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Japan

M4.2 Earthquake near 13 km SW of Obama, Japan (Japan)

UTC time: 2025-12-26 21:09:37 UTC Local time: —

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About this earthquake

A magnitude M4.2 earthquake was recorded near 13 km SW of Obama, Japan (Japan) on December 26, 2025 at 21:09 UTC. At roughly 357 km, the focus was very deep, so surface shaking tends to be weaker. Earthquakes of this magnitude are clearly felt; minor damage to vulnerable buildings is possible.

The event was recorded by USGS.

Details

ID
95e3c5cd5205d9eec039f8aac68438e1a896973d
Magnitude
M4.2
Depth
357.3 km
UTC time
2025-12-26 21:09:37 UTC
Local time
—
Country
Japan
City
ooi ting
Source
usgs
Coordinates
35.39640, 135.65620
Temperature
1.9°C

Depth profile

Depth profile Depth: 357.3 km (Deep) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 357.3 km
Deep
357.3 km
357.3 km — deeper than the regional average (33.7 km)
Regional average: 33.7 km
Why depth matters

Deep quakes are felt over very large areas but rarely cause surface damage.

Depth classes per USGS

Volcanoes nearby

  • Hakusan
    Distance: 131 km ·Stratovolcano ·Elevation: 2'702 m ·Last eruption: 1659 ·Japan
  • Ontakesan
    Distance: 174 km ·Complex ·Elevation: 3'067 m ·Last eruption: 2014 ·Japan
  • Norikuradake
    Distance: 189 km ·Stratovolcano(es) ·Elevation: 3'026 m ·Last eruption: -50 ·Japan
  • Akandanayama
    Distance: 195 km ·Stratovolcano ·Elevation: 2'109 m ·Japan
  • Yakedake
    Distance: 197 km ·Stratovolcano(es) ·Elevation: 2'455 m ·Last eruption: 1995 ·Japan
  • Midagahara
    Distance: 218 km ·Stratovolcano ·Elevation: 2'621 m ·Last eruption: 1839 ·Japan

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Nuclear power plants

  • Ohi nuclear power plantJapanOperating at dataset date · Permanently shut downReactor units at site: 4
    16.2 kmStraight-line distance
  • Takahama nuclear power plantJapanOperating at dataset dateReactor units at site: 4
    19.7 kmStraight-line distance
  • Mihama nuclear power plantJapanOperating at dataset date · Permanently shut downReactor units at site: 3
    43.9 kmStraight-line distance

Source: Global Energy Monitor · Global Nuclear Power Tracker · Dataset date: 2026-08

This selection shows geographic proximity, not a hazard zone or confirmed impacts. Distances use recorded site coordinates. Sources & data dates

Japan

Context for this earthquake

05 Oct 2025 – 05 Oct 2026 · M ≥ 3.0 · 968 Catalogue entries

Sufficiently reliable matching data are not currently available for a direct comparison. The area profile shows the available records and their limitations.

Open seismic profile

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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