M 5.2 earthquake: Philippine Sea (Butuan, Philippines) — May 7, 1977

M 5.2 earthquake: Philippine Sea (Butuan, Philippines) — May 7, 1977. Epicenter 127 km E of Butuan, depth 62 km, 04:46 Local (1977-05-06 19:46 UTC). Shaking felt by ~4.4M people. Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (127 km E of Butuan, Philippines) — 9.136, 126.688

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