There have been no immediate reports of damage or injuries and there is no tsunami warning.

A magnitude 5.2 earthquake, centered about 18 miles southwest of Bakersfield, was felt across a wide swath of Southern California on Tuesday night. Its size rattled nerves but caused no major damage ...

A 4.7-magnitude earthquake struck near Malibu on Thursday morning, according to the U.S. Geological Survey. The quake happened at 7:28 a.m., with an epicenter 3.5 miles northwest of Malibu. Shaking ...

What does “moment magnitude” mean, and how do scientists determine the strength of a rupture in the earth? By Henry Fountain Henry Fountain spent a quarter century covering science for The Times. He ...

A magnitude 4.3 earthquake rumbled through Muscoy in San Bernardino County on Thursday morning, triggering shaking across the Inland Empire, Los Angeles and Orange counties, according to the U.S.

The East Tennessee earthquake on May 10 was one of the strongest to hit the region since 1900. The East Tennessee Seismic Zone is an active one, even if it isn't known to produce quakes strong enough ...

An earthquake with a magnitude of 4.7 jolted the Los Angeles area on Thursday morning, and its impact was felt by millions of people across the region. According to the U.S. Geological Survey, the ...

The first observer to catalog differences in star brightnesses was Greek astronomer Hipparchus. He created a catalog around 135 B.C.E. of roughly 850 stars divided into six ranges. He called the ...