M 4.8 earthquake in Colombia (Tumaco) — July 18, 1978

M 4.8 earthquake in Colombia (Tumaco) — July 18, 1978. Epicenter 66 km E of Tumaco, depth 91 km, 09:26 Local (1978-07-18 14:26 UTC). Shaking felt by ~544K people. Readings from every reporting agency, affected towns, aftershock sequence.

66 km E of Tumaco (Colombia) — 1.939, -78.231

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