M 4.2 in San Fernando
Today’s M 4.2 quake likely struck on a ‘tear fault’ that connects portions of the 1971 San Fernando earthquake rupture. Today’s event is strike-slip, whereas the 1971 event was …
M 7.8 Aleutian Islands quake
A M 7.8 quake shook the Aleutian Islands this morning. The Alaska earthquake likely occurred along the subduction interface. The Aleutian arc is no stranger to large quakes, having …
M 4.2 in Central Visayas, Philippines
A shallow M 4.2 quake shook Cebu City, Central Visayas on July 17th. The region is at elevated risk of strong shaking, according to Temblor’s models. The M 7.1 …
M 5.1 quake in Venezuela
A shallow magnitude-5.1 earthquake struck the Boconó Fault in Venezuela today, and was felt as far away as Caracas. This right-lateral transform fault ruptured in large, damaging earthquakes 6 …
Earthquake swarm in central Idaho
A swarm of earthquakes has shaken central Idaho over the past month, with two M4.0 quakes striking in the past 24 hours. This region has seen large quakes in …
M 5.1 quake in NE Colombia
A M 5.1 quake struck NE Colombia tonight. This quake is likely another event in the “Bucaramanga nest,” one of the highest concentrations of intermediate depth seismicity in the …
M 6.6 quake offshore Java
A deep M 6.6 quake struck north of Java today. Shaking was felt throughout the island. The quake was deep enough to lie on the megathrust. Although likely unrelated, …
M 5.8 near Lone Pine, CA
A M 5.8 quake struck today near the southern end of the Owens Valley Fault Zone. Retrospectively, it appears yesterday’s nearby M 4.6 quake was a foreshock. The damaging …
Oaxaca shaken by M 7.4 quake
Today’s M 7.4 megathrust Oaxaca Earthquake was likely promoted by the deeper 2017 M 8.2 Tehauntepec quake. Here is the forecast Temblor submitted to the Willis Research Network in …
M 5.0 offshore Java
The Yogyakarta region of Indonesia was shaken by a M 5.0 quake at 2:33 am local time. The deep quake struck ~75 km offshore. Parts of Java is at …
M 4.2 near Perry, Oklahoma
A M 4.2 quake hit near Perry, Oklahoma last night. This is not unexpected in this region. Oklahoma has experienced several M 4+ earthquakes per year, including a M …
M 5.9 quake in eastern Turkey
A M 5.9 quake struck eastern Turkey today. The quake occurred near the intersection of the Eastern and Northern Anatolian Faults. A M 6.8 quake occurred nearby in 1949, …
M 5.2 in western India
A M 5.2 quake struck in western India today. The quake appears to be a late aftershock of the M 7.7 Gujarat (Bhuj) earthquake in 2001. This aftershock is …
M 5.2 in Elâzığ, Turkey
A M 5.2 aftershock struck the Elâzığ region in Eastern Turkey today. The region experienced a damaging M 6.8 quake in January. Today’s quake is just one of several …
M 5.5 Ridgecrest aftershock
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 …
Apparent earthquake swarm in Delhi area
An apparent seismic swarm is in progress near Delhi. The quakes are not occurring on any known fault, and depths are uncertain. Swarms like this are not typically followed …
Deep M 6.8 quake ENE of Antofagasta
An ~90km deep M6.8 quake struck in Chile today. It seems to have originated on the slab interface, according to the USGS Slab2 model. But, the focal mechanism is …
M 4.7 quake strikes offshore Haiti
A shallow M 4.7 quake struck today on the Septentrional Fault off Cap-Hatien in northern Haiti. Though small, two great quakes likely ruptured the fault in 1842 and 1887. …
M 4.6 earthquake near New Delhi
A M 4.6 quake struck northwest of India’s capital, New Delhi today. The region experienced a widely felt M 3.8 in April. Today’s shock occurred beneath the Delhi-Hardwar ridge, …
M 5.6 quake and 5.0 aftershock strike New Zealand
Two large earthquakes struck offshore New Zealand over the weekend. The region hosts a number of large faults capable of generating major quakes. The South Island is transected by the …
M6.5 Tonopah event ruptured two faults
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 …
M5.0 quake in the Philippines
A M5.0 quake struck just off the eastern coast of Luzon in the Philippines at a depth of approx 48 km according to the USGS. The region lies wedged between …
M 4.8 quake rattles Santiago
A widely-felt magnitude-4.8 earthquake ruptured at the southern edge of Santiago today. The event likely struck on the megathrust that lies 90 km beneath Santiago. …
Tonopah quake likely occurred on left-lateral fault
It is beginning to appear that a 20-25 km long left-lateral strike-slip fault, perhaps fully unmapped before the earthquake, is responsible for the 15 May rupture. There is just one …
Strong Nevada earthquake felt in San Francisco Bay Area, Bakersfield and Las Vegas
A magnitude-6.5 quake struck a remote part of Nevada today, but was felt in the San Francisco Bay area, Bakersfield, and Las Vegas. Based on its aftershocks and focal mechanism, the event probably struck on an unnamed left-lateral fault, or perhaps the Emigrant Peak Fault.
Earthquake swarm underway beneath Greater Tokyo
Yesterday’s M5.8 is the latest in a series of M5+ quakes to rattle greater #Tokyo since the beginning of the year. The long-term rate of M5+ quakes within 100 km …
M 5.3 quake in Philippines
Three widely felt earthquakes shook the Philippines today, but it’s unclear if they triggered each other. They appear to have struck on the twin subduction zones that formed the islands. …
M 5.6 quake in Japan
Another quake struck beneath the Tokyo metro region just after 10 pm local time on May 4th. This quake, a M 5.6, is the latest in a swarm that has …
M 3.3 in Los Angeles Metro
A M 3.3 quake rattled parts of the northern Los Angeles metro area last night. The region is at risk of strong shaking, according to Temblor’s models. Los Angeles has …
M 5.3 offshore Puerto Rico
A series of M 4+ aftershocks struck this morning off shore of Puerto Rico, south of Ponce, with the largest being a M 5.3. These quakes follow the M 6.4 …
M 6.6 earthquake offshore Crete
Today’s magnitude-6.6 was far enough offshore to cause no damage. But this thrust event likely struck on or just above the Hellenic Arc megathrust zone, which ruptured in AD 365 …
M 5.0 quake in Indonesia
A M 5.0 earthquake occurred today near the town of Padangsidempuan, Indonesia. Sumatra is transected by the right-lateral Sumatran fault system. Today’s quake occurred within a tectonically complex region …