M 4.8 earthquake: Philippine Sea (Hamamatsu, Japan) — April 26, 1988

M 4.8 earthquake: Philippine Sea (Hamamatsu, Japan) — April 26, 1988. Epicenter 1121 km SE of Hamamatsu, depth 33 km, 21:42 Local (1988-04-26 11:42 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (1121 km SE of Hamamatsu, Japan) — 25.584, 142.687

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