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M5.5 Earthquake near Event of magnitude 5.5, near of Sapporo (Monde)

UTC time: 2025-12-21 01:29:04 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
M5.5
Depth
61.0 km
Source
RESIF

Event of magnitude 5.5, near of Sapporo (Monde)

Map

M5.5 Earthquake near Event of magnitude 5.5, near of Sapporo (Monde) · 2025-12-21 — Map showing the location of the epicenter
M5.5 Earthquake near Event of magnitude 5.5, near of Sapporo (Monde) · 2025-12-21 — Map showing the location of the epicenter

About this earthquake

A magnitude M5.5 earthquake was recorded near Event of magnitude 5.5, near of Sapporo (Monde) on December 21, 2025 at 01:29 UTC. The hypocenter lay relatively close to the surface at around 61 km, increasing how strongly it was felt. Earthquakes of this magnitude can damage poorly built structures.

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

Details

ID
17b646de1d6d538908855f1c4799aa2a83659010
Magnitude
M5.5
Depth
61.0 km
UTC time
2025-12-21 01:29:04 UTC
Local time
—
Country
—
Source
resif
Coordinates
40.85257, 142.11044
Temperature
13.6°C

Depth profile

Depth profile Depth: 61 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 61 km
Shallow
61 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
Hitokawame61.0 kmSW24'273
Hachinohe64.7 kmSW239'046
Sapporo254.1 kmN1'973'832

GeoNames · CC BY 4.0

Volcanoes nearby

  • Osorezan
    Distance: 96 km ·Stratovolcano ·Elevation: 878 m ·Last eruption: 1787 ·Japan
  • Hakkodasan
    Distance: 106 km ·Stratovolcano(es) ·Elevation: 1'584 m ·Last eruption: 1550 ·Japan
  • Towada
    Distance: 111 km ·Caldera ·Elevation: 1'011 m ·Last eruption: 915 ·Japan
  • Esan
    Distance: 132 km ·Lava dome(s) ·Elevation: 617 m ·Last eruption: 1874 ·Japan
  • Iwatesan Activity reported
    Distance: 146 km ·Complex ·Elevation: 2'038 m ·Last eruption: 1919 ·Japan
  • Hachimantai
    Distance: 146 km ·Stratovolcano ·Elevation: 1'613 m ·Last eruption: -5350 ·Japan

Radius · 100 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Misawa Airport / Misawa Air BaseJapan · MSJ · RJSM
    64.7 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-10-04

Nuclear power plants

  • Higashidori (Tohoku) nuclear power plantJapanOut of operationReactor units at site: 1
    71.0 kmStraight-line distance
  • Higashidori (Tepco) nuclear power plantJapanOut of operationReactor units at site: 1
    76.0 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 150 km. They are not automatically classified as aftershocks.

First 6 hours0
First 24 hours2
First 72 hours2
Strongest subsequent eventM6.1
M4.32025-12-21 19:32:38 UTC89.8 km109 km S of Honchō, Japan M4.52025-12-21 23:33:05 UTC114.3 kmEASTERN HONSHU, JAPAN M5.72025-12-25 16:17:36 UTC97.6 kmHokkaido, Japan Region M5.62025-12-25 16:17:37 UTC60.2 kmEvent of magnitude 5.6, near of Sapporo (Monde) M5.62025-12-25 16:17:41 UTC51.7 kmHOKKAIDO, JAPAN REGION M5.72025-12-25 16:17:42 UTC56.2 kmHokkaido, Japan Region M5.72025-12-25 16:17:42 UTC53.6 kmJapan [Sea] M5.62025-12-25 16:17:43 UTC48.5 km99 km E of Yokohama, Japan M4.62025-12-25 16:25:53 UTC55.1 km94 km E of Mutsu, Japan M6.02025-12-31 14:26:57 UTC105.4 km91 km E of Noda, Japan M5.62025-12-31 14:26:57 UTC105.3 kmEvent of magnitude 5.6, near of Sendai (Monde) M6.12025-12-31 14:26:57 UTC124.9 kmOff east coast of Honshu, Japan [Sea: Japan]

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 150 km.

Magnitude rank#37
Earlier events M≥4196
Earlier events M≥5103
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 UTC17.1 km M7.62025-12-08 14:15:12 UTC20.5 kmHOKKAIDO, JAPAN REGION M7.62025-12-08 14:15:10 UTC21.3 km74 km ENE of Misawa, Japan M7.62025-12-08 14:15:09 UTC22.9 km84 km ENE of Misawa, Japan M7.52025-12-08 14:15:10 UTC18.2 kmHokkaido, Japan Region

Stats (last 24h)

Global (24h)
530
Country (24h)
—
—
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