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M5.5 Earthquake near 122 km S of Honchō, Japan

UTC time: 2025-12-12 03:21:41 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: 45.6 km
Source: USGS

122 km S of Honchō, Japan

Map

About this earthquake

A magnitude M5.5 earthquake was recorded near 122 km S of Honchō, Japan on December 12, 2025 at 03:21 UTC. With a focal depth of about 46 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 USGS.

Details

71b7bf796e52b05cc5c95fb2b1635e52b09c389b

Magnitude

M5.5

Depth

45.6 km

UTC time

2025-12-12 03:21:41 UTC

Local time

—

Country

—

Source

usgs

Coordinates

41.02800, 142.89980

Temperature

1.2°C

Depth profile

Shallow

45.6 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

Hitokawame129.9 kmW24'273

Hachinohe131.7 kmSW239'046

Sapporo260.3 kmNW1'973'832

GeoNames · CC BY 4.0

Volcanoes nearby

Osorezan

Distance: 152 km ·Stratovolcano ·Elevation: 878 m ·Last eruption: 1787 ·Japan
Esan

Distance: 168 km ·Lava dome(s) ·Elevation: 617 m ·Last eruption: 1874 ·Japan
Hakkodasan

Distance: 175 km ·Stratovolcano(es) ·Elevation: 1'584 m ·Last eruption: 1550 ·Japan
Towada

Distance: 180 km ·Caldera ·Elevation: 1'011 m ·Last eruption: 915 ·Japan
Iwatesan Activity reported

Distance: 207 km ·Complex ·Elevation: 2'038 m ·Last eruption: 1919 ·Japan
Hachimantai

Distance: 210 km ·Stratovolcano ·Elevation: 1'613 m ·Last eruption: -5350 ·Japan

Subsequent earthquakes nearby

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

First 6 hours6

First 24 hours8

First 72 hours20

Strongest subsequent eventM6.1

M4.72025-12-12 04:58:19 UTC24.0 kmNEAR EAST COAST OF HONSHU, JAPAN M4.02025-12-12 07:05:30 UTC17.1 kmHOKKAIDO, JAPAN REGION M4.82025-12-12 07:55:42 UTC43.0 kmHokkaido, Japan Region M4.62025-12-12 07:55:42 UTC42.9 kmHOKKAIDO, JAPAN REGION M5.22025-12-12 07:55:43 UTC40.4 kmHokkaido region M4.62025-12-12 07:55:44 UTC54.8 km91 km ENE of Yokohama, Japan M4.02025-12-12 10:14:30 UTC9.0 kmHOKKAIDO, JAPAN REGION M3.62025-12-12 16:19:30 UTC68.6 kmNEAR EAST COAST OF HONSHU, JAPAN M4.72025-12-13 05:59:43 UTC45.5 kmNear East Coast of Honshu, Japan M4.62025-12-13 05:59:44 UTC55.2 km81 km ENE of Misawa, Japan M4.52025-12-13 21:49:38 UTC75.0 km169 km ENE of Noda, Japan M4.92025-12-14 07:58:12 UTC143.3 km146 km E of Miyako, Japan

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#42

Earlier events M≥4183

Earlier events M≥5101

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 UTC60.5 km M7.62025-12-08 14:15:12 UTC63.1 kmHOKKAIDO, JAPAN REGION M7.62025-12-08 14:15:10 UTC63.7 km74 km ENE of Misawa, Japan M7.62025-12-08 14:15:09 UTC50.4 km84 km ENE of Misawa, Japan M7.52025-12-08 14:15:10 UTC61.3 kmHokkaido, Japan Region

Stats (last 24h)

Global (24h)

494

Country (24h)

—

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