Malibu Quake is 14th Earthquake Sequence of Magnitude 4.0 This Year - The Most Since 1988

Southern California Earthquake Data

A magnitude-4.0 earthquake struck at 2:17 a.m. PDT on Friday, September 2, 2023, 11 miles west of Malibu, California, according to the U.S. Geological Survey.

The quake was followed by a magnitude 3.0 aftershock at 2:21 a.m. and a 2.5 aftershock at 2:45 a.m. There were no reports of damage or injuries.

The Malibu quake was the 14th earthquake sequence of magnitude 4.0 or greater in Southern California this year, according to the USGS. This is the most such sequences since 1988.

Earthquake Activity in Southern California

Southern California is a seismically active region, and earthquakes are common. The region is home to the San Andreas Fault, one of the world's most active seismic faults, and several other smaller faults.

In recent years, there has been an increase in earthquake activity in Southern California. This increase is likely due to a number of factors, including the movement of tectonic plates, the build-up of stress on faults, and the presence of fluids in the Earth's crust.

The increase in earthquake activity is a reminder that Southern California is a seismically active region and that earthquakes can happen at any time. It is important for residents of the region to be prepared for earthquakes and to know what to do in the event of an earthquake.

What to Do in the Event of an Earthquake

If you are in an earthquake, drop to the ground, take cover under a sturdy table or desk, and hold on until the shaking stops.

If you are outside, move away from buildings, trees, and power lines. Stay away from windows and other glass objects.

Once the shaking stops, check yourself and others for injuries. If you see any downed power lines, stay away from them and call 911.

Be prepared for aftershocks. Aftershocks are smaller earthquakes that can occur after a larger earthquake.

If you have any questions about earthquakes, please contact your local emergency management office.

Conclusion

The Malibu quake is a reminder that Southern California is a seismically active region and that earthquakes can happen at any time. It is important for residents of the region to be prepared for earthquakes and to know what to do in the event of an earthquake.