Earthquakes

Study: Big California earthquake would knock out cell service, communications

In this Jan. 3, 2019, file photo, a mobile phone customer looks at an earthquake warning application on an iPhone in Los Angeles. (AP Photo/Richard Vogel, File)

Cleanup begins in Acapulco after 7.0 earthquake

A man walks in from of a convenience store on a street covered with debris after a strong earthquake, in Acapulco, Mexico, Tuesday, Sept. 7, 2021. The quake struck southern Mexico near the resort of Acapulco, causing buildings to rock and sway in Mexico City nearly 200 miles away. (AP Photo/ Bernardino Hernandez)

4.1 magnitude earthquake rattles Salinas Valley area of California

A 4.1 magnitude earthquake struck in west-central California on Aug. 31. 2021. (USGS)

Gov. Newsom and California hospitals seek delay for earthquake building upgrades

Patients rest under shade after being evacuated from Ridgecrest Regional Hospital following a 6.4 earthquake on July 8, 2021. (Irfan Khan / Los Angeles Times)

No, that wasn’t a quake, SoCal — it was a sonic boom

A sonic boom was recorded at about 9:20 a.m. on July 9, 2021, near San Dimas, according to the U.S. Geological Survey.

More Earthquakes Headlines

Aftershocks expected for days following magnitude 6 quake that shook California-Nevada border

This image from video provided by Brett Durrant shows boulders blocking U.S. Route 395 near the California state line with Nevada, after an earthquake Thursday, July 8, 2021. (Brett Durrant via AP)

6.0 magnitude quake near California-Nevada border felt from Bay Area to Bakersfield

This map showing a 5.9 earthquake near the California-Nevada border south of Lake Tahoe on July 8, 2021, was provided by the U.S. Geological Survey.

Magnitude 3.5 earthquake strikes Inland Empire in the middle of the night

A USGS map shows the location of a quake that occurred July 3, 2021.

Magnitude 3.2 earthquake hits near LAX

A USGS map shows the location of a magnitude 3.4 earthquake that struck near LAX at 5:08 p.m. June 23, 2021.

4.3-magnitude earthquake rattles Salton Sea as swarm continues

A magnitude 4.3 earthquake that rattled the Salton Sea area on June 11, 2021, is seen in a map provided by the U.S. Geological Survey.

Series of earthquakes, including magnitude 5.3, strike near Salton Sea

A magnitude 5.3 quake that struck near Calipatria on June 5, 2021. (USGS)

4.2 earthquake strikes under Lake Tahoe, shaking felt in parts of Bay Area

A 4.2 earthquake struck under Lake Tahoe on May 28, 2021. (USGS)

Magnitude 3.7 earthquake strikes near Hermosa Beach

A magnitude 3.7 earthquake hit near Hermosa Beach Saturday afternoon.

Magnitude 4.7 earthquake hits near Truckee in NorCal

A 4.7 magnitude quake that struck near Truckee on May 6, 2021, is seen in a map provided by the U.S. Geological Survey.

U.S. earthquake early warning system expands to cover entire West Coast

Earthquake damage in Ridgecrest, Calif., in 2019.(Irfan Khan / Los Angeles Times)