M 4.6 earthquake: North Pacific Ocean (Japan) — April 21, 2023

M 4.6 earthquake: North Pacific Ocean (Japan) — April 21, 2023. Epicenter 947 km SE of Hamamatsu, depth 56 km, 16:19 Local (2023-04-21 07:19 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (947 km SE, Japan) — 26.806, 141.4023

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