M 4.7 earthquake: Philippine Sea (Hamamatsu, Japan) — July 4, 1983

M 4.7 earthquake: Philippine Sea (Hamamatsu, Japan) — July 4, 1983. Epicenter 1148 km S of Hamamatsu, depth 183 km, 02:47 Local (1983-07-03 17:47 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (1148 km S of Hamamatsu, Japan) — 24.856, 141.249

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