M 5.5 earthquake: Philippine Sea (Agana, Guam) — May 15, 1998

M 5.5 earthquake: Philippine Sea (Agana, Guam) — May 15, 1998. Epicenter 172 km SW of Agana, depth 33 km, 10:02 Local (1998-05-15 00:02 UTC). Shaking felt by ~122K people. Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (172 km SW of Agana, Guam) — 12.206, 143.842

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