M 6.3 earthquake: Philippine Sea (Capitol Hill, Northern Mariana Islands) — May 21, 1957

M 6.3 earthquake: Philippine Sea (Capitol Hill, Northern Mariana Islands) — May 21, 1957. Epicenter 753 km N of Capitol Hill, depth 102 km, 11:12 Local (1957-05-21 01:12 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (753 km N of Capitol Hill, Northern Mariana Islands) — 21.827, 144.215

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