The Pacific Tsunami Warning Center says there's a tsunami threat for both the Philippines and Indonesia. Hazardous waves are possible within about 180 miles of the epicenter, officials said.
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The quake hit east of Pondaguitan at a depth of about 40 miles. No damage or injuries were immediately reported.
The National Weather Service said that no tsunami danger is expected for the U.S. West Coast.
How to make your own earthquake kit
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