M 4.6 earthquake: Philippine Sea (Capitol Hill, Northern Mariana Islands) — March 13, 1983

M 4.6 earthquake: Philippine Sea (Capitol Hill, Northern Mariana Islands) — March 13, 1983. Epicenter 755 km N of Capitol Hill, depth 33 km, 08:14 Local (1983-03-12 22:14 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (755 km N of Capitol Hill, Northern Mariana Islands) — 21.759, 143.849

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