M 5.0 earthquake: North Pacific Ocean (Philippines) — September 17, 1980

M 5.0 earthquake: North Pacific Ocean (Philippines) — September 17, 1980. Epicenter 260 km NE of Laoag, depth 81 km, 05:00 Local (1980-09-16 21:00 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (260 km NE, Philippines) — 20.216, 121.838

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