M 5.4 earthquake: Philippine Sea (Capitol Hill, Northern Mariana Islands) — August 20, 1973

M 5.4 earthquake: Philippine Sea (Capitol Hill, Northern Mariana Islands) — August 20, 1973. Epicenter 767 km N of Capitol Hill, depth 326 km, 05:29 Local (1973-08-19 19:29 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (767 km N of Capitol Hill, Northern Mariana Islands) — 21.571, 142.924

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