M 4.6 earthquake in Mexico (Chilpancingo) — July 5, 1978

M 4.6 earthquake in Mexico (Chilpancingo) — July 5, 1978. Epicenter 56 km E of Chilpancingo, depth 69 km, 02:06 Local (1978-07-05 08:06 UTC). Shaking felt by ~714K people. Readings from every reporting agency, affected towns, aftershock sequence.

56 km E of Chilpancingo (Mexico) — 17.377, -99.004

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