CHILE (CBS SF ) — The U.S. Geological Survey says a strong and shallow earthquake has struck the Pacific-Antarctic ridge in the middle of the southeastern Pacific, but a tsunami is unlikely.

The USGS says the quake’s epicenter was located 1337 miles north of Mount Siple, Antarctica and 2,418 miles southwest of Puerto Natales, Chile at a depth of 7.5 miles. The quake hit at 8:25 a.m. PDT Tuesday.

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There is no tsunami threat from this earthquake, according to NOAA’s Pacific Tsunami Warning Center in Hawaii and the Japan Meteorological Advisory.

COMPLETE QUAKE COVERAGE: CBS Earthquake Resource Center

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This article will be updated as information warrants, and follow KPIX 5 on Twitter at @CBSSF or KCBS Radio on Twitter at @KCBSNews for updates on breaking news anytime.

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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.
WEST COAST TSUNAMI TRACKING:

Tsunami Alerts & Maps