M 4.8 earthquake in Mexico (Oaxaca) — July 20, 1979

M 4.8 earthquake in Mexico (Oaxaca) — July 20, 1979. Epicenter 70 km NW of Oaxaca, depth 69 km, 21:53 Local (1979-07-21 03:53 UTC). Shaking felt by ~1.6M people. Readings from every reporting agency, affected towns, aftershock sequence.

70 km NW of Oaxaca (Mexico) — 17.601, -97.045

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