When was the last major earthquake in Southern California?

July 2019. The Ridgecrest earthquakes that hit on July 4 and July 5 with a magnitude 6.4 and 7.1, respectively, were the most recent major earthquake in Southern California. The 7.1 lasted 12 seconds and was felt by about 30 million people.

When was the worst earthquake in California?

7.9- April 18, 1906. San Francisco.

How long did the Southern California earthquake last?

The quake had a duration of approximately 10–20 seconds, and its peak ground acceleration of 1.82 g0 (17.8 m/s2) was the highest ever instrumentally recorded in an urban area in North America. Strong ground motion was felt as far away as Las Vegas, Nevada, about 220 miles (350 km) from the epicenter.

Where is the Southern California earthquake data center?

The Southern California Earthquake Data Center (SCEDC) is the archive of the Southern California Seismic Network (SCSN). It is funded by the U.S. Geological Survey (USGS) and the Southern California Earthquake Center (SCEC).

How big of an earthquake was there in 2016?

This is a list of earthquakes in 2016. Only earthquakes of magnitude 6 or above are included, unless they result in damage and/or casualties, or are notable for some other reason. All dates are listed according to UTC time.

How long does it take to update Southern California earthquake map?

(Smaller earthquakes in southern California are added after human processing, which may take several hours.) Map need updating? Try reloading the page to your browser.

Where was the largest earthquake in Southern California?

The largest earthquake in Southern California: today: 2.3 in Searles Valley, California, United States.