Magnitude 7.1 Earthquake Strikes Off Guam, No Tsunami Reported

SAN FRANCISCO (CBS SF) -- An earthquake registering a preliminary magnitude of 7.1 struck off the coast of Guam in the Pacific Ocean on Wednesday, according to the U.S. Geological Survey's automated seismograph alert network.

The earthquake struck shortly after 4 p.m. Wednesday local time (11 p.m. Tuesday Pacific Time), about 30 miles northwest of the capital Hagatna, at a depth of 83.2 miles.

According the Pacific Tsunami Warning Center, a tsunami was not generated because the earthquake was located too deep inside the earth.

The Pacific Daily News of Guam said there are no reports of injuries or damage resulting from the quake.

COMPLETE QUAKE COVERAGE: CBS Earthquake Resource Center

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Strong earthquakes with an epicenter off the coast can trigger tsunamis, depending on the size and type of the fault movement. The Pacific Tsunami Warning Center tracks earthquake data for the West Coast.
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