M 4.9 earthquake: Philippine Sea (Capitol Hill, Northern Mariana Islands) — August 12, 1984

M 4.9 earthquake: Philippine Sea (Capitol Hill, Northern Mariana Islands) — August 12, 1984. Epicenter 933 km N of Capitol Hill, depth 33 km, 20:34 Local (1984-08-12 10:34 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (933 km N of Capitol Hill, Northern Mariana Islands) — 23.37, 143.69

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