M 5.0 earthquake: Philippine Sea (Butuan, Philippines) — February 18, 1991

M 5.0 earthquake: Philippine Sea (Butuan, Philippines) — February 18, 1991. Epicenter 107 km E of Butuan, depth 33 km, 10:52 Local (1991-02-18 02:52 UTC). Shaking felt by ~5.9M people. Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (107 km E of Butuan, Philippines) — 8.982, 126.515

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