M 5.5 earthquake: North Atlantic Ocean (Panama) — July 5, 1977

M 5.5 earthquake: North Atlantic Ocean (Panama) — July 5, 1977. Epicenter 335 km S of Puerto Armuelles, depth 33 km, 22:42 Local (1977-07-06 04:42 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (335 km S, Panama) — 5.278, -82.651

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