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M4.9 Depth: 39.0 km

M4.9 Earthquake near Off East Coast of Honshu, Japan

UTC time: 2025-12-18 05:20:10 UTC Local time: —

About this earthquake

On December 18, 2025 at 05:20 UTC, a magnitude M4.9 earthquake occurred near Off East Coast of Honshu, Japan. The hypocenter lay relatively close to the surface at around 39 km, increasing how strongly it was felt. Earthquakes of this magnitude are clearly felt; minor damage to vulnerable buildings is possible.

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

Details

Magnitude
M4.9
Depth
39.0 km
UTC time
2025-12-18 05:20:10 UTC
Local time
—
Country
—
Source
gfz
Coordinates
39.73000, 143.14000
Temperature
5.8°C

Map

Depth profile

Depth profile Depth: 39 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 39 km
Shallow
39 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

  • Iwatesan
    Distance: 183 km ·Complex ·Elevation: 2'038 m ·Last eruption: 1919 ·Japan
  • Hachimantai
    Distance: 197 km ·Stratovolcano ·Elevation: 1'613 m ·Last eruption: -5350 ·Japan
  • Akita-Komagatake
    Distance: 200 km ·Stratovolcano(es) ·Elevation: 1'637 m ·Last eruption: 1971 ·Japan
  • Akita-Yakeyama
    Distance: 205 km ·Stratovolcano ·Elevation: 1'366 m ·Last eruption: 1997 ·Japan
  • Towada
    Distance: 211 km ·Caldera ·Elevation: 1'011 m ·Last eruption: 915 ·Japan
  • Hakkodasan
    Distance: 218 km ·Stratovolcano(es) ·Elevation: 1'585 m ·Last eruption: 1550 ·Japan

Stats (last 24h)

Global (24h)
653
Country (24h)
—
—
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