M 4.8 earthquake in Ecuador (Guayaquil) — April 22, 1978

M 4.8 earthquake in Ecuador (Guayaquil) — April 22, 1978. Epicenter 132 km W of Guayaquil, depth 33 km, 20:58 Local (1978-04-23 01:58 UTC). Shaking felt by ~1.1M people. Readings from every reporting agency, affected towns, aftershock sequence.

132 km W of Guayaquil (Ecuador) — -2.089, -81.1

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