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M3.8 Depth: 50.0 km

M3.8 Earthquake near Asahi, Chiba Prefecture (Japan)

UTC time: 2026-07-02 07:17:30 UTC Local time: —

About this earthquake

A magnitude M3.8 earthquake was recorded near Asahi, Chiba Prefecture (Japan) on July 2, 2026 at 07:17 UTC. The hypocenter lay relatively close to the surface at around 50 km, increasing how strongly it was felt. 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
50.0 km
UTC time
2026-07-02 07:17:30 UTC
Local time
—
Country
Japan
State
Chiba Prefecture
City
Asahi
Source
emsc
Coordinates
35.70000, 140.70000
Temperature
22.4°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 (35.9 km)
Regional average: 35.9 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: 157 km ·Stratovolcano ·Elevation: 1'795 m ·Last eruption: -4570 ·Japan
  • Nantaisan
    Distance: 161 km ·Stratovolcano ·Elevation: 2'486 m ·Last eruption: -9540 ·Japan
  • Hakoneyama
    Distance: 161 km ·Complex ·Elevation: 1'438 m ·Last eruption: 2015 ·Japan
  • Izu-Oshima
    Distance: 161 km ·Stratovolcano ·Elevation: 758 m ·Last eruption: 1990 ·Japan
  • Omanago Group
    Distance: 165 km ·Lava dome(s) ·Elevation: 2'341 m ·Last eruption: -3050 ·Japan
  • Akagisan
    Distance: 166 km ·Stratovolcano ·Elevation: 1'828 m ·Japan

Historic earthquake map · Japan

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Country statistics · Japan

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

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