M 4.6 earthquake in Colombia (Bucaramanga) — December 6, 1977

M 4.6 earthquake in Colombia (Bucaramanga) — December 6, 1977. Epicenter 45 km SE of Bucaramanga, depth 168 km, 05:23 Local (1977-12-06 10:23 UTC). Shaking felt by ~699K people. Readings from every reporting agency, affected towns, aftershock sequence.

45 km SE of Bucaramanga (Colombia) — 6.773, -72.944

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