M 5.2 earthquake: Philippine Sea (Agana, Guam) — May 13, 1978

M 5.2 earthquake: Philippine Sea (Agana, Guam) — May 13, 1978. Epicenter 237 km SW of Agana, depth 33 km, 17:54 Local (1978-05-13 07:54 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (237 km SW of Agana, Guam) — 11.873, 143.308

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