M=5.7 earthquake rattles central Mexico
Because of the remoteness of today’s event, there is no reported damage or injuries.
Slow earthquake precursor observed for first time on a continental fault
Minto Flats, in central Alaska has revealed a phenomenon previously only seen in the laboratory.
Could the recent Japan earthquake trigger a large Osaka quake?
Ruptures on either fault could strongly shake Osaka, a vibrant city of 2.7 million inhabitants.
Today’s deadly Japan earthquake could be related to the 1995 Kobe earthquake
The M=5.9 earthquake resulted in three fatalities and hundreds of injuries.
Was a famous earthquake precursor a phantom?
Debate remains over whether the foreshocks prior to the 1999 Izmit earthquake involved slow slip or not.
Il modello probabilistico di previsione globale dei terremoti supera i test di validazione
Il modello per il “Tasso di attività sismica globale” (GEAR) può essere usato per prevedere dove i terremoti hanno la maggiore probabilità di accadere e con quale magnitudo.
History reveals Marina del Rey’s Achilles heel: Liquefaction
The country’s largest man-made recreational harbor sits on highly-liquefiable soil, which could be avoided in a large earthquake.
Global earthquake forecast passes test
A newly-accepted study shows that our ability to forecast earthquakes appears to be getting better.
Aftershocks can last for centuries
A new study has shown that in slowly-deforming regions, like Eastern North America, aftershocks can last for hundreds of years.
Possibile precursore di mega-terremoti individuato da satelliti che misurano il campo gravitazionale terrestre
Un recente studio ha messo in luce un’anomalia gravimetrica a partire da pochi mesi prima del terremoto di magnitudo 9 di Tohoku.
M=3.5 Hayward Fault earthquake strikes East Bay
Last night’s earthquake struck on the fault most likely to rupture in a large earthquake by 2043, according to the USGS.
A giant precursor to a giant earthquake may have been detected by gravity satellites
A new study, published this month finds a large precursory gravity change over the Japanese archipelago starting a few months before the M=9.0 Tohoku earthquake.
Puede haberse detectado un precursor gigantesco para un terremoto colosal mediante satélites que analizan la gravedad
Un nuevo estudio publicado este mes halló un enorme cambio gravitatorio preliminar a lo largo del Archipiélago Japonés que inició unos pocos meses antes del terremoto de M=9.0 en Tohoku.
San Andreas Fault Zone earthquake rattles Southern California
Today’s earthquake struck in a portion of the San Andreas Fault Zone known as the “San Gorgonio knot.”
Pele, la Diosa Hawaiana del Fuego, los Relámpagos, el Viento y los Volcanes de Hawái
Una oleada de actividad sísmica en la Gran Isla de Hawái está relacionada a la actividad volcánica asociada con el magmatismo de Kïlauea.
Pele, the Hawai’i Goddess of Fire, Lightning, Wind, and Volcanoes
A flurry of earthquake activity on the Big Island of Hawai’i is related to the volcanic activity associated with Kïlauea magmatism.
Large earthquakes could be linked to a newly-imaged fault
New imaging of the Alto Tiberina Fault sheds light on the seismic hazard of the Northern Apennines.
Forti terremoti nell’Appennino potrebbero essere legati ad una faglia ora dettagliatamente osservata
By Angela Stallone (Dottoranda in Geofisica presso l’Istituto Nazionale di Geofisica e Vulcanologia (INGV)), and Giovanni Diaferia (Dottorando in Geofisica presso l’Università di Roma TRE) English Version Una faglia …
Was South Korea’s most damaging earthquake geothermally-induced?
An earthquake that caused $52 million in damage in South Korea may have been caused by human activity.
How bad will a Hayward Fault earthquake actually be, and what you can do to protect yourself
CoreLogic estimates that less than 8% of residential losses will be covered by a Hayward Fault earthquake.
The third largest dam in the world could be triggering earthquakes
The Ataturk Dam in southeastern Turkey, and the water levels in the reservoir behind it are believed to cause induced seismicity in the region.
Atatürk barajı 5.2 büyüklüğündeki depremi tetiklemiş olabilir
Türkiye’nin güneydoğusundaki Atatürk Barajı ve rezervuardaki şu seviyelerinin, 2008 yılındaki 5 büyüklüğündeki deprem de dahil olmak üzere bölgede meydana gelen depremden sorumlu olduğuna inanılmaktadır.
Widely felt M=5.2 earthquake in Colombia
In the last 50 years, there have been many earthquakes M=6.75 and smaller around this location.
