M 4.7 earthquake: Philippine Sea (Butuan, Philippines) — March 7, 1991

M 4.7 earthquake: Philippine Sea (Butuan, Philippines) — March 7, 1991. Epicenter 134 km E of Butuan, depth 63 km, 18:58 Local (1991-03-07 10:58 UTC). Shaking felt by ~1.4M people. Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (134 km E of Butuan, Philippines) — 8.957, 126.767

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