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M5.6 Earthquake near 99 km E of Yokohama, Japan

UTC time: 2025-12-25 16:17:43 UTC Local time: —
Earthquake newsQuakeMap24
Archive record · original publication time was not recorded

Automatically generated from measurement data by QuakeMap24. Values may change after further analysis.

Magnitude
M5.6
Depth
61.6 km
Source
USGS

99 km E of Yokohama, Japan

Map

M5.6 Earthquake near 99 km E of Yokohama, Japan · 2025-12-25 — Map showing the location of the epicenter
M5.6 Earthquake near 99 km E of Yokohama, Japan · 2025-12-25 — Map showing the location of the epicenter

About this earthquake

A magnitude M5.6 earthquake was recorded near 99 km E of Yokohama, Japan on December 25, 2025 at 16:17 UTC. The hypocenter lay relatively close to the surface at around 62 km, increasing how strongly it was felt. Events of this size can cause damage near the epicenter.

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

Details

ID
89c325206a87c3a56d0a70241fb7d80dba67e2da
Magnitude
M5.6
Depth
61.6 km
UTC time
2025-12-25 16:17:43 UTC
Local time
—
Country
—
Source
usgs
Coordinates
41.22220, 142.41800
Temperature
4.7°C

Depth profile

Depth profile Depth: 61.6 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 61.6 km
Shallow
61.6 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

Nearby population centers

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

PlaceDistanceDirectionPopulation
Mutsu100.7 kmW56'244
Hachinohe111.4 kmSW239'046
Sapporo223.2 kmNW1'973'832

GeoNames · CC BY 4.0

Volcanoes nearby

  • Osorezan
    Distance: 109 km ·Stratovolcano ·Elevation: 878 m ·Last eruption: 1787 ·Japan
  • Esan
    Distance: 123 km ·Lava dome(s) ·Elevation: 617 m ·Last eruption: 1874 ·Japan
  • Hakkodasan
    Distance: 144 km ·Stratovolcano(es) ·Elevation: 1'584 m ·Last eruption: 1550 ·Japan
  • Towada
    Distance: 152 km ·Caldera ·Elevation: 1'011 m ·Last eruption: 915 ·Japan
  • Hokkaido-Komagatake
    Distance: 172 km ·Stratovolcano ·Elevation: 1'131 m ·Last eruption: 2000 ·Japan
  • Kuttara
    Distance: 175 km ·Stratovolcano(es) ·Elevation: 549 m ·Last eruption: 1820 ·Japan

Radius · 100 km

Nearby infrastructure

Up to 3 nearest sites per category

Nuclear power plants

  • Higashidori (Tohoku) nuclear power plantJapanOut of operationReactor units at site: 1
    86.1 kmStraight-line distance
  • Higashidori (Tepco) nuclear power plantJapanOut of operationReactor units at site: 1
    88.5 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

Subsequent earthquakes nearby

Events recorded after this earthquake within 150 km. They are not automatically classified as aftershocks.

First 6 hours1
First 24 hours1
First 72 hours1
Strongest subsequent eventM6.1
M4.62025-12-25 16:25:53 UTC12.0 km94 km E of Mutsu, Japan M6.02025-12-31 14:26:57 UTC129.7 km91 km E of Noda, Japan M5.62025-12-31 14:26:57 UTC129.7 kmEvent of magnitude 5.6, near of Sendai (Monde) M6.12025-12-31 14:26:57 UTC144.2 kmOff east coast of Honshu, Japan [Sea: Japan] M5.82025-12-31 14:26:57 UTC124.0 kmNear East Coast of Honshu, Japan M5.12025-12-31 16:30:20 UTC33.4 kmEvent of magnitude 5.1, near of Sapporo (Monde) M5.12025-12-31 16:30:24 UTC45.0 kmHokkaido, Japan Region M4.92025-12-31 16:30:25 UTC55.9 km127 km S of Honchō, Japan M3.72026-01-01 02:22:30 UTC25.6 kmHOKKAIDO, JAPAN REGION M4.52026-01-06 03:34:06 UTC85.7 km41 km NNE of Kuji, Japan M4.12026-01-06 03:34:06 UTC85.7 kmNEAR EAST COAST OF HONSHU, JAPAN M3.62026-01-06 03:40:30 UTC93.2 kmNEAR EAST COAST OF HONSHU, JAPAN

Comparison of seismic sources

2 sources currently report magnitudes from M5.6 to M5.6.

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

SourceMagnitudeDepthPosition difference
NNSNM5.661.6 km0.0 km
USGSM5.661.6 km0.0 km

No unambiguous area assignment

Context for this earthquake

This event has no unambiguous country assignment in the analysed catalogue. It is therefore not assigned to a regional profile.

Earthquake overview

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#41
Earlier events M≥4203
Earlier events M≥5113
Compared since2025-01-08

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

Strongest earlier events

M7.72025-12-08 14:15:13 UTC32.0 km M7.62025-12-08 14:15:12 UTC30.8 kmHOKKAIDO, JAPAN REGION M7.62025-12-08 14:15:10 UTC30.6 km74 km ENE of Misawa, Japan M7.62025-12-08 14:15:09 UTC26.6 km84 km ENE of Misawa, Japan M7.52025-12-08 14:15:10 UTC31.4 kmHokkaido, Japan Region

Stats (last 24h)

Global (24h)
529
Country (24h)
—
—
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