Earthquakes and seismic activity often happen with sudden movements underground with tectonic plates. Seismographs are used by scientists to measure the time, location and strength of an earthquake.
On July 29, 2025, a magnitude 8.8 earthquake occurred near the Kamchatka Peninsula. It was so powerful that it ranks as the ...
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 minor, 3.3-magnitude earthquake struck in Southern California on Monday, according to the United States Geological Survey.
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 ...
More than a dozen aftershocks followed a 3.9-magnitude earthquake that struck the Inland Empire Saturday — a quake that was felt by many and reported just 30 minutes after a 3.5-magnitude quake ...
A 4.4-magnitude earthquake struck about 2.5 miles south of the Los Angeles neighborhood of Highland Park Monday, according to the U.S. Geological Survey. It was reported at about 12:20 p.m. and felt ...
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