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M3.2 Depth: 0.0 km

M3.2 Earthquake near Chikuhoku, Nagano Prefecture (Japan)

UTC time: 2026-07-21 20:45:30 UTC Local time: —

About this earthquake

On July 21, 2026 at 20:45 UTC, a magnitude M3.2 earthquake occurred near Chikuhoku, Nagano Prefecture (Japan). Shaking of this size is frequently noticed but usually harmless.

The data is provided by EMSC and cross-checked across seismological networks. Japan: 4 earthquakes were recorded in the past 24 hours, the strongest reaching M4.0.

Map

Depth profile

Depth profile Depth: 0 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 0 km
Shallow
0 km
0 km — shallower than the regional average (36 km)
Regional average: 36 km
Why depth matters

Shallow quakes release energy near the surface — shaking is felt more strongly and damage potential is higher.

Depth classes per USGS

Volcanoes nearby

  • Midagahara
    Distance: 41 km ·Stratovolcano ·Elevation: 2'621 m ·Last eruption: 1839 ·Japan
  • Yakedake
    Distance: 42 km ·Stratovolcano(es) ·Elevation: 2'455 m ·Last eruption: 1995 ·Japan
  • Akandanayama
    Distance: 44 km ·Stratovolcano ·Elevation: 2'109 m ·Japan
  • Yokodake
    Distance: 45 km ·Stratovolcano(es) ·Elevation: 2'480 m ·Last eruption: 1200 ·Japan
  • Asamayama
    Distance: 47 km ·Complex ·Elevation: 2'568 m ·Last eruption: 2019 ·Japan
  • Norikuradake
    Distance: 52 km ·Stratovolcano(es) ·Elevation: 3'026 m ·Last eruption: -50 ·Japan

Historic earthquake map · Japan

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Explore recent and long-term earthquake activity in this country. Use filters to narrow down by magnitude, depth, and date range.

Country statistics · Japan

Country overview
View earthquake KPIs, strongest and latest events, and averages for this country.

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