M 4.6 Earthquake: Philippine Sea (Butuan, Philippines) — April 3, 1983

M 4.6 Earthquake: Philippine Sea (Butuan, Philippines) — April 3, 1983. Epicenter 99 km E of Butuan, depth 59 km, 18:33 Local (1983-04-03 10:33 UTC). Shaking felt by ~2.8M people. Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (99 km E of Butuan, Philippines) — 8.875, 126.44

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