M 4.5 earthquake: Philippine Sea (Capitol Hill, Northern Mariana Islands) — October 23, 1981

M 4.5 earthquake: Philippine Sea (Capitol Hill, Northern Mariana Islands) — October 23, 1981. Epicenter 1123 km N of Capitol Hill, depth 78 km, 10:53 Local (1981-10-23 01:53 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (1123 km N of Capitol Hill, Northern Mariana Islands) — 24.553, 141.659

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