M 4.7 earthquake near North Atlantic Ocean (Portugal) — 1974-09-21

Magnitude 4.7 earthquake near North Atlantic Ocean (623 km W, Portugal), depth 33 km, 07:19 Local (1974-09-21 09:19 UTC). Shaking felt by 0 people. Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (623 km W, Portugal) — 37.639, -35.677

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