Temblor Articles
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, …
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 …
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, …
