M 4.9 earthquake: North Pacific Ocean (Mexico) — December 30, 1980

M 4.9 earthquake: North Pacific Ocean (Mexico) — December 30, 1980. Epicenter 305 km W of Manzanillo, depth 33 km, 08:55 Local (1980-12-30 15:55 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (305 km W, Mexico) — 18.568, -107.172

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