M 5.1 earthquake: Philippine Sea (Surigao, Philippines) — December 14, 1991

M 5.1 earthquake: Philippine Sea (Surigao, Philippines) — December 14, 1991. Epicenter 85 km E of Surigao, depth 83 km, 02:55 Local (1991-12-13 18:55 UTC). Shaking felt by ~1.1M people. Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (85 km E of Surigao, Philippines) — 9.859, 126.258

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