United States Geological Survey

Magnitude 3.4 quake shakes Ventura County

Ojai aftershocks

Top United States Geological Survey Headlines

Magnitude 4.2 earthquake felt across Southern California

A magnitude 4.2 quake shook Southern California on Dec. 31, 2022. (USGS)

Magnitude 6.2 quake hits coast of Baja California

A preliminary magnitude 6.2 earthquake struck off the coast of Baja California on Nov. 22, 2022. (USGS)

Preliminary 5.1 magnitude earthquake strikes off Humboldt …

A 5.1 earthquake struck off the northern California coast late Saturday, July 17, 2021. (USGS)

Lava lake forms as Kilauea volcano erupts on Hawaii’s …

A plume rises near active fissures in the crater of Hawaii's Kilauea volcano on Monday, Dec. 21, 2020. (M. Patrick/U.S. Geological Survey via AP)

Magnitude 3.1 earthquake strikes Loma Linda

A magnitude 3.1 earthquake was reported at 4:56 p.m. on Nov. 27, 2020, in Loma Linda. (U.S. Geological Survey)

Magnitude 4.6 earthquake strikes south of Rosemead, rocking …

A USGS map shows the location of a magnitude 4.5 earthquake that struck about 2 miles south of Rosemead on the night of Sept. 18, 2020.

More United States Geological Survey

Magnitude 3.2 earthquake reported near Coalinga

A magnitude-3.2 earthquake was reported Aug. 4, 2020, at 2:28 p.m. 11 miles from Coalinga, Calif., according to the U.S. Geological Survey. (USGS)

Famed seismologist Lucy Jones launches podcast to …

Large earthquake rattles coast of Northern California

An earthquake with a preliminary magnitude of 5.8 rattled the Northern California coast on March 8, 2020. (Credit: United States Geological Survey)

L.A. Leaders Discuss Earthquake Preparedness

Dr. Lucy Jones speaks about earthquake preparedness on July 12, 2019. (Credit: KTLA)

Western Panama Hit by 6.3 Magnitude Earthquake

A map shows a 6.3M earthquake detected in Panama on June 25, 2019. (Credit: USGS)

L.A. Mayor Eric Garcetti Officially Introduces County’s …

Interfaces of ShakeAlertLA app are seen in a screenshot taken from the Apple's App Store on Jan. 3, 2019.

Major Earthquakes Rattle Indonesia, Fiji: USGS

This picture taken on Aug. 9, 2018 shows tourist rental boats moored as the sun set after the recent quakes at Teluk Nare port in Pemenang in northern Lombok island. (Credit: SONNY TUMBELAKA/AFP/Getty Images)