M 4.8 earthquake: Philippine Sea (Surigao, Philippines) — December 18, 1989

M 4.8 earthquake: Philippine Sea (Surigao, Philippines) — December 18, 1989. Epicenter 155 km NE of Surigao, depth 33 km, 22:27 Local (1989-12-18 14:27 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (155 km NE of Surigao, Philippines) — 10.536, 126.679

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