M 5.2 earthquake: Philippine Sea (Agana, Guam) — February 21, 1983

M 5.2 earthquake: Philippine Sea (Agana, Guam) — February 21, 1983. Epicenter 153 km SW of Agana, depth 40 km, 06:46 Local (1983-02-20 20:46 UTC). Shaking felt by ~122K people. Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (153 km SW of Agana, Guam) — 12.282, 144.045

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