Open Earth
4.2
EarthquakeModerate

M4.2 earthquake near Azumino, Nagano

1854 d ago · 19 Sept 2021, 10:04 UTC 22 km WSW of Hotaka, Japan

What happened

A magnitude 4.2 earthquake struck 22 km WSW of Hotaka, Japan on 19 Sept 2021, 10:04 UTC at a depth of 7 km.

Earthquakes of this size are classed as Light. Widely felt nearby; objects may shake or fall. Significant damage is unusual. This was a shallow earthquake, which tends to be felt more strongly at the surface.

The nearest town in our records is Azumino, about 22 km away in Nagano, Japan.

Timeline

  1. First reported by USGS

    17 Oct 2026, 10:23 UTC

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