M 4.8 earthquake: Philippine Sea (Surigao, Philippines) — February 11, 1990

M 4.8 earthquake: Philippine Sea (Surigao, Philippines) — February 11, 1990. Epicenter 52 km W of Surigao, depth 31 km, 17:56 Local (1990-02-11 09:56 UTC). Shaking felt by ~2.2M people. Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (52 km W of Surigao, Philippines) — 9.849, 125.015

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