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.
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Magnitude 5.1 earthquake causes reports of shaking in Puerto Rico
A magnitude 5.1 earthquake on Thursday morning in the Atlantic Ocean caused shaking in Puerto Rico.
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-2.5 earthquake shook the Charleston, South Carolina region just after 9:00 p.m. local time on Wednesday, centered ...
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 ...
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