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M6.1 Earthquake

UTC time: 2025-12-08 18:56:23 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

M6.1

Depth: 33.0 km
Source: NNSN

Earthquake location (40.48, 144.738)

Map

M6.1 Earthquake · 2025-12-08 — Map showing the location of the epicenter

About this earthquake

A magnitude M6.1 earthquake was recorded near Earthquake location (40.48, 144.738) on December 8, 2025 at 18:56 UTC. The hypocenter lay relatively close to the surface at around 33 km, increasing how strongly it was felt. Events of this size are considered strong and can be dangerous in inhabited regions.

The event was recorded by NNSN.

Details

f69372da154ef8b0c3f07281d9459201e5c808af

Magnitude

M6.1

Depth

33.0 km

UTC time

2025-12-08 18:56:23 UTC

Local time

—

Country

—

Source

nnsn

Coordinates

40.48000, 144.73800

Depth profile

Shallow

33 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

Kuji253.7 kmW34'418

Hachinohe273.8 kmW239'046

Sapporo402.0 kmNW1'973'832

GeoNames · CC BY 4.0

Volcanoes nearby

Osorezan

Distance: 317 km ·Stratovolcano ·Elevation: 878 m ·Last eruption: 1787 ·Japan
Iwatesan Activity reported

Distance: 325 km ·Complex ·Elevation: 2'038 m ·Last eruption: 1919 ·Japan
Towada

Distance: 326 km ·Caldera ·Elevation: 1'011 m ·Last eruption: 915 ·Japan
Hakkodasan

Distance: 327 km ·Stratovolcano(es) ·Elevation: 1'584 m ·Last eruption: 1550 ·Japan
Akan

Distance: 329 km ·Caldera ·Elevation: 1'499 m ·Last eruption: 2026 ·Japan
Esan

Distance: 333 km ·Lava dome(s) ·Elevation: 617 m ·Last eruption: 1874 ·Japan

Subsequent earthquakes nearby

Events recorded after this earthquake within 250 km. They are not automatically classified as aftershocks.

First 6 hours19

First 24 hours29

First 72 hours49

Strongest subsequent eventM7.0

M6.02025-12-08 18:56:26 UTC140.0 kmOff East Coast of Honshu, Japan M5.72025-12-08 18:56:27 UTC155.4 kmEvent of magnitude 5.7, near of Sapporo (Monde) M5.92025-12-08 18:56:28 UTC157.1 kmNear East Coast of Honshu, Japan M5.52025-12-08 18:56:29 UTC125.7 kmOff east coast of Honshu, Japan [Sea: Japan] M5.92025-12-08 18:56:30 UTC160.7 kmHOKKAIDO, JAPAN REGION M3.72025-12-08 21:31:30 UTC245.1 kmNEAR EAST COAST OF HONSHU, JAPAN M6.12025-12-08 21:52:38 UTC102.7 kmOff East Coast of Honshu, Japan M7.02025-12-08 21:52:39 UTC144.7 km M6.62025-12-08 21:52:40 UTC149.9 km125 km S of Honchō, Japan M6.72025-12-08 21:52:42 UTC152.8 kmHOKKAIDO, JAPAN REGION M6.52025-12-08 21:52:42 UTC161.9 kmEvent of magnitude 6.5, near of Sapporo (Monde) M5.32025-12-08 22:07:14 UTC141.4 kmEvent of magnitude 5.3, 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 250 km.

Magnitude rank#19

Earlier events M≥4314

Earlier events M≥5178

Compared since2025-01-05

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 UTC223.0 km M7.62025-12-08 14:15:12 UTC226.7 kmHOKKAIDO, JAPAN REGION M7.62025-12-08 14:15:10 UTC227.5 km74 km ENE of Misawa, Japan M7.62025-12-08 14:15:09 UTC213.4 km84 km ENE of Misawa, Japan M7.52025-12-08 14:15:10 UTC224.2 kmHokkaido, Japan Region

Stats (last 24h)

Global (24h)

518

Country (24h)

—

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