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Japan

M4.3 Earthquake near 20 km SSE of Kushima, Japan (Japan)

UTC time: 2025-12-06 08:15:01 UTC Local time: —

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About this earthquake

On December 6, 2025 at 08:15 UTC, a magnitude M4.3 earthquake occurred near 20 km SSE of Kushima, Japan (Japan). The hypocenter lay relatively close to the surface at around 54 km, increasing how strongly it was felt. Tremors of this size are distinctly felt and can occasionally cause light damage.

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

Details

ID
592299defa95c0464e205905cac96552fad75c4b
Magnitude
M4.3
Depth
53.7 km
UTC time
2025-12-06 08:15:01 UTC
Local time
—
Country
Japan
City
chuan jian shi
Source
usgs
Coordinates
31.33520, 131.35750
Temperature
14.7°C

Depth profile

Depth profile Depth: 53.7 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 53.7 km
Shallow
53.7 km
53.7 km — deeper than the regional average (33.7 km)
Regional average: 33.7 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

  • Aira Activity reported
    Distance: 72 km ·Caldera ·Elevation: 1'117 m ·Last eruption: 2026 ·Japan
  • Ata
    Distance: 81 km ·Caldera(s) ·Elevation: 924 m ·Last eruption: 885 ·Japan
  • Kirishimayama
    Distance: 81 km ·Shield ·Elevation: 1'700 m ·Last eruption: 2025 ·Japan
  • Yonemaru-Sumiyoshiike
    Distance: 87 km ·Maar(s) ·Elevation: 40 m ·Last eruption: -6200 ·Japan
  • Kikai
    Distance: 117 km ·Caldera ·Elevation: 704 m ·Last eruption: 2025 ·Japan
  • Kuchinoerabujima
    Distance: 147 km ·Stratovolcano(es) ·Elevation: 657 m ·Last eruption: 2020 ·Japan

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.

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Historic earthquake map · Japan

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