M 5.2 Earthquake: Philippine Sea (Butuan, Philippines) — December 21, 1976

M 5.2 Earthquake: Philippine Sea (Butuan, Philippines) — December 21, 1976. Epicenter 103 km E of Butuan, depth 70 km, 12:17 Local (1976-12-21 04:17 UTC). Shaking felt by ~6.1M people. Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (103 km E of Butuan, Philippines) — 8.973, 126.477

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