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M5.5 Earthquake near Hokkaido, Japan Region

UTC time: 2025-12-09 09:09:47 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
M5.5
Depth
53.0 km
Source
GFZ

Hokkaido, Japan Region

Map

M5.5 Earthquake near Hokkaido, Japan Region · 2025-12-09 — Map showing the location of the epicenter
M5.5 Earthquake near Hokkaido, Japan Region · 2025-12-09 — Map showing the location of the epicenter

About this earthquake

On December 9, 2025 at 09:09 UTC, a magnitude M5.5 earthquake occurred near Hokkaido, Japan Region. With a focal depth of about 53 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size can cause damage near the epicenter.

The event was recorded by GFZ.

Details

ID
8fe5688ea0a15ede348a5d8ee07fdbdc68994617
Magnitude
M5.5
Depth
53.0 km
UTC time
2025-12-09 09:09:47 UTC
Local time
—
Country
—
Source
gfz
Coordinates
41.29000, 142.37000
Temperature
3.7°C

Depth profile

Depth profile Depth: 53 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 53 km
Shallow
53 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
Mutsu96.3 kmW56'244
Hachinohe114.3 kmSW239'046
Sapporo214.7 kmNW1'973'832

GeoNames · CC BY 4.0

Volcanoes nearby

  • Osorezan
    Distance: 104 km ·Stratovolcano ·Elevation: 878 m ·Last eruption: 1787 ·Japan
  • Esan
    Distance: 115 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: 165 km ·Stratovolcano ·Elevation: 1'131 m ·Last eruption: 2000 ·Japan
  • Kuttara
    Distance: 167 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
    82.7 kmStraight-line distance
  • Higashidori (Tepco) nuclear power plantJapanOut of operationReactor units at site: 1
    84.7 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 hours2
First 24 hours8
First 72 hours39
Strongest subsequent eventM6.7
M4.82025-12-09 09:20:02 UTC48.6 kmHokkaido, Japan Region M4.82025-12-09 09:20:30 UTC61.8 kmHOKKAIDO, JAPAN REGION M3.92025-12-09 22:14:30 UTC21.7 kmHOKKAIDO, JAPAN REGION M4.42025-12-09 22:20:30 UTC75.0 kmNEAR EAST COAST OF HONSHU, JAPAN M4.32025-12-09 23:04:30 UTC2.7 kmHOKKAIDO, JAPAN REGION M4.92025-12-09 23:04:37 UTC7.9 kmHokkaido, Japan Region M4.82025-12-10 06:23:48 UTC26.4 kmHOKKAIDO, JAPAN REGION M4.82025-12-10 06:23:50 UTC21.1 kmHokkaido, Japan Region M4.92025-12-10 14:01:29 UTC38.9 kmHokkaido, Japan Region M4.92025-12-10 14:01:32 UTC28.4 kmHOKKAIDO, JAPAN REGION M6.22025-12-10 14:52:18 UTC93.0 kmOff East Coast of Honshu, Japan M5.82025-12-10 14:52:21 UTC37.1 kmEvent of magnitude 5.8, near of Sapporo (Monde)

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#27
Earlier events M≥4135
Earlier events M≥568
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 UTC36.3 km M7.62025-12-08 14:15:12 UTC34.0 kmHOKKAIDO, JAPAN REGION M7.62025-12-08 14:15:10 UTC33.5 km74 km ENE of Misawa, Japan M7.62025-12-08 14:15:09 UTC32.8 km84 km ENE of Misawa, Japan M7.52025-12-08 14:15:10 UTC35.4 kmHokkaido, Japan Region

Stats (last 24h)

Global (24h)
497
Country (24h)
—
—
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