M 6.2 earthquake: Philippine Sea (Agana, Guam) — March 4, 1970

M 6.2 earthquake: Philippine Sea (Agana, Guam) — March 4, 1970. Epicenter 172 km SW of Agana, depth 18 km, 13:30 Local (1970-03-04 03:30 UTC). Shaking felt by ~122K people. Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (172 km SW of Agana, Guam) — 12.218, 143.811

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