Strong quake strikes off southeast Philippines - USGS

An earthquake measuring 6.1 magnitude struck in the ocean off the southeast of the Philippines on Monday, the U.S. Geological Survey said.

There were no immediate reports of damage.

The quake struck 236 km (146 miles) east southeast of General Santos on the southern island of Mindanao.

Hundreds of residents of coastal areas in a province south of the capital fled to higher ground fearing a tsunami on Saturday after a series of earthquakes on the main island of Luzon.

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