M 4.5 earthquake in Guatemala (Mazatenango) — July 7, 1977

M 4.5 earthquake in Guatemala (Mazatenango) — July 7, 1977. Epicenter 63 km S of Mazatenango, depth 85 km, 04:56 Local (1977-07-07 10:56 UTC). Shaking felt by ~814K people. Readings from every reporting agency, affected towns, aftershock sequence.

63 km S of Mazatenango (Guatemala) — 13.967, -91.521

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