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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.
" o7 T$ w; a; M+ J$ kThe U.S. Geological Survey measured the quake at 6.0, while the Philippine Institute of Volcanology and Seismology (Phivolcs) put it at 6.1. % T4 m% L0 `7 |' _$ h0 n% I* @
It struck in the South China Sea off the west coast of Mindoro island at 2:23 p.m. local (0623 GMT). : Z0 K2 z3 t, w# u/ p
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.
( ~/ F, f. j2 u7 Q4 w2 [% X"It would have to be at least 6.5 magnitude to generate a tsunami," he said over local radio. + V1 M% o: X- \+ q( ~
The earth's disturbance occurred about 50.1 kilometers (31.1 miles) beneath the surface, according to a U.S. Geological Survey advisory. & v3 J- k" Z G4 c! O M
It gave the center at a spot about 30 kilometers off Calintaan, a western Mindoro town of 24,000 people.! w4 t* ~9 `3 X
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