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6.7-Magnitude Earthquake Rocks Papua New Guinea; Tsunami Unlikely

UPDATE: The U.S. Geological  Survey later decreased the quake magnitude to 6.7 from the initially reported 6.8.

PAPA NEW GUINEA (CBS SF ) — The U.S. Geological Survey says a strong earthquake has struck in Papua New Guinea, but a tsunami is unlikely.

The USGS says the quake's epicenter was located 81 miles (131 kilometers) southeast of Kokopo, Papua New Guinea and was at a depth of 37 miles (60 kilometers). The quake hit at 3:45 p.m. PDT Thursday.

There is no tsunami threat from this earthquake, according to NOAA's Pacific Tsunami Warning Center in Hawaii.

On March 30, a magnitude 7.7 earthquake in Papua New Guinea prompted a tsunami warning. A tsunami of two feet was measured in the harbor of Rabaul, a town near the epicenter of the earthquake. No damage was reported.

COMPLETE QUAKE COVERAGE: CBS Earthquake Resource Center

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.
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