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M5.5 Depth: 45.6 km

M5.5 Earthquake near 122 km S of Honchō, Japan

UTC time: 2025-12-12 03:21:41 UTC Local time: —

About this earthquake

A magnitude M5.5 earthquake was recorded near 122 km S of Honchō, Japan on December 12, 2025 at 03:21 UTC. With a focal depth of about 46 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 event was recorded by USGS.

Details

Magnitude
M5.5
Depth
45.6 km
UTC time
2025-12-12 03:21:41 UTC
Local time
—
Country
—
Source
usgs
Coordinates
41.02800, 142.89980
Temperature
1.2°C

Map

Depth profile

Depth profile Depth: 45.6 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 45.6 km
Shallow
45.6 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
Hitokawame129.9 kmW24'273
Hachinohe131.7 kmSW239'046
Sapporo260.3 kmNW1'973'832

GeoNames · CC BY 4.0

Volcanoes nearby

  • Osorezan
    Distance: 152 km ·Stratovolcano ·Elevation: 878 m ·Last eruption: 1787 ·Japan
  • Esan
    Distance: 168 km ·Lava dome(s) ·Elevation: 618 m ·Last eruption: 1874 ·Japan
  • Hakkodasan
    Distance: 175 km ·Stratovolcano(es) ·Elevation: 1'585 m ·Last eruption: 1550 ·Japan
  • Towada
    Distance: 180 km ·Caldera ·Elevation: 1'011 m ·Last eruption: 915 ·Japan
  • Iwatesan
    Distance: 207 km ·Complex ·Elevation: 2'038 m ·Last eruption: 1919 ·Japan
  • Hachimantai
    Distance: 210 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 hours6
First 24 hours8
First 72 hours20
Strongest subsequent eventM6.1
M4.72025-12-12 04:58:19 UTC24.0 kmNEAR EAST COAST OF HONSHU, JAPAN M4.02025-12-12 07:05:30 UTC17.1 kmHOKKAIDO, JAPAN REGION M4.82025-12-12 07:55:42 UTC43.0 kmHokkaido, Japan Region M4.62025-12-12 07:55:42 UTC42.9 kmHOKKAIDO, JAPAN REGION M5.22025-12-12 07:55:43 UTC40.4 kmHokkaido region M4.62025-12-12 07:55:44 UTC54.8 km91 km ENE of Yokohama, Japan M4.02025-12-12 10:14:30 UTC9.0 kmHOKKAIDO, JAPAN REGION M3.62025-12-12 16:19:30 UTC68.6 kmNEAR EAST COAST OF HONSHU, JAPAN M4.72025-12-13 05:59:43 UTC45.5 kmNear East Coast of Honshu, Japan M4.62025-12-13 05:59:44 UTC55.2 km81 km ENE of Misawa, Japan M4.52025-12-13 21:49:38 UTC75.0 km169 km ENE of Noda, Japan M4.92025-12-14 07:58:12 UTC143.3 km146 km E of Miyako, Japan

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#42
Earlier events M≥4183
Earlier events M≥5101
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 UTC60.5 km M7.62025-12-08 14:15:12 UTC63.1 kmHOKKAIDO, JAPAN REGION M7.62025-12-08 14:15:10 UTC63.7 km74 km ENE of Misawa, Japan M7.62025-12-08 14:15:09 UTC50.4 km84 km ENE of Misawa, Japan M7.52025-12-08 14:15:10 UTC61.3 kmHokkaido, Japan Region

Stats (last 24h)

Global (24h)
657
Country (24h)
—
—
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