Articles tagged "california earthquake"

2ridgecrest earthquake ge usgs july 6 2019 2100z f

M7.1 Ridgecrest Earthquake - USGS Aftershock Forecast

The USGS has issued its Aftershock Forecast following M7.1 Ridgecrest, CA earthquake at 03:19 UTC on July 6, 2019. An updated version issued 02:55 UTC, July 7 is posted below and marked Update. Over the next 1 week, there is is a 3 % chance of one or more...

July 06, 2019

ridgecrest earthquake ge usgs july 6 2019 2100z f

Powerful M7.1 earthquake hits Southern California

A very strong and shallow earthquake registered by the USGS as M7.1 hit Southern California at 03:19 UTC on July 6, 2019 (20:19 local time, July 5). The agency is reporting a depth of 17 km (10.5 miles). EMSC is reporting M7.1 at a depth of 10 km (6.2 miles). This...

July 06, 2019

california earthquakes july 4 2019 f

Strong and shallow M6.4 earthquake hits Southern California, numerous aftershock shaking the region

A strong and shallow earthquake registered by the USGS as M6.4 hit Central California at 17:33 UTC (10:33 local time) on July 4, 2019. The agency is reporting a depth of 8.7 km (5.4 miles). EMSC is reporting M6.4 at a depth of 2 km (1.2 miles). At least 160...

July 04, 2019

socal small eqs

Almost 2 million previously unidentified earthquakes in Southern California

Caltech seismologists have identified nearly two million previously unidentified tiny earthquakes that occurred between 2008 and 2017 in Southern California, expanding the region's earthquake catalog by a factor of 10. Their efforts, published online by the...

April 23, 2019

la cali earthquake april 5 2018 location

Shallow M5.3 earthquake shakes Los Angeles area, California

A strong earthquake measuring M5.3 on the Richter scale hit near the coast of Los Angeles, California at 19:29 UTC (12:29 PDT) on April 5, 2018. The USGS is reporting a depth of 16.8 km (10.4 miles). The epicenter was located 28 km (17.4 miles) SW of Santa Cruz Is....

April 05, 2018

california earthquake january 25 2018

Shallow M5.8 earthquake hits off the coast of Northern California

A strong and shallow earthquake registered by the USGS as M5.8 hit off the coast of Northern California at 16:39 UTC (08:39 PST) on January 25, 2018. The agency is reporting a depth of 5 km (3.1 miles). EMSC is reporting M5.8 at a depth of 2 km (1.2 miles). The...

January 25, 2018

san francisco earthquake january 4 2018

Sharp M4.7 earthquake followed by 5 - 10 seconds of shaking hits San Francisco, California

A sharp M4.7 earthquake hit 3 km (1.9 miles) ESE of Berkley, California at 10:39 UTC (02:39 PST) on January 4, 2017, according to the USGS. The quake hit at a depth of 13 km (8 miles) and was felt for about 5 - 10 seconds as far away as Marin and Sonoma counties as...

January 04, 2018

california earthquakes november 2017

More than 130 quakes after M4.6 NE of Gonzales, California

Following a M4.6 earthquake that hit just NE of Gonzales, California on November 13, 2017, the USGS has registered more than 130 aftershocks within the 5 km (3.1 miles) of the epicenter. Although most of those aftershocks weren't felt by the Central Coast, the...

November 22, 2017

california earthquake september 22 2017

Shallow M5.7 earthquake hits off the coast of Northern California

A shallow earthquake registered by the USGS as M5.7 hit off the coast of Northern California, US at 19:50 UTC on September 22, 2017. The agency is reporting a depth of 9.1 km (5.6 miles). The epicenter was located 58 km (36 miles) W of Ferndale, 58 km WNW of...

September 22, 2017

incecisive weather by sheila sund

How large-scale water cycles influence quake activity in California

A new study shows how seasonal changes in large-scale water cycles in California influence small-scale quake activity. It confirms that the annual hydrological loading cycle modulates microseismicity in California. The results of the study reveal how snow, rain,...

June 16, 2017

0brawley earthquake swarm january 2 2016

Earthquake swarm under Brawley, Southern California

A swarm of shallow earthquakes is being registered under the city of Brawley, California since December 31, 2016. Mayor Sam Couchman said the quakes have placed the city of 26 000 on edge. By 15:25 UTC on January 2, 2017, more than 260 small to moderate earthquakes...

