M 4.7 earthquake in Ecuador (Manta) — May 21, 1977

M 4.7 earthquake in Ecuador (Manta) — May 21, 1977. Epicenter 60 km S of Manta, depth 33 km, 07:02 Local (1977-05-21 12:02 UTC). Shaking felt by ~1.5M people. Readings from every reporting agency, affected towns, aftershock sequence.

60 km S of Manta (Ecuador) — -1.496, -80.902

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