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M6.0 Earthquake near Off Coast of Hokkaido, Japan

UTC time: 2025-06-21 21:23:18 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: 10.0 km
Source: GFZ

Off Coast of Hokkaido, Japan

Map

About this earthquake

A magnitude M6.0 earthquake was recorded near Off Coast of Hokkaido, Japan on June 21, 2025 at 21:23 UTC. The hypocenter lay relatively close to the surface at around 10 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 GFZ.

Details

92ef92193e0aa451607f8a81b661a4a91b1d4882

Magnitude

M6.0

Depth

10.0 km

UTC time

2025-06-21 21:23:18 UTC

Local time

—

Country

—

Source

gfz

Coordinates

42.95000, 146.36000

Temperature

14.9°C

Depth profile

Shallow

10 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

Nemuro76.0 kmNW31'223

Kushiro161.6 kmW167'875

Sapporo407.5 kmW1'973'832

GeoNames · CC BY 4.0

Volcanoes nearby

Tomariyama [Golovnin]

Distance: 121 km ·Caldera ·Elevation: 535 m ·Last eruption: 1848 ·Japan - administered by Russia
Raususan [Mendeleev]

Distance: 125 km ·Stratovolcano ·Elevation: 882 m ·Last eruption: 1880 ·Japan - administered by Russia
Chachadake [Tiatia]

Distance: 156 km ·Stratovolcano ·Elevation: 1'772 m ·Last eruption: 1981 ·Japan - administered by Russia
Tenchozan

Distance: 159 km ·Crater rows ·Elevation: 1'046 m ·Japan
Rausudake

Distance: 160 km ·Stratovolcano ·Elevation: 1'660 m ·Last eruption: 1800 ·Japan
Mashu

Distance: 161 km ·Caldera ·Elevation: 857 m ·Last eruption: 1080 ·Japan

Subsequent earthquakes nearby

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

First 6 hours5

First 24 hours9

First 72 hours11

Strongest subsequent eventM5.2

M4.32025-06-21 21:53:44 UTC36.2 kmOFF COAST OF HOKKAIDO, JAPAN M4.32025-06-21 21:53:45 UTC25.3 km99 km SE of Nemuro, Japan M4.62025-06-21 23:03:06 UTC21.6 kmOFF COAST OF HOKKAIDO, JAPAN M4.02025-06-22 02:11:08 UTC14.2 kmKURIL ISLANDS M4.42025-06-22 02:11:08 UTC14.2 km77 km ESE of Nemuro, Japan M4.22025-06-22 10:06:35 UTC37.2 kmOFF COAST OF HOKKAIDO, JAPAN M4.22025-06-22 10:06:35 UTC35.1 km109 km SE of Nemuro, Japan M4.42025-06-22 18:04:23 UTC33.2 kmOFF COAST OF HOKKAIDO, JAPAN M4.22025-06-22 18:04:24 UTC21.8 km95 km SE of Nemuro, Japan M5.02025-06-23 17:55:11 UTC168.3 kmHokkaido, Japan Region M5.22025-06-23 17:55:12 UTC156.2 kmHOKKAIDO, JAPAN REGION M4.32025-06-27 09:44:42 UTC45.9 kmHOKKAIDO, JAPAN REGION

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#8

Earlier events M≥471

Earlier events M≥517

Compared since2025-01-13

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

Strongest earlier events

M6.22025-06-21 21:23:17 UTC12.9 km88 km ESE of Nemuro, Japan M6.22025-06-18 23:08:05 UTC14.8 km90 km SE of Nemuro, Japan M6.12025-06-21 21:23:17 UTC12.9 km88 km ESE of Nemuro, Japan M6.12025-06-21 21:23:17 UTC9.2 kmOFF COAST OF HOKKAIDO, JAPAN M6.12025-05-31 08:37:15 UTC165.3 km83 km SSE of Kushiro, Japan

Stats (last 24h)

Global (24h)

458

Country (24h)

—

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