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M5.5 Earthquake near Off East Coast of Honshu, Japan

UTC time: 2025-11-21 12:22:05 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: 13.0 km
Source: GFZ

Off East Coast of Honshu, Japan

Map

About this earthquake

On November 21, 2025 at 12:22 UTC, a magnitude M5.5 earthquake occurred near Off East Coast of Honshu, Japan. The hypocenter lay relatively close to the surface at around 13 km, increasing how strongly it was felt. Earthquakes of this magnitude can damage poorly built structures.

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

Details

8cd81e21f75bc0244e502241a648c37e3f19e626

Magnitude

M5.5

Depth

13.0 km

UTC time

2025-11-21 12:22:05 UTC

Local time

—

Country

—

Source

gfz

Coordinates

39.66000, 143.41000

Temperature

8.9°C

Depth profile

Shallow

13 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

Miyako125.8 kmW51'150

Hachinohe187.4 kmNW239'046

Sendai269.0 kmSW1'096'704

GeoNames · CC BY 4.0

Volcanoes nearby

Iwatesan Activity reported

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

Distance: 221 km ·Stratovolcano ·Elevation: 1'613 m ·Last eruption: -5350 ·Japan
Akita-Komagatake

Distance: 224 km ·Stratovolcano(es) ·Elevation: 1'637 m ·Last eruption: 1971 ·Japan
Akita-Yakeyama

Distance: 229 km ·Stratovolcano ·Elevation: 1'366 m ·Last eruption: 1997 ·Japan
Towada

Distance: 235 km ·Caldera ·Elevation: 1'011 m ·Last eruption: 915 ·Japan
Kurikomayama

Distance: 239 km ·Stratovolcano ·Last eruption: 1950 ·Japan

Subsequent earthquakes nearby

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

First 6 hours0

First 24 hours0

First 72 hours3

Strongest subsequent eventM7.0

M4.22025-11-23 03:37:30 UTC71.7 kmNEAR EAST COAST OF HONSHU, JAPAN M4.22025-11-23 21:25:39 UTC47.1 km124 km ESE of Yamada, Japan M3.72025-11-24 10:10:30 UTC147.9 kmNEAR EAST COAST OF HONSHU, JAPAN M3.42025-11-25 02:08:30 UTC115.1 kmNEAR EAST COAST OF HONSHU, JAPAN M4.42025-11-27 20:34:00 UTC22.8 kmOFF EAST COAST OF HONSHU, JAPAN M4.82025-11-27 20:34:00 UTC35.0 kmOff East Coast of Honshu, Japan M4.42025-11-29 21:46:32 UTC14.4 km116 km E of Miyako, Japan M5.22025-12-07 00:16:44 UTC17.7 kmEvent of magnitude 5.2, near of Sendai (Monde) M4.92025-12-07 00:16:44 UTC9.8 kmOff East Coast of Honshu, Japan M4.92025-12-07 00:16:47 UTC18.0 km112 km E of Yamada, Japan M5.52025-12-08 14:33:37 UTC145.9 kmEvent of magnitude 5.5, near of Akita (Monde) M5.22025-12-08 15:57:53 UTC142.6 kmEvent of magnitude 5.2, 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#35

Earlier events M≥4211

Earlier events M≥5123

Compared since2025-01-05

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

Strongest earlier events

M6.82025-11-09 08:03:38 UTC29.4 km126 km E of Yamada, Japan M6.82025-11-09 08:03:38 UTC21.5 kmOFF EAST COAST OF HONSHU, JAPAN M6.82025-11-09 08:03:38 UTC29.4 km M6.72025-11-09 08:03:42 UTC29.9 km133 km E of Yamada, Japan M6.72025-11-09 08:03:39 UTC22.7 kmOff east coast of Honshu, Japan [Sea: Japan]

Stats (last 24h)

Global (24h)

497

Country (24h)

—

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