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M5.4 Depth: 55.4 km

M5.4 Earthquake near NEAR EAST COAST OF HONSHU, JAPAN

UTC time: 2025-12-21 01:29:03 UTC Local time: —

About this earthquake

On December 21, 2025 at 01:29 UTC, a magnitude M5.4 earthquake occurred near NEAR EAST COAST OF HONSHU, JAPAN. With a focal depth of about 55 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size can cause damage near the epicenter.

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

Details

Magnitude
M5.4
Depth
55.4 km
UTC time
2025-12-21 01:29:03 UTC
Local time
—
Country
—
Source
emsc
Coordinates
40.77690, 142.09890
Temperature
13.6°C

Map

Depth profile

Depth profile Depth: 55.4 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 55.4 km
Shallow
55.4 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
Hitokawame57.3 kmW24'273
Hachinohe59.2 kmSW239'046
Sapporo262.0 kmN1'973'832

GeoNames · CC BY 4.0

Volcanoes nearby

  • Osorezan
    Distance: 99 km ·Stratovolcano ·Elevation: 878 m ·Last eruption: 1787 ·Japan
  • Hakkodasan
    Distance: 104 km ·Stratovolcano(es) ·Elevation: 1'585 m ·Last eruption: 1550 ·Japan
  • Towada
    Distance: 107 km ·Caldera ·Elevation: 1'011 m ·Last eruption: 915 ·Japan
  • Esan
    Distance: 138 km ·Lava dome(s) ·Elevation: 618 m ·Last eruption: 1874 ·Japan
  • Iwatesan
    Distance: 139 km ·Complex ·Elevation: 2'038 m ·Last eruption: 1919 ·Japan
  • Hachimantai
    Distance: 139 km ·Stratovolcano ·Elevation: 1'613 m ·Last eruption: -5350 ·Japan

Subsequent earthquakes nearby

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

First 6 hours2
First 24 hours4
First 72 hours4
Strongest subsequent eventM6.1
M5.82025-12-21 01:29:04 UTC12.0 kmNear East Coast of Honshu, Japan M5.52025-12-21 01:29:04 UTC8.5 kmEvent of magnitude 5.5, near of Sapporo (Monde) M4.32025-12-21 19:32:38 UTC94.1 km109 km S of Honchō, Japan M4.52025-12-21 23:33:05 UTC105.8 kmEASTERN HONSHU, JAPAN M5.72025-12-25 16:17:36 UTC100.4 kmHokkaido, Japan Region M5.62025-12-25 16:17:37 UTC67.4 kmEvent of magnitude 5.6, near of Sapporo (Monde) M5.62025-12-25 16:17:41 UTC59.4 kmHOKKAIDO, JAPAN REGION M5.72025-12-25 16:17:42 UTC63.2 kmHokkaido, Japan Region M5.72025-12-25 16:17:42 UTC59.6 kmJapan [Sea] M5.62025-12-25 16:17:43 UTC56.3 km99 km E of Yokohama, Japan M4.62025-12-25 16:25:53 UTC63.3 km94 km E of Mutsu, Japan M4.82025-12-30 23:51:30 UTC148.2 kmNEAR EAST COAST OF HONSHU, JAPAN

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#50
Earlier events M≥4206
Earlier events M≥5107
Compared since2025-01-05

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

Strongest earlier events

M7.72025-12-08 14:15:13 UTC25.4 km M7.62025-12-08 14:15:12 UTC28.9 kmHOKKAIDO, JAPAN REGION M7.62025-12-08 14:15:10 UTC29.8 km74 km ENE of Misawa, Japan M7.62025-12-08 14:15:09 UTC30.0 km84 km ENE of Misawa, Japan M7.52025-12-08 14:15:10 UTC26.6 kmHokkaido, Japan Region

Stats (last 24h)

Global (24h)
652
Country (24h)
—
—
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