M 4.7 earthquake: Philippine Sea (Capitol Hill, Northern Mariana Islands) — December 29, 1981

M 4.7 earthquake: Philippine Sea (Capitol Hill, Northern Mariana Islands) — December 29, 1981. Epicenter 718 km N of Capitol Hill, depth 33 km, 02:37 Local (1981-12-28 16:37 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (718 km N of Capitol Hill, Northern Mariana Islands) — 21.36, 143.659

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