M 4.6 earthquake: Philippine Sea (Capitol Hill, Northern Mariana Islands) — July 3, 1978

M 4.6 earthquake: Philippine Sea (Capitol Hill, Northern Mariana Islands) — July 3, 1978. Epicenter 646 km N of Capitol Hill, depth 33 km, 12:51 Local (1978-07-03 02:51 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (646 km N of Capitol Hill, Northern Mariana Islands) — 20.826, 144.198

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