M 7.8 earthquake near North Pacific Ocean (Japan) — 1963-10-20

Magnitude 7.8 earthquake near North Pacific Ocean (532 km NE, Japan), depth 28 km, 10:53 Local (1963-10-20 00:53 UTC). Shaking felt by ~8.9M people. Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (532 km NE, Japan) — 44.726, 150.547

EarthquakeLive.org