El sismo de Neira, Caldas Colombia, M=5.2 ampliamente sentido por la población
La ciudad colombiana de Manizales, en las profundidad de los Andes, experimentó una sacudida durante el sismo de hoy, con magnitud M=5.2
USGS forecasts 400 fires, 20,000 people trapped in elevators, 400,000 homeless in East Bay earthquake
What would happen if a M=7.0 Hayward Fault earthquake struck the Bay Area today?
Today’s M=5.6 Japan earthquake causes surprisingly severe shaking
Because of this earthquake’s shallow depth, shaking was strong enough to cause damage in the city of Oda.
M=5.3 earthquake strikes offshore Southern California
Today’s M=5.3 earthquake occurred in the Santa Cruz Basin just south of Santa Cruz Island.
Offshore El Salvador earthquake strikes location of deadly M=7.7 event
Monday’s M=5.9 quake struck in a region susceptible to much larger events.
Terremoto costa afuera de El Salvador golpea la ubicación del mortal evento de M=7.7
La ciudad capital de El Salvador, San Salvador, experimentó ligeros temblores este lunes por el terremoto costa afuera de M=5.9.
Giant crack opens in East African Rift Valley
Heavy rain in Kenya has revealed a large crack in Africa’s Rift Valley.
Enorme grieta se abre en el Gran Valle del Rift de África Oriental
La grieta, que tiene hasta 50 pies de profundidad y 65 pies de ancho, ocasionó daños en una carretera principal y destruyó hogares.
Creating the Ties that Bind: Breaking Bread and Sharing Stories in Latin America
As part of the 2018 GSA Distinguished International Lecture Tour, Ross Stein traveled to three countries Latin America to give talks and meet with local scientists and citizens. These are his experiences.
House spending bill brings back funding for earthquake early warning
ShakeAlert could receive close to $33 million this year, well more than the initially proposed $10 million.
Earthquake Early Warning: Early and often, or possibly late?
“We can get long warning times” according to USGS scientist Dr. Annemarie Baltay.
Potent Mexico City earthquake was a rare ‘bending’ quake, study finds – and it could happen again
The epicenter of Mexico’s lethal September 2017 earthquake was less than 65 miles outside the nation’s capital.
El sismo que azotó a la Ciudad de México fue ‘peculiar’ y podría pasar de nuevo, según estudio
El epicentro del terremoto letal del 18 de septiembre en Mexico fue a unos 100 kilómetros de la capital.
Twin M=4.2 earthquakes strike Oklahoma
At least one house is reported to have been damaged.
Large earthquakes slam Papua New Guinea
In just over a day, there have been 43 M=4.5+ aftershocks in Papua New Guinea following yesterday’s M=7.5 quake.
Bay area earthquake swarm edges toward the major Calaveras Fault
The Calaveras is capable of a magnitude 7+ earthquake
Spasm of temblors tests Earthquake Early Warning for Mexico City—and beyond
Since September 2017, Mexico City’s Earthquake Early Warning system has been triggered three times.
Espasmo de temblores pone a prueba al Sistema de Alerta Sísmica de la Ciudad de México–y más
Los residentes de la ciudad de México recibieron previo aviso de 30-90 segundos en tres de los cuatro terremotos de M=7+ en los últimos seis meses, una notable tasa de éxito de 75%.
Successful Mexico City Earthquake Early Warning, but why three large quakes in 6 months?
Mexico City’s Earthquake Early Warning sirens went off up to a minute before shaking started.
New Hayward Fault study reveals increased risk in East Bay Hills
The East Bay Hills will likely experience the greatest shaking in a M=7.0 earthquake.
Earthquake Early Warning 5 seconds before ‘killer pulse’
Stand-alone Palert detectors triggered in last week’s M=6.4 earthquake in Taiwan.
Earthquake insurance coverage in Washington exceeds expectations, but is it enough?
Approximately 11.3% of people have residential earthquake insurance in Washington, only covering 18% of the exposure.
What caused the M=6.4 Taiwan earthquake?
Tuesday’s M=6.4 was preceded by a very unusual foreshock sequence.
Buildings collapse in coastal Taiwan M=6.4 quake
The mainshock followed a M=6.1 foreshock just 20 km away two days beforehand
M=6.1 earthquake strikes offshore Taiwan
Yesterday’s quake occurred at the junction of the Longitudinal Valley Fault and the Ryukyu Trench.
$3,000 retrofit grant available to California homeowners now
Registration for the $3,000 grant is only open until February 23.
Megacity megathrust: M=6 Java sequence highlights Jakarta’s seismic risk
The 30 million people that live around Jakarta are all exposed to a moderate seismic threat.
