Japan eases back tsunami warning after magnitude 7.7 quake
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A 7.7 magnitude earthquake Monday off northern Japan sparked a short-lived tsunami alert and an advisory of a slightly higher risk of a possible megaquake.
After a magnitude 7.7 earthquake struck of the coast of Japan and set off tsunami warnings, there’s an elevated risk of a “megaquake” following in its wake
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. Magnitude illustrates the strength of an earthquake ...
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 rattled the same area. The first temblor was reported at 10: ...
A minor, 3.5-magnitude earthquake struck in Southern California on Wednesday, according to the United States Geological Survey. The temblor happened at 7:51 a.m. Pacific time about 15 miles southwest of Maricopa, Calif., data from the agency shows.