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7.6-mag. quake hits off eastern Philippines

A U.S. Geological Survey map shows the location of an earthquake that struck the waters off the shore of the eastern Philippines on Friday, Aug. 31, 2012. (usgs.gov)

August 31, 2012 12:00:00 AM PDT
A 7.6-magnitude earthquake hit the waters off the shore of the eastern Philippines on Friday, according to the U.S. Geological Survey.

The temblor was centered 66 miles east of Samar Island and hit at a depth of 21.7 miles. The quake had a preliminary magnitude of 7.9, but it has since been downgraded.

Officials said at least one house collapsed in southern Cagayan de Oro city, killing a 54-year-old woman and injuring her 5-year-old grandson. Power was knocked out in several Philippine cities.

A tsunami alert was temporarily in effect for the Philippines, Indonesia, Taiwan, Japan, Guam, the Northern Marianas and Papua New Guinea.