Information and resources for Southern California

Monday, Apr 21, 2014 at 09:50 PM PDT

Do Recent Quakes Portend Big One?

Do Recent Quakes Portend Big One?

There have been a number of significant earthquakes across the world in recent weeks, each thousands of miles apart. But could they be connected, and is it a sign of things to come here in Southern...

Wednesday, Apr 9, 2014 at 10:53 AM PDT

Ask an Earthquake Expert Anything

Ask an Earthquake Expert Anything

USGS seismologist Dr. Lucy Jones will answer questions from Reddit users Tuesday about the recent earthquakes in Southern California and what residents can do to prepared for the next one.

Thursday, Apr 3, 2014 at 05:12 PM PDT

Magnitude-3.1 Quake Reported Off Malibu

Magnitude-3.1 Quake Reported Off Malibu

A magnitude-3.1 earthquake was reported Thursday morning about eight miles west of Malibu.

Thursday, Apr 3, 2014 at 05:40 AM PDT

Growing SoCal Quake Awareness Prompts Emergency Preparations

Growing SoCal Quake Awareness Prompts Emergency Preparations

After several years with minimal seismic activity in Southern California, the widely felt temblors near Encino and La Habra, followed by the major quake off the coast of Chile, have refocused many...

Thursday, Apr 3, 2014 at 03:57 AM PDT

Small Tsunami Waves Arrive on California Coast

Small Tsunami Waves Arrive on California Coast

Small tsunami waves measuring just a few inches arrived on the Southern California coast Wednesday.

Tuesday, Apr 1, 2014 at 05:51 PM PDT

Back-to-Back Aftershocks Shake La Habra

Back-to-Back Aftershocks Shake La Habra

Two aftershocks, the largest measuring magnitude-3.0, shook the same Southern California region rattled by last week's magnitude-5.1 earthquake.

Tuesday, Apr 1, 2014 at 05:53 PM PDT

Experts Warn of Dangers on Puente Hills Fault

Experts Warn of Dangers on Puente Hills Fault

Seismologists warned that a magnitude-7.5 earthquake from the Puente Hills thrust fault, the same fault that caused Friday night’s magnitude-5.1 quake in La Habra and hundreds of aftershocks, could be...

Monday, Mar 31, 2014 at 05:15 PM PDT

School Closed for Quake Damage Inspections

School Closed for Quake Damage Inspections

An Orange County elementary school might be closed for two weeks as authorities investigate damage.

Monday, Mar 31, 2014 at 06:51 AM PDT

Getting Prepared for California’s Next Big Quake

Getting Prepared for California’s Next Big Quake

How ready are you for the next big earthquake?

Monday, Mar 31, 2014 at 12:15 AM PDT

Location of La Habra Quake Cause for Concern: Seismologists

Location of La Habra Quake Cause for Concern: Seismologists

Seismologists are trying to figure out what Friday's 5.1-magnitude earthquake means for Southern California's seismic future. The location of the La Habra quake and aftershocks, seismologists say, is a cause for...

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NBC4 Southern California and the American Red Cross are helping you and your loved ones prepare and respond to an earthquake. In addition to delivering special on-air coverage, this web page is designed especially for you to provide regular updates and the latest information on earthquake preparedness. For more disaster preparedness information, please visit the American Red Cross at http://redcrossla.org/.

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