M 7.2 earthquake near North Atlantic Ocean (Portugal) — 1931-05-20

Magnitude 7.2 earthquake near North Atlantic Ocean (570 km N, Portugal), depth 10 km, 01:22 Local (1931-05-20 02:22 UTC). Shaking felt by ~11.5M people. Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (570 km N, Portugal) — 37.742, -16.165

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