M 4.7 earthquake: Philippine Sea (Butuan, Philippines) — June 21, 1999

M 4.7 earthquake: Philippine Sea (Butuan, Philippines) — June 21, 1999. Epicenter 104 km E of Butuan, depth 55 km, 09:33 Local (1999-06-21 01:33 UTC). Shaking felt by ~3.7M people. Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (104 km E of Butuan, Philippines) — 8.764, 126.47

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