The term seismograph usually refers to the combined seismometer and recording device. The first known earthquake detector was invented in 132 A.D. by the Chinese astronomer and mathematician Chang ...

A deeper view that unites instead of divides, connecting why the story matters to you. Behind the news are values that drive people and nations. Explore them here. Discover the values that drive ...

In the U.S., 45 states and territories are at moderate to very high risk of earthquakes. Globally, 81% of earthquakes occur along the world's earthquake belt, the circum-Pacific seismic belt, found ...

A 3.5-magnitude earthquake struck near Ontario this afternoon, according to the U.S. Geological Survey (USGS). The quake hit at 12:56 p.m. with an epicenter 1.24 miles southeast of Ontario.

“Most of those are less than magnitude 2.5 that nobody ever feels,” says Dr. Mitch Withers, an associate research professor at The Center for Earthquake Research Information (CERI) at the ...

California is preparing for the annual ShakeOut earthquake drill, emphasizing the importance of preparedness. It’s not your imagination: The ground beneath Southern California has been ...

WE HAVE A LOOK AT TODAY’S TOP NEWS STORIES, TRAFFIC AND WEATHER ALL BEFORE YOU HEAD OUT THE DOOR. WE’RE STARTING WITH IMPACTS FROM HURRICANE MILTON. TAKE A LOOK AT THIS. I THINK THE CONGRESS ...

A 4.6-magnitude earthquake roiled ocean waters off the coast of Northern California Friday evening. The tremor struck at 7:06 p.m. about 129 miles from Piston River, Oregon, and 157 miles from ...

LOS ANGELES COUNTY, Calif. - A preliminary 3.2 magnitude earthquake struck more than five miles off the Malibu coast Saturday afternoon, according to the United States Geological Survey.

As part of a worldwide effort, the annual Great Oregon ShakeOut took place Thursday morning to encourage people to focus on earthquake preparedness. The ShakeOut occurs on the third Thursday of ...

A magnitude 3.5 earthquake rattled a swath of Southern California on Tuesday, causing light or weak shaking to be felt across the Inland Empire, as well as parts of Los Angeles and Orange counties.

An earthquake with a preliminary magnitude of 3.9 hit the Vancouver, British Columbia, area early Friday morning, according to the Pacific Northwest Seismic Network. The quake occurred just after ...