M 4.9 earthquake: Philippine Sea (Davao, Philippines) — March 31, 1973

M 4.9 earthquake: Philippine Sea (Davao, Philippines) — March 31, 1973. Epicenter 135 km SE of Davao, depth 93 km, 09:38 Local (1973-03-31 01:38 UTC). Shaking felt by ~1.7M people. Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (135 km SE of Davao, Philippines) — 6.505, 126.688

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