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M5.1 Depth: 10.0 km

M5.1 Earthquake near OFF EAST COAST OF HONSHU, JAPAN

UTC time: 2025-12-21 06:58:48 UTC Local time: —

About this earthquake

A magnitude M5.1 earthquake was recorded near OFF EAST COAST OF HONSHU, JAPAN on December 21, 2025 at 06:58 UTC. The hypocenter lay relatively close to the surface at around 10 km, increasing how strongly it was felt. Events of this size can cause damage near the epicenter.

The event was recorded by EMSC.

Details

Magnitude
M5.1
Depth
10.0 km
UTC time
2025-12-21 06:58:48 UTC
Local time
—
Country
—
Source
emsc
Coordinates
34.79410, 141.67010
Temperature
19.5°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
Isumi125.0 kmNW35'544
Narita164.9 kmNW132'906
Chiba167.2 kmNW979'768

GeoNames · CC BY 4.0

Volcanoes nearby

  • Izu-Oshima
    Distance: 208 km ·Stratovolcano ·Elevation: 746 m ·Last eruption: 1990 ·Japan
  • Miyakejima
    Distance: 211 km ·Stratovolcano ·Elevation: 775 m ·Last eruption: 2010 ·Japan
  • Mikurajima
    Distance: 216 km ·Stratovolcano ·Elevation: 851 m ·Last eruption: -4100 ·Japan
  • Toshima
    Distance: 221 km ·Stratovolcano ·Elevation: 508 m ·Last eruption: -4550 ·Japan
  • Niijima
    Distance: 224 km ·Lava dome(s) ·Elevation: 432 m ·Last eruption: 886 ·Japan
  • Izu-Tobu
    Distance: 235 km ·Pyroclastic cone(s) ·Elevation: 1'406 m ·Last eruption: 1989 ·Japan

Subsequent earthquakes nearby

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

First 6 hours1
First 24 hours1
First 72 hours1
Strongest subsequent eventM5.1
M5.12025-12-21 06:58:50 UTC15.1 kmEvent of magnitude 5.1, near of Tokyo (Monde) M5.02026-01-09 11:07:57 UTC143.4 kmdong jin shi M4.72026-01-09 11:07:58 UTC123.3 kmisumi shi M4.92026-01-09 11:07:58 UTC120.8 kmisumi shi M5.12026-01-09 11:07:58 UTC121.0 kmisumi shi M4.22026-01-14 02:50:30 UTC108.3 kmyao zi shi M3.62026-01-19 23:01:30 UTC118.1 kmNEAR EAST COAST OF HONSHU, JAPAN

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#2
Earlier events M≥420
Earlier events M≥52
Compared since2025-01-04

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

Strongest earlier events

M5.22025-11-04 22:17:26 UTC53.8 kmOff East Coast of Honshu, Japan M5.12025-01-06 16:44:39 UTC119.3 km113 km E of Hasaki, Japan M4.92025-11-25 07:59:27 UTC143.3 kmOff East Coast of Honshu, Japan M4.82025-11-04 22:17:25 UTC52.7 kmOff East Coast of Honshu, Japan M4.82025-03-30 01:18:22 UTC61.5 kmOff East Coast of Honshu, Japan

Stats (last 24h)

Global (24h)
535
Country (24h)
—
—
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