M=4 Southern California earthquake highlights Elsinore Fault’s destructive potential
Last night’s earthquake struck just off the Elsinore Fault, one of Southern California’s quietest, but most dangerous faults.
Did Tuesday’s M=7.9 Kodiak earthquake nudge the Alaskan Megathrust closer to failure?
The Alaskan Megathrust was responsible for the M=9.2 Good Friday earthquake in 1964.
Magnitude 7.9 earthquake: Midnight shaking and confusion in an Alaskan Cabin
Lester Lubetkin recounts what it was like experiencing the M=7.9 earthquake in his cabin in Homer, Alaska.
M=7.9 Alaska earthquake strikes off the coast of Kodiak Island, triggering a tsunami and questions
Last night’s M=7.9 earthquake was an unusual outer rise strike-slip event.
The M=7.1 megathrust quake that struck Peru is small by the standards of the region
Much larger quakes are common along the Nazca Trench
Series of earthquakes strikes Iran-Iraq border
Today’s quakes struck less than 150 km south of a deadly M=7.3 earthquake in November 2017.
M=7.6 Honduras earthquake—a near miss
Had this earthquake struck to the east or west, the outcome would have been much worse.
250,000 refugiados a causa de terremotos provenientes de El Salvador y Haití tendrán que abandonar los Estados Unidos
Aunque El Salvador y Haití están en el proceso de ser eliminados de la lista de países bajo el estatus de protección temporal, Nepal, que fue devastado por el terremoto de M=7.8 en 2015, permanece en la lista.
250,000 earthquake refugees from El Salvador and Haiti will have to leave the United States
El Salvador and Haiti have been removed from the list of countries with temporary protected status.
Largest Hayward Fault earthquake since 1981 raises questions about what could happen next
Last night’s earthquake was felt by approximately 10 million people.
Response by the Director of the Iranian Seismological Center
Prof. Ali Moradi shares his opinions on earthquake risk and preparedness in the region.
Dispute: Do Magnitude 7-8 mainshocks commonly trigger immediate damaging aftershocks up to 300 km (180 mi) away?
Dueling papers and posters wrestle with a tough and critical seismic question
M=3.9 earthquake near San Jose highlights Calaveras Fault’s destructive potential
Last night’s M=3.9 earthquake east of San Jose struck along the Calaveras Fault.
زنگ بیدارباش/ روایت زمینشناس ایرانی آکادمی علوم نیویورک از زلزله تهران؛ پیشلرزه یا یک زلزله اصلی؟
Translation from: khabaronline.ir Click here to read the response from the Director of the Iranian Seismological Centre جامعه > حوادث – مانوئل بربریان، زمین شناس ایرانی در آمریکا، دکترای زمینشناسی از دانشگاه کمبریج و عضو …
Guest Opinion: Tehran earthquake a wakeup call for the region
Last night’s M=4.9 earthquake outside of Tehran should be a warning to 15 million people.
M=6.5 earthquake in Indonesia causes shaking in Jakarta
Today’s earthquake struck along the relatively seismically inactive section of the Java Trench.
Increased seismic activity in Oregon highlighted by tremor and a M=4.0 quake
Last night’s M=4.0 earthquake was felt in Portland, and a slow-slip event began after a 22 month period of quiescence.
Iran struck by another series of earthquakes
Today’s M=6.0 earthquake was followed, 8 minutes later, by a M=5.0 aftershock.
Terremoto de Ecuador: un gemelo que nació cinco meses después
El terremoto de ayer de M=6.0 a lo largo del litoral de Ecuador, ocurrió justo al noreste del popular destino turístico de Bahía
Ecuador earthquake: a twin delivered five months later
Yesterday’s M=6.0 earthquake struck on or just above the subducting slab.
Alerta sísmica temprana: Cambios en la Gravedad se adelantan a las señales sísmicas
La alerta sísmica temprana pretende alertar a la población y a los sistemas automatizados segundos antes de una fuerte sacudida, es una de las contribuciones más importantes de la sismología moderna a la sociedad.
Another damaging earthquake strikes Iran
Last night’s M=6.0 earthquake is the second large, damaging earthquake in the last month.
M=4.1 Delaware earthquake the largest recorded in the state’s history
The largest earthquake recorded in Delaware before today was a M=3.8 in 1973
Earthquake Early Warning: Gravity changes beat seismic signals
Earthquake early warning (EEW), which aims at alerting people and automated systems seconds before strong shaking arrives, is one of the important contributions of modern seismology to society
¿Podrían los cambios en la rotación terrestre ser usados para pronosticar terremotos?
