Coulomb stress calculations and the distribution of aftershocks indicate that the early December magnitude 7.0 earthquake likely stressed the northern tip of the San Andreas, near the end of the …
Analysis of 14 years of earthquake records reveals that these events aren’t seasonal By Esteban J. Chaves, Ph.D., Volcanological and Seismological Observatory of Costa Rica OVSICORI, Universidad Nacional …
To take advantage of the valuable time given by early warnings, hospitals must develop meticulous earthquake response protocols. By Montana Denton, Temblor science writing extern (@montana_denton) Citation: Denton, …
A new system for cataloguing earthquake fatalities suggests that five countries have suffered the greatest loss of life over the past 500 years. By Rebecca Owen, Science Writer (@beccapox) …
New research suggests branch faults serve as on-ramps to major fault superhighways. The key to this phenomenon might be that the branch fault ruptures faster than seismic waves can travel …
As we reflect on the fourth anniversary of the 2020 Masbate earthquake, a coconut tree underscores the significance of short recurrence intervals and precise locations of fault ruptures. By …
The earthquake that struck offshore eastern Mindanao in the southern Philippines on August 3, 2024 resulted from renewed movement of an extinct fracture zone subducting into Earth’s mantle. That movement …
The largest shocks in the Nankai subduction zone range between magnitude 8 and 9 and occur every 100 to 200 years. But, the recent magnitude 7.1 shock occurred in a …
Information gathered during a 2021 marine research expedition offers insight into the possible behavior of the Pacific Northwest’s most enigmatic fault. By Rebecca Owen, Science Writer (@beccapox) Citation: …
Several studies show that constructing safe structures in earthquake-prone regions can be accomplished using sustainable materials that range from mass timber to recycled tires. By Alice Turner, Simpson Strong-Tie …
The Philippine island of Palawan — considered a stable part of the seismically active country — was recently shaken by two earthquakes in two days, highlighting the need to reassess …
Single-family homes in Los Angeles neighborhoods with predominantly Black, Hispanic, and low-income residents have fewer seismic retrofits than in other parts of the city. By Rebecca Owen, Science Writer …
For the first time in Costa Rica, scientists document that earthquakes can communicate with faults, even at a distance of more than a thousand kilometers. By Sonia Hajaji and …
A memorial to Paul Tapponnier, a scientist at all scales. By Yann Klinger, Institut de Physique du Globe, Université de Paris Cité The first time I physically …
Mga lindol na kasalukuyang nagaganap sa silangang Mindanao, siniyasat ng mga siyentipiko mula sa DOST-PHIVOLCS By Deo Carlo E. Llamas, Jeffrey S. Perez, Crystel Jade M. Legaspi, Jonard Jhon …
DOST-PHIVOLCS scientists explore recent seismicity in eastern Mindanao, a southern Philippine island. By Deo Carlo E. Llamas, Jeffrey S. Perez, Crystel Jade M. Legaspi, Jonard Jhon S. Acid, John …
Simulations of underwater earthquakes and landslides in the Ionian Sea found that they could generate tsunami waves as high as 2.5 meters in southern Italy. By Laura Fattaruso, Simpson …
An earthquake was widely felt across the Los Angeles area. We provide a quick summary of what happened. By Temblor Team Members (@temblor) At 1:49 p.m. local time …
A tribute to Thomas C. Hanks, a USGS geophysicist who showed himself to be a generous mentor, as well as a leading scientist. By Wayne Thatcher, U.S. Geological Survey …
For the AGU 2023 Gutenberg Lecture, Lucile Jones discussed how social science research has helped her to better communicate seismic research to the public and legislators. By Fionna M. …
On April 5, residents across a wide swath of New York, New Jersey, and Pennsylvania experienced what may have been their first — and possibly not last — earthquake. …
A magnitude 7.4 earthquake rocked much of Taiwan, causing death and damage. The eastern side of the island, near the epicenter, was especially affected. By Ross S. Stein, Ph.D., …
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 …
After two phases of testing and more than 100 simulated earthquakes, the 10-story TallWood building perched atop the largest shake table in the world remained intact. By Fionna M. …
A new study highlights how predominantly minority neighborhoods in Los Angeles — and especially those with Black populations — will be most affected in the aftermath of a large earthquake. …
Experts reflect on building collapses in the wake of the 2023 Türkiye earthquakes and the importance of earthquake-resilient design in both the U.S. and Türkiye. By Alice Turner, Ph.D., …
A magnitude 7.5 earthquake on the western shores of Honshu, Japan, caused extreme shaking and felled a five-story building on New Year’s Day. The shaking was far more severe than …
After a month of relative quiet, what caused the latest Iceland eruption near Grindavík? Read the latest developments here. By Melissa Scruggs, Ph.D. (@VolcanoDoc) Citation: Scruggs, Melissa A., …
Sa may silangang baybayin ng Isla ng Mindanao sa katimugan ng Pilipinas, malalakas na lindol ang nagmumula bunsod ng labis na aktibidad ng Philippine Trench. Ngunit ang iba’t-ibang fault mechanisms …
Off the eastern shore of Mindanao Island in the southern Philippines, large magnitude earthquakes result from the highly active Philippine Trench. But the varied fault mechanisms of the recent magnitude …
Isang lindol na may lakas na 7.6 na megathrust ang nangyari malapit sa isla ng Mindanao. Matindi ang pagyanig, mayroong maliit na tsunami, at maraming napakalakas na aftershocks ang sumunod. …
A magnitude 7.6 megathrust earthquake occurred near Mindanao Island. Strong shaking, a small tsunami and many very large aftershocks have followed. By Ross S. Stein, Ph.D., Temblor, Inc. and …
Sa nakaraang ilang lingo, dalawang lindol na may Magnitude 6.8 at 7.4 ang tumama sa Mindanao. Ang malakas na pagyanig ay nagdulot ng pagkasira sa mga istruktura, liquefaction, landslides, pagbabago …
Magnitude 6.8 and 7.4 earthquakes struck Mindanao Island in the last couple of weeks. The strong ground shaking caused significant structural damage, liquefaction, landslides, sea-level disturbance and tsunamis. Experts examine …
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) …
