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M3.1 Depth: 50.0 km

M3.1 Earthquake near NEAR EAST COAST OF HONSHU, JAPAN (Japan)

UTC time: 2025-09-11 18:18:30 UTC Local time: —

About this earthquake

On September 11, 2025 at 18:18 UTC, a magnitude M3.1 earthquake occurred near NEAR EAST COAST OF HONSHU, JAPAN (Japan). The hypocenter lay relatively close to the surface at around 50 km, increasing how strongly it was felt. Shaking of this size is frequently noticed but usually harmless.

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

Details

Magnitude
M3.1
Depth
50.0 km
UTC time
2025-09-11 18:18:30 UTC
Local time
—
Country
Japan
City
tsukuba shi
Source
emsc
Coordinates
36.20000, 140.10000
Temperature
22.1°C

Map

Depth profile

Depth profile Depth: 50 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 50 km
Shallow
50 km
50 km — deeper than 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

  • Takaharayama
    Distance: 83 km ·Stratovolcano ·Elevation: 1'795 m ·Last eruption: -4570 ·Japan
  • Nantaisan
    Distance: 83 km ·Stratovolcano ·Elevation: 2'486 m ·Last eruption: -9540 ·Japan
  • Omanago Group
    Distance: 88 km ·Lava dome(s) ·Elevation: 2'341 m ·Last eruption: -3050 ·Japan
  • Akagisan
    Distance: 91 km ·Stratovolcano ·Elevation: 1'828 m ·Japan
  • Nikko-Shiranesan
    Distance: 93 km ·Shield ·Elevation: 2'578 m ·Last eruption: 1952 ·Japan
  • Nasudake
    Distance: 104 km ·Stratovolcano(es) ·Elevation: 1'915 m ·Last eruption: 1963 ·Japan

Historic earthquake map · Japan

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Country statistics · Japan

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

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