'Earthquake swarm' rocks SoCal. It may not be as alarming as it sounds

There have been more than 400 tremors recorded in this swarm as of May 11. How unusual is this?

Preliminary 3.4-magnitude earthquake strikes near Redlands

A preliminary 3.4-magnitude earthquake struck near Redlands and shook all across Southern California's Inland Empire.
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They thought it was just another LA earthquake - then lava hit Wilshire Boulevard

Los Angeles is used to earthquakes, so when a moderate tremor shakes the city, most people think it is just another rough day in California. But this time, the quake is only the beginning. Within ...

Earthquake swarm shakes Imperial County with 4.7 magnitude quake reported

A swarm of earthquakes shook Imperial County this weekend, with dozens of quakes, ranging in magnitude from 2.5 to 4.7, ...
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LA felt a small earthquake - hours later, lava was running down Wilshire

Los Angeles is used to earthquakes, so when a moderate tremor hits the city, most people assume it is just another rough day in California. But this time, the shaking is only the beginning. Within ...