M 4.5 earthquake: North Pacific Ocean (Japan) — February 28, 2026

M 4.5 earthquake: North Pacific Ocean (Japan) — February 28, 2026. Epicenter 811 km SE of Shizuoka, depth 33 km, 17:42 Local (2026-02-28 08:42 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (811 km SE, Japan) — 28.4031, 142.0768

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