Shaking was reported in communities east of Los Angeles early Tuesday afternoon due to a magnitude-3.1 earthquake in Ontario. The quake with a depth of about 3.5 miles was reported at 12:56 p.m ...

New York City was rattled harder than some surrounding areas during last April’s northeast earthquake because of a dangerous, newly discovered fault line that sits at a rare angle — and it ...

A seismic 4.0 magnitude earthquake has rattled parts of Southern California in the early hours of Sunday morning. The earthquake struck at 3:41 a.m. PT in Ontario with an epicenter near the ...

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 ...

The Volunteer State has two active seismic zones: the New Madrid Seismic Zone near the western part of the state, and the ...

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.

and parts of San Diego County. People reported feeling the earthquake from Palmdale to San Diego. The USGS asked people to submit reports of what kind of shaking they may have felt — or didn’t ...

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.

A preliminary 4.0-magnitude earthquake struck near Ontario this morning, according to the U.S. Geological Survey. The quake hit at 3:51 a.m. Sunday with an epicenter of 2.8 miles northwest of Ontario.