January 02, 2017

california m6 5 december 8 2016

Strong and shallow M6.5 earthquake hits off the coast of Northern California

A strong and shallow earthquake registered by the USGS as M6.5 hit off the coast of Northern California at 14:49 UTC on December 8, 2016. The agency is reporting a depth of 10 km (6.2 miles). The epicenter was located 148.5 km (92.3 miles) W of Capetown (population...

December 08, 2016

san andreas fault featured

Research suggests mega-earthquake could occur along the entire San Andreas fault

New research suggests a devastating mega-earthquake could occur throughout the entire San Andreas fault line in California, yielding far worse consequences than previously assumed. The San Andreas fault, 1 300 km (800 miles) long, was not considered capable of...

November 28, 2016

california 3.8 ridgemark earthquake featured

Series of small tremors rattle Ridgemark, California

The US Geological Survey reported an M3.5 earthquake, about 11 km (6.8 miles) south-southeast of Ridgemark, central California, on October 18, 2016, 22:09 UTC. The quake that occurred at a depth of 7.7 km (4.7 miles) is the latest in the series of small tremors...

October 19, 2016

sediment layers along eastern edge of the salton sea southern california

New fault line discovered near San Andreas in southern California

Scientists from Scripps Institution of Oceanography and the Nevada Seismological Laboratory have discovered a new, potentially significant fault in southern California. Now named the Salton trough fault (STF), the newly discovered fault runs parallel to the San...

October 07, 2016

salton sea eq swarm usgs google

Increased risk of a major earthquake on San Andreas fault, California

Although the swarm of over 300 earthquakes under the Salton Sea in southern California seems to be over, seismologists are warning there still remains an increased risk of a big earthquake on the San Andreas fault. Experts said it’s important to understand...

October 01, 2016

M4 3 earthquake under salton sea california 26 september 2016 f

Swarm of small earthquakes hits Salton Sea, California

Between 11:03 UTC on September 26 and 06:03 UTC on September 27, 2016, USGS registered a total of 143 earthquakes in a remote desert area around the Salton Sea in California. Three of them had magnitudes above 4. The largest was a shallow M4.3 at 14:31 UTC on...

September 26, 2016

socal_m5 2_10jun2010_f

Very shallow M5.2 earthquake, numerous aftershocks registered near Borrego Springs, Southern California

A very shallow earthquake registered by the USGS as M5.2 hit near Borrego Springs, Southern California, US at 08:04 UTC (01:04 local time) on June 10, 2016. Almost 400 small to moderate aftershocks were reported by 13:23 UTC. Four of them had magnitudes 2.8 and...

June 10, 2016

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Multi-fault ruptures can unleash stronger California earthquakes, Stanford study

A new research by Stanford scientists, based on California's deadly 1812 earthquake, demonstrates how the rupturing of multiple faults in California can trigger even more powerful quakes. It was assumed previously that infamous San Andreas Fault was the sole...

March 15, 2016

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New long-term earthquake forecast for California

A new California earthquake forecast by the USGS and partners revises scientific estimates for the chances of having large earthquakes over the next several decades. The Third Uniform California Earthquake Rupture Forecast, or UCERF3, improves upon previous models by in

March 12, 2015

long_valley_caldera_eq_swarm_september_2014

Large earthquake swarm rattles Long Valley caldera, California U.S.

A large earthquake swarm is currently underway in Long Valley caldera, Mammoth Lake region of California U.S., east of the Sierra Nevada mountains. The swarm started on Thursday, September 25, 2014, and it is one of the largest earthquake swarms in this region in the pa

September 29, 2014

Two moderate eq July 21 2012 offshore northern california

Global seismic unrest - Two moderate earthquakes offshore Northern California

According to USGS a 5.1 magnitude earthquake hit offshore Northern California on July 21, 2012 at 1:52 UTC. Recorded depth was 10 km and epicenter located 108 km (67 miles) W (274°) from Petrolia, CA at 40.382°N,

July 21, 2012

weitchpec

Increased seismic activity in Northern California, US - Strong 5.6 earthquake near Eureka

Shallow earthquake magnitude 5.6 hit Northern Carolina at 21:07:02 UTC (01:07:02 PM) with epicenter near Redwood National park according to USGS. The epicenter was located 10 km (6 miles) west (247°) from Weitchpec,28 km (17 miles) northeast (63°) from

February 14, 2012