M 4.7 earthquake near Off the coast of Sonsonate, El Salvador — 1978-08-04

Magnitude 4.7 earthquake near Off the coast of Sonsonate (77 km S, El Salvador), depth 80 km, 04:37 Local (1978-08-04 10:37 UTC). Shaking felt by ~909K people. Readings from every reporting agency, affected towns, aftershock sequence.

Off the coast of Sonsonate (77 km S, El Salvador) — 13.039, -89.846

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