A 4.3-magnitude earthquake struck the Inland Empire Thursday morning, according to the U.S. Geological Survey.

An earthquake with a magnitude of 4.3 struck about 5 miles from Fontana around 9:30 a.m. Wednesday and was felt around ...

A preliminary 4.3-magnitude earthquake struck around 9:30 a.m. north of Fontana. It was followed by at least one aftershock in the same area, currently reported as a 3.1-magnitude quake. PREVIOUS ...

California has been rocked by a 4.4 magnitude earthquake that sent shockwaves through Los Angeles. The US Geological Survey ...

The quakes come just a day after a massive magnitude 8.8 earthquake struck in Russia, prompting tsunami warnings along the ...

A preliminary 4.4-magnitude earthquake struck Southern California Thursday morning, according to the U.S. Geological Survey.

Based on seismic records and NOAA data, here is a list of top 10 most earthquake-prone countries in the world.

Russia's 8.8-magnitude quake raises questions about California's risk. Experts say California's faults, like San Andreas, can't produce quakes over 8.3 magnitude. The recent quake triggered ...

A new assessment of the enormous Tintina fault suggests it has been slowly accumulating strain over thousands of years.

The 8.8 magnitude megaquake is the joint-sixth largest earthquake ever recorded and the first tsunami waves have already hit ...

Countries with the most earthquakes are often located near the boundaries of tectonic plates, where seismic activity is most ...