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M6.1 Depth: 10.0 km

M6.1 Earthquake near 88 km ESE of Nemuro, Japan

UTC time: 2025-06-21 21:23:17 UTC Local time: —

About this earthquake

On June 21, 2025 at 21:23 UTC, a magnitude M6.1 earthquake occurred near 88 km ESE of Nemuro, Japan. The hypocenter lay relatively close to the surface at around 10 km, increasing how strongly it was felt. Earthquakes of this magnitude can cause significant damage in populated areas.

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

Details

Magnitude
M6.1
Depth
10.0 km
UTC time
2025-06-21 21:23:17 UTC
Local time
—
Country
—
Source
usgs
Coordinates
42.90170, 146.50370
Temperature
14.9°C

Map

Depth profile

Depth profile Depth: 10 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 10 km
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
Nemuro88.8 kmNW31'223
Kushiro173.5 kmW167'875
Sapporo419.6 kmW1'973'832

GeoNames · CC BY 4.0

Volcanoes nearby

  • Tomariyama [Golovnin]
    Distance: 132 km ·Caldera ·Elevation: 535 m ·Last eruption: 1848 ·Japan - administered by Russia
  • Raususan [Mendeleev]
    Distance: 135 km ·Stratovolcano ·Elevation: 882 m ·Last eruption: 1880 ·Japan - administered by Russia
  • Chachadake [Tiatia]
    Distance: 163 km ·Stratovolcano ·Elevation: 1'822 m ·Last eruption: 1981 ·Japan - administered by Russia
  • Tenchozan
    Distance: 171 km ·Crater rows ·Elevation: 1'046 m ·Japan
  • Rausudake
    Distance: 172 km ·Stratovolcano ·Elevation: 1'660 m ·Last eruption: 1800 ·Japan
  • Mashu
    Distance: 174 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 hours6
First 24 hours10
First 72 hours12
Strongest subsequent eventM6.0
M6.02025-06-21 21:23:18 UTC12.9 kmOff Coast of Hokkaido, Japan M4.32025-06-21 21:53:44 UTC23.7 km M4.32025-06-21 21:53:45 UTC16.4 km99 km SE of Nemuro, Japan M4.62025-06-21 23:03:06 UTC15.1 km M4.02025-06-22 02:11:08 UTC17.9 km M4.42025-06-22 02:11:08 UTC17.9 km77 km ESE of Nemuro, Japan M4.22025-06-22 10:06:35 UTC27.2 km M4.22025-06-22 10:06:35 UTC24.7 km109 km SE of Nemuro, Japan M4.42025-06-22 18:04:23 UTC20.4 km M4.22025-06-22 18:04:24 UTC14.0 km95 km SE of Nemuro, Japan M5.02025-06-23 17:55:11 UTC176.6 kmHokkaido, Japan Region M5.22025-06-23 17:55:12 UTC164.3 km

Historical context nearby

Comparison with recorded earthquakes before this event within 250 km.

Magnitude rank#1
Earlier events M≥462
Earlier events M≥58
Compared since2025-01-13

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

Strongest earlier events

M6.12025-05-31 08:37:15 UTC173.4 km83 km SSE of Kushiro, Japan M6.12025-05-31 08:37:15 UTC169.8 km M6.02025-06-18 23:08:05 UTC10.0 kmOff Coast of Hokkaido, Japan M6.02025-05-31 08:37:19 UTC180.8 kmHokkaido, Japan Region M5.92025-06-18 23:08:05 UTC4.8 km

Stats (last 24h)

Global (24h)
672
Country (24h)
—
—
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