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M6.0 Earthquake near Off east coast of Honshu, Japan [Sea: 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
M6.0
Depth
9.0 km
Source
INGV

Off east coast of Honshu, Japan [Sea: Japan]

Map

M6.0 Earthquake near Off east coast of Honshu, Japan [Sea: Japan] · 2025-11-21 — Map showing the location of the epicenter
M6.0 Earthquake near Off east coast of Honshu, Japan [Sea: Japan] · 2025-11-21 — Map showing the location of the epicenter

About this earthquake

A magnitude M6.0 earthquake was recorded near Off east coast of Honshu, Japan [Sea: Japan] on November 21, 2025 at 12:22 UTC. The hypocenter lay relatively close to the surface at around 9 km, increasing how strongly it was felt. Events of this size are considered strong and can be dangerous in inhabited regions.

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

Details

ID
e8102dc224cf638b9ff9027f5916aca6626876c5
Magnitude
M6.0
Depth
9.0 km
UTC time
2025-11-21 12:22:05 UTC
Local time
—
Country
—
Source
ingv
Coordinates
39.65270, 143.47700
Temperature
8.9°C

Depth profile

Depth profile Depth: 9 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 9 km
Shallow
9 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
Miyako131.5 kmW51'150
Hachinohe192.8 kmNW239'046
Sendai273.3 kmSW1'096'704

GeoNames · CC BY 4.0

Volcanoes nearby

  • Iwatesan Activity reported
    Distance: 213 km ·Complex ·Elevation: 2'038 m ·Last eruption: 1919 ·Japan
  • Hachimantai
    Distance: 227 km ·Stratovolcano ·Elevation: 1'613 m ·Last eruption: -5350 ·Japan
  • Akita-Komagatake
    Distance: 229 km ·Stratovolcano(es) ·Elevation: 1'637 m ·Last eruption: 1971 ·Japan
  • Akita-Yakeyama
    Distance: 235 km ·Stratovolcano ·Elevation: 1'366 m ·Last eruption: 1997 ·Japan
  • Towada
    Distance: 241 km ·Caldera ·Elevation: 1'011 m ·Last eruption: 915 ·Japan
  • Kurikomayama
    Distance: 244 km ·Stratovolcano ·Last eruption: 1950 ·Japan

Subsequent earthquakes nearby

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

First 6 hours0
First 24 hours0
First 72 hours3
Strongest subsequent eventM7.7
M4.22025-11-23 03:37:30 UTC77.1 kmNEAR EAST COAST OF HONSHU, JAPAN M4.22025-11-23 21:25:39 UTC47.2 km124 km ESE of Yamada, Japan M3.72025-11-24 10:10:30 UTC152.2 kmNEAR EAST COAST OF HONSHU, JAPAN M3.42025-11-25 02:08:30 UTC120.8 kmNEAR EAST COAST OF HONSHU, JAPAN M3.72025-11-25 03:18:30 UTC179.5 kmNEAR EAST COAST OF HONSHU, JAPAN M4.42025-11-27 20:34:00 UTC18.2 kmOFF EAST COAST OF HONSHU, JAPAN M4.82025-11-27 20:34:00 UTC31.4 kmOff East Coast of Honshu, Japan M4.42025-11-29 21:46:32 UTC19.4 km116 km E of Miyako, Japan M3.62025-11-29 23:03:30 UTC163.9 kmNEAR EAST COAST OF HONSHU, JAPAN M4.62025-11-30 17:25:50 UTC213.5 km45 km SE of Onagawa Chō, Japan M5.02025-11-30 17:25:51 UTC215.2 kmNear East Coast of Honshu, Japan M3.32025-12-03 13:17:30 UTC207.3 kmNEAR EAST COAST OF HONSHU, JAPAN

Comparison of seismic sources

3 sources currently report magnitudes from M5.6 to M6.0.

Measurements can differ because agencies use different networks and calculation methods. Values may be revised.

SourceMagnitudeDepthPosition difference
USPM5.66.0 km10.8 km
NNSNM5.710.0 km6.4 km
INGVM6.09.0 km0.0 km

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#13
Earlier events M≥4335
Earlier events M≥5164
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 UTC29.1 km126 km E of Yamada, Japan M6.82025-11-09 08:03:38 UTC23.7 kmOFF EAST COAST OF HONSHU, JAPAN M6.82025-11-09 08:03:38 UTC29.1 km M6.72025-11-09 08:03:42 UTC28.2 km133 km E of Yamada, Japan M6.72025-11-09 08:03:39 UTC22.9 kmOff east coast of Honshu, Japan [Sea: Japan]

Stats (last 24h)

Global (24h)
484
Country (24h)
—
—
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