M5.2 Depth: 336.9 km

M5.2 Earthquake near 163 km S of Ōyama, Japan

UTC time: 2025-12-23 09:44:22 UTC Local time:
M5.2 earthquake near 163 km S of Ōyama, Japan on Dec 23, 2025 — map of epicenter and shaking intensity | QuakeMap24
M5.2 Earthquake near 163 km S of Ōyama, Japan · 2025-12-23 09:44:22 UTC

About this earthquake

On December 23, 2025 at 09:44 UTC, a magnitude M5.2 earthquake occurred near 163 km S of Ōyama, Japan. At roughly 337 km, the focus was very deep, so surface shaking tends to be weaker. Events of this size can cause damage near the epicenter.

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

Details

Magnitude
M5.2
Depth
336.9 km
UTC time
2025-12-23 09:44:22 UTC
Local time
Country
Source
usgs
Coordinates
33.14920, 137.93630
Temperature
18.2°C

Map

Depth profile

Depth profile Depth: 336.9 km (Deep) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 336.9 km
Deep
336.9 km
Why depth matters

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

Depth classes per USGS

Nearby population centers

Distances are straight-line distances from the epicenter. Population data: GeoNames.

PlaceDistanceDirectionPopulation
Omaezaki163.3 kmN31'103
Iwata172.6 kmN166'672
Hamamatsu173.5 kmN791'707

GeoNames · CC BY 4.0

Volcanoes nearby

  • Kozushima
    Distance: 164 km ·Lava dome(s) ·Elevation: 572 m ·Last eruption: 838 ·Japan
  • Kurose Hole
    Distance: 164 km ·Caldera ·Elevation: -114 m ·Japan
  • Hachijojima
    Distance: 170 km ·Stratovolcano(es) ·Elevation: 854 m ·Last eruption: 1606 ·Japan
  • Mikurajima
    Distance: 174 km ·Stratovolcano ·Elevation: 851 m ·Last eruption: -4100 ·Japan
  • Miyakejima
    Distance: 181 km ·Stratovolcano ·Elevation: 775 m ·Last eruption: 2010 ·Japan
  • Niijima
    Distance: 186 km ·Lava dome(s) ·Elevation: 432 m ·Last eruption: 886 ·Japan

Comparison of seismic sources

2 sources currently report magnitudes from M5.0 to M5.2.

Measurements can differ because agencies use different networks and calculation methods. Values may be revised.

SourceMagnitudeDepthPosition difference
USPM5.0324.1 km4.8 km
USGSM5.2336.9 km0.0 km

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#3
Earlier events M≥423
Earlier events M≥58
Compared since2025-02-17

The QuakeMap24 comparison dataset begins on 2024-03-23. Earlier earthquakes may not be included.

Strongest earlier events

Stats (last 24h)

Global (24h)
738
Country (24h)
Current earthquakes in
Magnitude Place Local time
No recent events available.

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