M 4.7 earthquake: Philippine Sea (Butuan, Philippines) — March 27, 1978

M 4.7 earthquake: Philippine Sea (Butuan, Philippines) — March 27, 1978. Epicenter 80 km E of Butuan, depth 65 km, 03:06 Local (1978-03-26 19:06 UTC). Shaking felt by ~3.1M people. Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (80 km E of Butuan, Philippines) — 9.161, 126.237

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