Philippine: A strong quake of magnitude 6 on Richter scale jolted Manila and outlying provinces, rousing some people from their sleep, officials say.
Renato Solidum of the Philippine Institute of Volcanology and Seismology says the Sunday-morning quake has a preliminary magnitude of 6 and was most possibly caused by movement in the Manila Trench in the South China Sea off northern Zambales province.
However, there are no immediate reports of damage or injuries.
Mr. Solidum says the quake was not strong enough to generate a tsunami alert.
In 1990, a magnitude 7.7 quake killed nearly 2,000 people in the northern Luzon region.


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