M 7.4 earthquake near North Pacific Ocean (Japan) — 1984-03-06

Magnitude 7.4 earthquake near North Pacific Ocean (604 km S, Japan), depth 457 km, 11:17 Local (1984-03-06 02:17 UTC). Shaking felt by ~67.3M people. Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (604 km S, Japan) — 29.384, 138.935