Kuo-Chen, …
這次的地震震動程度比2500年回歸週期預期的還要大。前震可能留下了主震即將來臨的預兆。 陳薇安、詹忠翰 (中央大學地震災害鏈風險評估及管理研究中心) Citation: Chen, W., Chan, C., 2022, Taiwan’s double earthquake appears to have launched a ‘killer pulse’ that toppled buildings, Temblor, http://doi.org/10.32858/temblor.274 This article is …
The shaking from the magnitude-6.8 mainshock was larger than expected in 2500 years. The foreshock may have left a seismic warning that another quake was coming. By Wei-An Chen, …
Some brick buildings weathered the devastating 1886 Charleston earthquake. Their secret was an ingenious structural element borrowed from Greek and Roman construction. By Meghomita Das, Palomar Fellow (@meghomita) …
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. …
El terremoto, que se generó en la costa del Pacifico en México, redistribuyó los esfuerzos en la región. Por Hector Gonzalez-Huizar, Ph.D., Centro de Investigación Científica y de Educación …
The earthquake, which struck along Mexico’s Pacific coast, redistributed stress in the region. By Hector Gonzalez-Huizar, Ph.D., Centro de Investigación Científica y de Educación Superior de Ensenada, Baja California …
On Tuesday, the Bay Area was reminded once again that the faults that dissect the region are active. Local streams record how the region’s faults slowly shape the landscape. …
The quake struck less than an hour after a national earthquake drill. Mexico is prone to strong earthquakes. By Temblor Earthquake News Editors Update Sept 22, 1:49 a.m.: …
Scientists in Oklahoma have unraveled different types of earthquakes that can be hard to see in the squiggles of seismograms that record shaking. By Meghomita Das, Palomar Fellow (@meghomita) …
A segment of the Philippine Fault system is the main suspect for the recent magnitude-7.0 earthquake. But surface ground rupture has not yet been found. Is that the whole story? …
A new report warns that Seattle waterfront and other low-lying areas could be inundated by a tsunami wave within minutes of a Seattle Fault earthquake. By Laura Fattaruso, Simpson …
عوامل متعددی جوامع افغانی را در برابر زلزله ها آسیب پذیر می سازد
هنگامکی یک زلزله به بزرگی ۶.۱ درجه ریشتر در ماه جون افغانستان را تکان داد، آسیب پذیریهای طولانی مدت بشمول موجودیت شکستگیهای فعال منطقوی، ساخت وساز سنتی خانهها و منازل …
ډیری عوامل افغاني ټولنې د زلزلې پر وړاندې زیانمنوي
کله چې د جون په میاشت کې د ریښتر په کچه یوې ۶.۱ درجې زلزلې افغانستان ولړزاوه، اوږدمهاله زیانمنتیاوې لکه د سیمیزو فعالو ماتو (درزونو) شتون، د کورو او استوګنیزو …
When a magnitude-6.1 quake struck Afghanistan in June, long-standing vulnerabilities — including a heavily faulted region, traditional adobe-style construction, and lack of enforceable building codes — were again revealed. …
Just 20 years ago, the discovery of “slow” earthquakes took the field of earthquake hazards by storm. Today, scientists are still hot on the trail for these sneaky quakes. …
After a weekend of intense earthquakes, a spectacular new eruption at Fagradalsfjall volcano in Iceland began Wednesday afternoon. Volcano scientists are keeping a close eye on this eruption, but only …
The Santa Cruz Mountains in Northern California were built slowly over time, new research shows. By Nam Cheah, science writer, Temblor Earthquake News extern Citation: Cheah, N., 2022, …
Three years after InSight’s safe arrival on Mars, the lander picked up several large seismic events on the Red Planet. By Davitia James, Temblor Earthquake News Extern (@davitiaa) …
New research reveals the intensity of British Columbia’s 2020 hazard cascade as members of the Homalco First Nation continue to pick up the pieces. By Lauren A. Koenig, Ph.D., …
A magnitude-5.9 earthquake struck in remote eastern Afghanistan early Wednesday, according to the USGS. The moderate quake caused significant damage to nearby villages. Reports of more than 1,000 fatalities have …
Aftershocks of large earthquakes can be highly destructive. New evidence has emerged of both a shutdown and a persistence of such shocks following megathrust events throughout history. Ross S. …
A new open-source wildfire model could help predict which wildfires will cause the most economic damage across the globe, informing preventative strategies. By Erin Martin-Jones, Ph.D., University of Cambridge …
Scientists imaged hidden fault structures in the Imperial Valley along a canal using techniques typically applied in lakes and oceans. What they found highlights that faults don’t care about human-defined …
To know what happens to a fault during an earthquake, we need to have our eyes on it. A new drilling project gets instruments as close as possible to the …
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 …
Scientists use noise generated by human activities to determine how the subsidence rate of densely populated Mexico City affects its seismic hazard. By Meghomita Das, McGill University (@meghomita) …
Scientists and a Japanese cell phone provider are working together to measure land movements, with an eye toward locating earthquakes. By Melissa Scruggs, Ph.D. (@VolcanoDoc) Citation: Scruggs, M., …
Balloon-mounted sensors can detect clearer sound waves from explosions, volcanic eruptions and earthquakes than the commonly used ground-based sensors. By Elisabeth Nadin, Ph.D., University of Alaska Fairbanks Citation: …
Geologic dating helped researchers uncover evidence of big earthquakes along the central San Andreas Fault. By Jay Barber, science writer (@JayBarber77) Citation: Barber, J, 2022, A quiet section …
Coastal boulders give scientists an idea of past seismicity in a region, which helps them understand the potential for future earthquakes and tsunamis. By Mizael Ramos Ortiz, B.Sc., Temblor …
