M 5.0 earthquake: Philippine Sea (Surigao, Philippines) — December 18, 1989

M 5.0 earthquake: Philippine Sea (Surigao, Philippines) — December 18, 1989. Epicenter 105 km E of Surigao, depth 25 km, 18:26 Local (1989-12-18 10:26 UTC). Shaking felt by ~1.5M people. Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (105 km E of Surigao, Philippines) — 10.035, 126.413

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