M 4.6 Earthquake: Philippine Sea (Cotabato, Philippines) — February 28, 1990

M 4.6 Earthquake: Philippine Sea (Cotabato, Philippines) — February 28, 1990. Epicenter 75 km SW of Cotabato, depth 607 km, 20:21 Local (1990-02-28 12:21 UTC). Shaking felt by ~545K people. Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (75 km SW of Cotabato, Philippines) — 6.791, 123.727

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