Back to map
M3.8 Depth: 40.0 km

M3.8 Earthquake near NEAR EAST COAST OF HONSHU, JAPAN (Japan)

UTC time: 2025-10-21 05:20:30 UTC Local time: —

About this earthquake

A magnitude M3.8 earthquake was recorded near NEAR EAST COAST OF HONSHU, JAPAN (Japan) on October 21, 2025 at 05:20 UTC. With a focal depth of about 40 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this magnitude are often felt but rarely cause damage.

The data is provided by EMSC and cross-checked across seismological networks.

Details

Magnitude
M3.8
Depth
40.0 km
UTC time
2025-10-21 05:20:30 UTC
Local time
—
Country
Japan
City
da chuan du shi
Source
emsc
Coordinates
38.90000, 142.10000
Temperature
13.6°C

Map

Depth profile

Depth profile Depth: 40 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 40 km
Shallow
40 km
40 km — close to the regional average (35.3 km)
Regional average: 35.3 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

  • Kurikomayama
    Distance: 114 km ·Stratovolcano ·Elevation: 1'627 m ·Last eruption: 1950 ·Japan
  • Naruko
    Distance: 120 km ·Caldera ·Elevation: 470 m ·Last eruption: 837 ·Japan
  • Iwatesan
    Distance: 142 km ·Complex ·Elevation: 2'038 m ·Last eruption: 1919 ·Japan
  • Akita-Komagatake
    Distance: 147 km ·Stratovolcano(es) ·Elevation: 1'637 m ·Last eruption: 1971 ·Japan
  • Hachimantai
    Distance: 159 km ·Stratovolcano ·Elevation: 1'613 m ·Last eruption: -5350 ·Japan
  • Akita-Yakeyama
    Distance: 165 km ·Stratovolcano ·Elevation: 1'366 m ·Last eruption: 1997 ·Japan

Historic earthquake map · Japan

Open history map
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.

Share