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M5.5 Earthquake near OFF EAST COAST OF HONSHU, JAPAN

UTC time: 2025-11-21 12:22:04 UTC Local time: —
Earthquake newsQuakeMap24
Archive record · original publication time was not recorded Content updated:

Automatically generated from measurement data by QuakeMap24. Values may change after further analysis.

Magnitude
M5.5
Depth
7.7 km
Source
EMSC

OFF EAST COAST OF HONSHU, JAPAN

Map

M5.5 Earthquake near OFF EAST COAST OF HONSHU, JAPAN · 2025-11-21 — Map showing the location of the epicenter
M5.5 Earthquake near OFF EAST COAST OF HONSHU, JAPAN · 2025-11-21 — Map showing the location of the epicenter

About this earthquake

A magnitude M5.5 earthquake was recorded near OFF EAST COAST OF HONSHU, JAPAN on November 21, 2025 at 12:22 UTC. The hypocenter lay relatively close to the surface at around 8 km, increasing how strongly it was felt. Events of this size can cause damage near the epicenter.

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

Details

ID
b733e53cc668904ab16fb09be28b6d3fc720ed3b
Magnitude
M5.5
Depth
7.7 km
UTC time
2025-11-21 12:22:04 UTC
Local time
—
Country
—
Source
emsc
Coordinates
39.68120, 143.41870
Temperature
8.9°C

Depth profile

Depth profile Depth: 7.7 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 7.7 km
Shallow
7.7 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

Felt reports

1felt reports at EMSC / LastQuake

Voluntary reports of feeling this earthquake. The count is not an intensity measurement and is not added to USGS DYFI reports.

Data updated: Nov 21, 2025, 9:12 PM UTC · Last checked: Sep 6, 2026, 12:18 PM UTC

Source: EMSC / LastQuake

Nearby population centers

Distances are straight-line distances from the epicenter. Population data: GeoNames.

PlaceDistanceDirectionPopulation
Miyako126.6 kmW51'150
Hachinohe186.9 kmNW239'046
Sendai270.9 kmSW1'096'704

GeoNames · CC BY 4.0

Volcanoes nearby

  • Iwatesan Activity reported
    Distance: 208 km ·Complex ·Elevation: 2'038 m ·Last eruption: 1919 ·Japan
  • Hachimantai
    Distance: 221 km ·Stratovolcano ·Elevation: 1'613 m ·Last eruption: -5350 ·Japan
  • Akita-Komagatake
    Distance: 224 km ·Stratovolcano(es) ·Elevation: 1'637 m ·Last eruption: 1971 ·Japan
  • Akita-Yakeyama
    Distance: 229 km ·Stratovolcano ·Elevation: 1'366 m ·Last eruption: 1997 ·Japan
  • Towada
    Distance: 235 km ·Caldera ·Elevation: 1'011 m ·Last eruption: 915 ·Japan
  • Kurikomayama
    Distance: 240 km ·Stratovolcano ·Last eruption: 1950 ·Japan

Subsequent earthquakes nearby

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

First 6 hours3
First 24 hours3
First 72 hours6
Strongest subsequent eventM7.0
M5.32025-11-21 12:22:05 UTC9.8 kmEvent of magnitude 5.3, near of Sendai (Monde) M5.52025-11-21 12:22:05 UTC2.5 kmOff East Coast of Honshu, Japan M6.02025-11-21 12:22:05 UTC5.9 kmOff east coast of Honshu, Japan [Sea: Japan] M4.22025-11-23 03:37:30 UTC73.0 kmNEAR EAST COAST OF HONSHU, JAPAN M4.22025-11-23 21:25:39 UTC49.5 km124 km ESE of Yamada, Japan M3.72025-11-24 10:10:30 UTC149.8 kmNEAR EAST COAST OF HONSHU, JAPAN M3.42025-11-25 02:08:30 UTC115.3 kmNEAR EAST COAST OF HONSHU, JAPAN M4.42025-11-27 20:34:00 UTC23.9 kmOFF EAST COAST OF HONSHU, JAPAN M4.82025-11-27 20:34:00 UTC36.6 kmOff East Coast of Honshu, Japan M4.42025-11-29 21:46:32 UTC13.5 km116 km E of Miyako, Japan M5.22025-12-07 00:16:44 UTC19.8 kmEvent of magnitude 5.2, near of Sendai (Monde) M4.92025-12-07 00:16:44 UTC12.2 kmOff East Coast of Honshu, 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#35
Earlier events M≥4206
Earlier events M≥5121
Compared since2025-01-05

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

Strongest earlier events

M6.82025-11-09 08:03:38 UTC31.8 km126 km E of Yamada, Japan M6.82025-11-09 08:03:38 UTC24.0 kmOFF EAST COAST OF HONSHU, JAPAN M6.82025-11-09 08:03:38 UTC31.7 km M6.72025-11-09 08:03:42 UTC32.0 km133 km E of Yamada, Japan M6.72025-11-09 08:03:39 UTC25.1 kmOff east coast of Honshu, Japan [Sea: Japan]

Stats (last 24h)

Global (24h)
494
Country (24h)
—
—
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