M 4.7 Earthquake: Philippine Sea (Agana, Guam) — May 22, 1973

M 4.7 Earthquake: Philippine Sea (Agana, Guam) — May 22, 1973. Epicenter 178 km W of Agana, depth 87 km, 16:39 Local (1973-05-22 06:39 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (178 km W of Agana, Guam) — 13.104, 143.145

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