M 4.5 earthquake: North Pacific Ocean (Japan) — December 15, 2021

M 4.5 earthquake: North Pacific Ocean (Japan) — December 15, 2021. Epicenter 509 km SE of Yokohama, depth 10 km, 16:11 Local (2021-12-15 07:11 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (509 km SE, Japan) — 31.4123, 142.2197

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