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A strong quake struck at sea off the central Philippines on Friday, but there were no immediate reports of casualties or damage, seismologists said.
* ~ \; M4 V$ d8 z- GThe U.S. Geological Survey measured the quake at 6.0, while the Philippine Institute of Volcanology and Seismology (Phivolcs) put it at 6.1.
- Y% |4 g# q# m- X2 ZIt struck in the South China Sea off the west coast of Mindoro island at 2:23 p.m. local (0623 GMT). ; f. F3 F+ ]- C8 Z# I
Local seismologist Ismael Narag said the quake generated enough potential power to unleash big waves, but added that the authorities did not think it was capable of triggering a tsunami so Phivolcs issued no warning.
7 g' |! {2 x2 q; h4 c# d"It would have to be at least 6.5 magnitude to generate a tsunami," he said over local radio. 4 S# t1 F: e# d1 X
The earth's disturbance occurred about 50.1 kilometers (31.1 miles) beneath the surface, according to a U.S. Geological Survey advisory. 8 _6 m2 r \% [+ J( _ C0 |
It gave the center at a spot about 30 kilometers off Calintaan, a western Mindoro town of 24,000 people.
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