M 6.5 earthquake: Philippine Sea (Agana, Guam) — October 24, 1971

M 6.5 earthquake: Philippine Sea (Agana, Guam) — October 24, 1971. Epicenter 314 km SW of Agana, depth 15 km, 10:37 Local (1971-10-24 01:37 UTC). Shaking felt by ~122K people. Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (314 km SW of Agana, Guam) — 11.88, 142.363

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