M 4.9 earthquake: Philippine Sea (Hamamatsu, Japan) — September 8, 1991

M 4.9 earthquake: Philippine Sea (Hamamatsu, Japan) — September 8, 1991. Epicenter 1031 km S of Hamamatsu, depth 56 km, 18:32 Local (1991-09-08 09:32 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (1031 km S of Hamamatsu, Japan) — 25.919, 141.117

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