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M5.6 Depth: 33.0 km

M5.6 Earthquake

UTC time: 2025-12-21 03:48:15 UTC Local time: —

About this earthquake

On December 21, 2025 at 03:48 UTC, a magnitude M5.6 earthquake occurred near Earthquake location (45.616, 148.018). With a focal depth of about 33 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this magnitude can damage poorly built structures.

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

Details

Magnitude
M5.6
Depth
33.0 km
UTC time
2025-12-21 03:48:15 UTC
Local time
—
Country
—
Source
nnsn
Coordinates
45.61600, 148.01800

Map

Depth profile

Depth profile Depth: 33 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 33 km
Shallow
33 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
Shibetsu315.4 kmSW21'744
Kitami383.3 kmSW119'135
Sapporo601.0 kmSW1'973'832

GeoNames · CC BY 4.0

Volcanoes nearby

  • Chirippusan [Chirip]
    Distance: 32 km ·Stratovolcano(es) ·Elevation: 1'587 m ·Last eruption: 1860 ·Japan - administered by Russia
  • Sashiusudake [Baransky]
    Distance: 57 km ·Stratovolcano ·Elevation: 1'107 m ·Last eruption: 1951 ·Japan - administered by Russia
  • Odamoisan [Tebenkov]
    Distance: 66 km ·Stratovolcano ·Elevation: 1'208 m ·Japan - administered by Russia
  • Etorofu-Yakeyama [Grozny Group]
    Distance: 68 km ·Complex ·Elevation: 1'158 m ·Last eruption: 2013 ·Japan - administered by Russia
  • Moyorodake [Medvezhia]
    Distance: 69 km ·Stratovolcano ·Elevation: 1'124 m ·Last eruption: 1999 ·Japan - administered by Russia
  • Hitokappu Volcano Group [Bogatyr Ridge]
    Distance: 97 km ·Stratovolcano ·Elevation: 1'610 m ·Japan - administered by Russia

Subsequent earthquakes nearby

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

First 6 hours0
First 24 hours0
First 72 hours0
Strongest subsequent eventM6.3
M4.12025-12-25 06:22:23 UTC148.7 kmKURIL ISLANDS M3.92025-12-25 16:11:21 UTC112.0 kmKURIL ISLANDS M6.32026-01-13 07:34:05 UTC139.2 kmKuril Islands M5.92026-01-13 07:34:06 UTC141.0 kmEvent of magnitude 5.9, near of Sapporo (Monde) M6.32026-01-13 07:34:07 UTC131.7 kmKURIL ISLANDS M6.32026-01-13 07:34:09 UTC145.8 kmConflict zone Japan/Russia [Sea] M4.92026-01-13 08:22:32 UTC130.7 km117 km ESE of Kuril’sk, Russia M4.92026-01-13 08:22:32 UTC145.2 kmKURIL ISLANDS M5.42026-01-13 08:22:33 UTC147.4 kmEvent of magnitude 5.4, near of Asahikawa (Monde) M4.92026-01-13 09:39:44 UTC121.9 kmKuril Islands M5.12026-01-13 09:54:32 UTC148.9 kmKuril Islands M4.92026-01-13 09:54:32 UTC149.2 kmKURIL ISLANDS

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#1
Earlier events M≥427
Earlier events M≥57
Compared since2025-01-30

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

Strongest earlier events

M5.42025-07-06 09:40:42 UTC0.0 km M5.32025-12-16 23:34:17 UTC78.2 kmKuril Islands M5.32025-08-20 21:25:08 UTC80.5 km M5.32025-10-07 02:58:36 UTC112.0 kmEvent of magnitude 5.3, near of Asahikawa (Monde) M5.22025-07-30 07:23:16 UTC140.0 kmKuril Islands

Stats (last 24h)

Global (24h)
511
Country (24h)
—
—
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