M 4.6 earthquake in Japan (Nagano) — September 14, 1987

M 4.6 earthquake in Japan (Nagano) — September 14, 1987. Epicenter 40 km NE of Nagano, depth 28 km, 04:13 Local (1987-09-13 19:13 UTC). Shaking felt by ~4.3M people. Readings from every reporting agency, affected towns, aftershock sequence.

40 km NE of Nagano (Japan) — 36.947, 138.423

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