M5.4 Depth: 10.0 km

M5.4 Earthquake near Hokkaido, Japan Region

UTC time: 2025-12-20 12:30:28 UTC Local time: —

About this earthquake

A magnitude M5.4 earthquake was recorded near Hokkaido, Japan Region on December 20, 2025 at 12:30 UTC. With a focal depth of about 10 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 data is provided by GFZ and cross-checked across seismological networks.

Details

Magnitude

M5.4

Depth

10.0 km

UTC time

2025-12-20 12:30:28 UTC

Local time

—

Country

—

Source

gfz

Coordinates

42.83000, 145.98000

Temperature

6.7°C

Map

Depth profile

Shallow

10 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

Nemuro64.0 kmNW31'223

Kushiro131.7 kmW167'875

Sapporo377.7 kmW1'973'832

GeoNames · CC BY 4.0

Volcanoes nearby

Tomariyama [Golovnin]

Distance: 119 km ·Caldera ·Elevation: 535 m ·Last eruption: 1848 ·Japan - administered by Russia
Raususan [Mendeleev]

Distance: 129 km ·Stratovolcano ·Elevation: 882 m ·Last eruption: 1880 ·Japan - administered by Russia
Mashu

Distance: 142 km ·Caldera ·Elevation: 857 m ·Last eruption: 1080 ·Japan
Tenchozan

Distance: 153 km ·Crater rows ·Elevation: 1'046 m ·Japan
Kussharo

Distance: 153 km ·Caldera ·Elevation: 574 m ·Last eruption: 1320 ·Japan
Rausudake

Distance: 155 km ·Stratovolcano ·Elevation: 1'660 m ·Last eruption: 1800 ·Japan

Subsequent earthquakes nearby

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

First 6 hours6

First 24 hours6

First 72 hours6

Strongest subsequent eventM6.1

M5.32025-12-20 12:30:29 UTC6.5 kmEvent of magnitude 5.3, near of Sapporo (Monde) M5.32025-12-20 12:30:30 UTC15.1 kmHOKKAIDO, JAPAN REGION M5.32025-12-20 12:30:32 UTC11.2 km73 km SSE of Nemuro, Japan M5.42025-12-20 12:58:51 UTC5.0 kmOff Coast of Hokkaido, Japan M5.22025-12-20 12:58:51 UTC5.2 kmEvent of magnitude 5.2, near of Sapporo (Monde) M5.22025-12-20 12:58:55 UTC11.8 km74 km SSE of Nemuro, Japan M3.62025-12-27 00:33:30 UTC113.6 kmHOKKAIDO, JAPAN REGION M4.22025-12-27 03:55:30 UTC39.9 kmHOKKAIDO, JAPAN REGION M3.82026-01-07 11:40:30 UTC95.6 kmHOKKAIDO, JAPAN REGION M3.32026-01-08 16:07:30 UTC55.6 kmHOKKAIDO, JAPAN REGION M4.42026-01-11 17:14:42 UTC115.8 kmKURIL ISLANDS M5.62026-01-14 22:13:13 UTC42.8 kmHOKKAIDO, JAPAN REGION

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#20

Earlier events M≥4128

Earlier events M≥543

Compared since2025-01-13

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

Strongest earlier events

M6.22025-06-21 21:23:17 UTC43.4 km88 km ESE of Nemuro, Japan M6.22025-06-18 23:08:05 UTC41.9 km90 km SE of Nemuro, Japan M6.12025-06-21 21:23:17 UTC43.4 km88 km ESE of Nemuro, Japan M6.12025-06-21 21:23:17 UTC41.4 kmOFF COAST OF HOKKAIDO, JAPAN M6.12025-05-31 08:37:15 UTC131.7 km83 km SSE of Kushiro, Japan

Stats (last 24h)

Global (24h)

505

Country (24h)

—

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