M4.6 intermediate-depth earthquake — 91 km S of Koshima, Japan

Date/Time (UTC): Mon, 23 Mar 2026 12:39:46 GMT

Magnitude: 4.6 — light — felt widely, minor damage possible near epicenter

Depth: 40 km (intermediate-depth)

Coordinates: 29.4145°N, 130.6161°E

Data source: US Geological Survey (USGS) — Global

Intermediate-depth earthquakes (30–100km) are felt over a wider area but with less intensity at the surface compared to shallow events.

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Source URL: https://quakenear.me/earthquake/usgs_us6000sivm