M 4.5 earthquake: North Pacific Ocean (Japan) — May 18, 1990

M 4.5 earthquake: North Pacific Ocean (Japan) — May 18, 1990. Epicenter 540 km S of Hamamatsu, depth 422 km, 17:30 Local (1990-05-18 08:30 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (540 km S, Japan) — 29.948, 138.824

EarthquakeLive.org