M 4.5 Earthquake: Philippine Sea (Butuan, Philippines) — February 18, 1991

M 4.5 Earthquake: Philippine Sea (Butuan, Philippines) — February 18, 1991. Epicenter 118 km E of Butuan, depth 33 km, 16:15 Local (1991-02-18 08:15 UTC). Shaking felt by ~2.5M people. Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (118 km E of Butuan, Philippines) — 8.844, 126.611

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