M 4.6 earthquake near North Atlantic Ocean (Portugal) — 1975-04-22

Magnitude 4.6 earthquake near North Atlantic Ocean (402 km N, Portugal), depth 33 km, 09:13 Local (1975-04-22 11:13 UTC). Shaking felt by 0 people. Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (402 km N, Portugal) — 42.122, -29.249