It’s been a full week of earthquakes in California, including a 4.1 near Templeton that triggered an alert for residents.

An earthquake with a preliminary magnitude of 3.2 struck 1.8 miles south-southwest of Colma at 5:03 p.m. Friday, the U.S. Geological Survey said.

Since the magnitude 4.0 event, two smaller quakes—located deeper in Earth’s crust than the larger one—have already occurred: first a 2.7 magnitude tremor just to the northeast, then a 3.6 magnitude ...

Millions of residents, students and office workers across the state will “drop, cover and hold on” Thursday morning as part of the 17th annual Great California ShakeOut drill aimed at promoting ...

Alaska is the most earthquake-prone state in the U.S. and one of the most seismically active regions in the world, according ...

A new kind of earthquake has been detected in western Canada, one that shakes the ground slower and longer than typical seismic events. These earthquakes, recorded during hydraulic fracturing for oil ...

After the 1975 earthquake, there was a greater emphasis on monitoring the motion of the south flank. Hawaiian Volcano ...

While some experts point to the ancient Ramapo Fault as the main seismic risk in New Jersey, Dr. Alexander Gates, a geologist and professor at Rutgers University has a different theory. NJ Spotlight ...