M 4.6 earthquake: North Pacific Ocean (Japan) — May 17, 1987

M 4.6 earthquake: North Pacific Ocean (Japan) — May 17, 1987. Epicenter 373 km E of Kitami, depth 33 km, 22:59 Local (1987-05-17 12:59 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (373 km E, Japan) — 44.679, 148.435

EarthquakeLive.org