Esta hipótesis ha generado gran controversia entre los medios de prensa, ¿Cual será la reacción dentro de la comunidad científica?
Can changes in Earth’s rotation be used to forecast earthquakes?
This hypothesis has caught fire with the press. How will it fare among scientists?
Where the San Andreas goes to get away from it all
A creeping section on the fault and a magnitude 4.6 earthquake in the middle of it
Do the recent South Korean magnitude-5.4 earthquakes imperil the safety of its nuclear power plants?
The two largest shocks in 40 years both struck along an active 120-km-long fault that lies 10 km from three nuclear reactors
A personal cry by an Iranian-born earthquake scientist for a change in how Iran addresses its seismic risk and resilience
Neither earthquakes nor buildings kill the people in this beautiful and ancient country.
A former resident reports on M=7.3 Iraq-Iran shock: Devastation of the large city of Derbandikhan
The quake had special significance for me personally, as my hometown—Khanaqin—lies on the Iraqi side of the border, just 50 km southwest of the epicenter.
El Terremoto de Esterillos, Costa Rica Mw=6.50, Un sismo con consecuencias destructivas
Los sismos en el pacifico central de Costa Rica tienden a ocurrir en pares, por lo que no es posible descartar
la ocurrencia de un sismo similar.
Magnitude 6.5, Esterillos, Costa Rica Earthquake killed through heart attacks
Costa Rican shocks tend to come in pairs, and so this might not be over
Damaging Magnitude 7.3 earthquake along the Iran-Iraq border was preceded by Magnitude 4.3 foreshock
Today’s earthquake sequence struck along two borders: political and tectonic.
Mexico City Earthquake Damage: From ‘I survived’ to ‘What now?’
We spoke with two members of a Safer Cities Reconnaissance Team to learn about their recent trip to Mexico.
M=6.8 compressional earthquake near New Caledonia triggers swarm of extensional quakes
A large magnitude earthquake on Halloween near along the New Hebrides trench appears to have triggered several outer rise quakes.
The sensation of feeling an earthquake
An personal account of what it was like to feel an earthquake in Alaska
The GreatShakeOut—in the wake of the Great Fire and Great Flood
At 10:19 am on Thursday, the Great ShakeOut drill will take place.
Hunting fires with cameras
Rather than fires hunting us, we should hunt them
M=4.1 earthquake along the Calaveras Fault shakes San Jose
The Calaveras Fault has a 26% chance of rupturing in a M≥6.7 earthquake by 2043
Mexico City building collapses were preventable—and so will be ours
The majority of the buildings which collapsed were old structures which should have been retrofitted or condemned.
Los colapsos de edificios en la Ciudad de México pudieron haberse prevenido–y de la misma forma se podrá con los nuestros
Casi todos los edificios que se cayeron se construyeron antes del terremoto de 1985 y se debieron haber reforzado o denunciado.
Videos del colapso de edificios en México: Expertos en ‘Agacharse, cubrirse y esperar’ o correr
Así que, la mayoría de los expertos recomienda ‘agacharse, cubrirse y esperar’
Mexico building collapse videos: Experts on ‘Drop cover, and hold on,’ or run
Is ‘drop, cover, and hold on’ really your best option?
M=6.1 Mexican aftershock strongly promoted by M=8.1 Chiapas mainshock
The fault on which the M=6.1 aftershock in Mexico struck over the weekend was significantly stressed by the M=8.1 Chiapas quake on September 7
Mexican Earthquakes: Chain Reaction or Coincidence?
One chance in 30,000 sounds small until you compare it to one in a million
Impactados y sacudidos desde el suelo: Reporte de un testigo de la Ciudad de México
Por Germán Acosta Cervantes, Traductor al Español de Temblor
Shocked and shaken to the ground: An eyewitness report from Mexico City
Germán Acosta, Temblor’s Spanish translator, tells what it was like experiencing Tuesday’s M=7.1 earthquake in Mexico City
How well will Earthquake Early Warning work? (Reader Poll)
We have to accept the idea that several times a year, we’ll get an alert when shaking is very light
¿Están relacionados los dos terremotos principales de México? y ¿qué podría suceder después?
Una pregunta persiste en todas nuestras mentes, sobre si el terremoto de M=8.1 en Chiapas, de alguna forma, desencadenó el sismo de M=7.1, doce días después y a 600 km (360 mi) de distancia.
Are Mexico’s two major earthquakes related, and what could happen next?
Based on coulomb stress calculations, the two events are likely unrelated