M 4.7 earthquake: Philippine Sea (Surigao, Philippines) — February 12, 1990

M 4.7 earthquake: Philippine Sea (Surigao, Philippines) — February 12, 1990. Epicenter 100 km W of Surigao, depth 64 km, 21:28 Local (1990-02-12 13:28 UTC). Shaking felt by ~1.1M people. Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (100 km W of Surigao, Philippines) — 9.617, 124.591

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