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M6.0 Earthquake near Near east coast of eastern Honshu, Japan [Sea: Japan]

UTC time: 2025-10-04 15:21:07 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
34.2 km
Source
INGV

Near east coast of eastern Honshu, Japan [Sea: Japan]

Map

M6.0 Earthquake near Near east coast of eastern Honshu, Japan [Sea: Japan] · 2025-10-04 — Map showing the location of the epicenter
M6.0 Earthquake near Near east coast of eastern Honshu, Japan [Sea: Japan] · 2025-10-04 — Map showing the location of the epicenter

About this earthquake

On October 4, 2025 at 15:21 UTC, a magnitude M6.0 earthquake occurred near Near east coast of eastern Honshu, Japan [Sea: Japan]. The hypocenter lay relatively close to the surface at around 34 km, increasing how strongly it was felt. Earthquakes of this magnitude can cause significant damage in populated areas.

The event was recorded by INGV.

Details

ID
2e3fcc4677a640df356769124ff2f69c2fbc25d3
Magnitude
M6.0
Depth
34.2 km
UTC time
2025-10-04 15:21:07 UTC
Local time
—
Country
—
Source
ingv
Coordinates
37.38340, 141.89200
Temperature
22.9°C

Depth profile

Depth profile Depth: 34.2 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 34.2 km
Shallow
34.2 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
Namie79.5 kmW21'866
Iwaki96.7 kmW357'309
Sendai133.3 kmNW1'096'704

GeoNames · CC BY 4.0

Volcanoes nearby

  • Adatarayama
    Distance: 145 km ·Stratovolcano(es) ·Elevation: 1'728 m ·Last eruption: 1996 ·Japan
  • Azumayama
    Distance: 150 km ·Stratovolcano(es) ·Elevation: 1'949 m ·Last eruption: 1977 ·Japan
  • Zaozan [Zaosan]
    Distance: 153 km ·Complex ·Elevation: 1'841 m ·Last eruption: 1940 ·Japan
  • Bandaisan
    Distance: 162 km ·Stratovolcano ·Elevation: 1'816 m ·Last eruption: 1888 ·Japan
  • Nasudake
    Distance: 173 km ·Stratovolcano(es) ·Elevation: 1'915 m ·Last eruption: 1963 ·Japan
  • Naruko
    Distance: 181 km ·Caldera ·Elevation: 470 m ·Last eruption: 837 ·Japan

Radius · 100 km

Nearby infrastructure

Up to 3 nearest sites per category

Nuclear power plants

  • Fukushima Daiichi nuclear power plantJapanPermanently shut downReactor units at site: 6
    76.0 kmStraight-line distance
  • Fukushima Daini nuclear power plantJapanPermanently shut downReactor units at site: 4
    76.9 kmStraight-line distance

Source: Global Energy Monitor · Global Nuclear Power Tracker · Dataset date: 2026-08

This selection shows geographic proximity, not a hazard zone or confirmed impacts. Distances use recorded site coordinates. Sources & data dates

Subsequent earthquakes nearby

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

First 6 hours3
First 24 hours3
First 72 hours18
Strongest subsequent eventM6.0
M6.02025-10-04 15:21:09 UTC21.1 kmNEAR EAST COAST OF HONSHU, JAPAN M6.02025-10-04 15:21:09 UTC21.1 km56 km E of Tomioka, Japan M5.62025-10-04 15:21:12 UTC49.9 kmEvent of magnitude 5.6, near of Sendai (Monde) M4.82025-10-06 14:20:25 UTC204.2 kmOFF EAST COAST OF HONSHU, JAPAN M4.82025-10-06 14:20:25 UTC206.2 kmOff East Coast of Honshu, Japan M4.82025-10-06 14:20:29 UTC194.4 km239 km ESE of Onagawa Chō, Japan M4.92025-10-06 14:58:00 UTC201.2 kmOFF EAST COAST OF HONSHU, JAPAN M5.02025-10-06 14:58:00 UTC206.6 kmEvent of magnitude 5.0, near of Sendai (Monde) M5.12025-10-06 14:58:00 UTC208.2 kmOff East Coast of Honshu, Japan M4.92025-10-06 14:58:00 UTC207.9 km253 km ESE of Onagawa Chō, Japan M4.72025-10-06 18:25:05 UTC207.2 kmOff East Coast of Honshu, Japan M4.72025-10-06 18:25:05 UTC201.3 kmOff east coast of Honshu

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#1
Earlier events M≥4153
Earlier events M≥533
Compared since2025-01-05

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

Strongest earlier events

M6.02025-10-04 15:21:05 UTC34.3 kmNear East Coast of Honshu, Japan M6.02025-08-29 16:29:21 UTC112.1 km63 km E of Onagawa Cho, Japan M5.82025-08-29 16:29:16 UTC123.0 kmNear East Coast of Honshu, Japan M5.82025-08-21 22:34:46 UTC153.6 kmNear east coast of eastern Honshu, Japan [Sea: Japan] M5.72025-08-29 16:29:14 UTC121.4 kmNear East Coast of Honshu, Japan

Stats (last 24h)

Global (24h)
458
Country (24h)
—
—
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