But in Southern California’s Imperial Valley, the earth has been shaking. In less than a day, more than 40 earthquakes shook the area around Holtville, the largest of which had a magnitude of 4.4. While many of these earthquakes were not noticed by locals,

SAN FRANCISCO – Was that an earthquake you just felt or merely a big truck rumbling by? You don't have to wonder – the U.S. Geological Survey is on the case and can almost immediately tell you whether there's been an earthquake nearby. You can also be ...

HONOLULU (Island News) -- A powerful 7.8 magnitude earthquake struck near the southern tip of South America in the Drake Passage on Friday morning, but officials say there is no tsunami threat to Hawai‘i. The quake happened at 10:29 a.m. (Hawai‘i time ...

The first earthquake struck while the town was still asleep. Around 2:00 am on Dec. 16, 1811, New Madrid—a small frontier settlement of 400 people on land now located in Missouri—was jolted awake. Panicked townsfolk fled their homes as buildings ...

As Oklahoma reels from more than 70 earthquakes over the last week, authorities are calling on energy companies to limit how much waste is injected into the ground. The largest of the earthquakes hit a rural part of the state northwest of Oklahoma City on ...

In the U.S., this preparation hinges in large part on the expertise of scientists and engineers in federal agencies who develop earthquake hazard models and contribute to the creation of building codes designed to ensure homes, high-rises, and other ...

A 6.2 magnitude earthquake struck off the coast of Oregon in the US on Thursday, according to the German Research Centre for Geosciences. The quake oc.