Japan – Nagano Prefecture

This page summarizes earthquakes in Nagano Prefecture (Japan). The most recently recorded event was a magnitude M3.2 earthquake near Chikuhoku on 2026-07-21 20:45:30 UTC. All event lists and map markers are limited to the last 30 days.

Earthquakes (last 30 days)
1
Max magnitude (last 30 days)
M3.2
Avg magnitude (last 30 days)
M3.20
Avg depth (last 30 days)
0 km
Seismic activity in 2026

In 2026, Nagano Prefecture recorded 1 earthquakes within Japan.

Located on the Okhotsk Plate.

Map (last 30 days)
< 2 2–4 4–5 ≥ 5
Earthquakes in Nagano Prefecture (last 30 days)
M3.2
Chikuhoku
2026-07-21 · 20:45 UTC · 0 km
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