M 4.9 earthquake: Philippine Sea (Capitol Hill, Northern Mariana Islands) — July 4, 1978

M 4.9 earthquake: Philippine Sea (Capitol Hill, Northern Mariana Islands) — July 4, 1978. Epicenter 625 km N of Capitol Hill, depth 50 km, 00:20 Local (1978-07-03 14:20 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (625 km N of Capitol Hill, Northern Mariana Islands) — 20.722, 144.585

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