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M3.9 Depth: 50.0 km

M3.9 Earthquake near Sosa, Chiba Prefecture (Japan)

UTC time: 2026-06-26 04:00:30 UTC Local time: —

About this earthquake

On June 26, 2026 at 04:00 UTC, a magnitude M3.9 earthquake occurred near Sosa, Chiba Prefecture (Japan). With a focal depth of about 50 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. Japan: 14 earthquakes were recorded in the past 24 hours, the strongest reaching M5.9.

Details

Magnitude
M3.9
Depth
50.0 km
UTC time
2026-06-26 04:00:30 UTC
Local time
—
Country
Japan
State
Chiba Prefecture
City
Sosa
Source
emsc
Coordinates
35.70000, 140.60000
Temperature
23.7°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 (35.4 km)
Regional average: 35.4 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

  • Hakoneyama
    Distance: 152 km ·Complex ·Elevation: 1'438 m ·Last eruption: 2015 ·Japan
  • Takaharayama
    Distance: 152 km ·Stratovolcano ·Elevation: 1'795 m ·Last eruption: -4570 ·Japan
  • Izu-Oshima
    Distance: 154 km ·Stratovolcano ·Elevation: 746 m ·Last eruption: 1990 ·Japan
  • Nantaisan
    Distance: 155 km ·Stratovolcano ·Elevation: 2'486 m ·Last eruption: -9540 ·Japan
  • Akagisan
    Distance: 158 km ·Stratovolcano ·Elevation: 1'828 m ·Japan
  • Omanago Group
    Distance: 159 km ·Lava dome(s) ·Elevation: 2'341 m ·Last eruption: -3050 ·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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