M 4.6 earthquake: Philippine Sea (Butuan, Philippines) — February 26, 1991

M 4.6 earthquake: Philippine Sea (Butuan, Philippines) — February 26, 1991. Epicenter 114 km E of Butuan, depth 60 km, 03:52 Local (1991-02-25 19:52 UTC). Shaking felt by ~1.5M people. Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (114 km E of Butuan, Philippines) — 9.187, 126.549

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