M 4.7 earthquake in Mexico (Tehuacan) — December 26, 1977

M 4.7 earthquake in Mexico (Tehuacan) — December 26, 1977. Epicenter 36 km SE of Tehuacan, depth 67 km, 01:27 Local (1977-12-26 07:27 UTC). Shaking felt by ~1.8M people. Readings from every reporting agency, affected towns, aftershock sequence.

36 km SE of Tehuacan (Mexico) — 18.27, -97.1

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