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M5.0 Earthquake near Off East Coast of Honshu, Japan

UTC time: 2026-04-21 02:35:45 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
M5.0
Depth
10.0 km
Source
GFZ

Off East Coast of Honshu, Japan

Map

M5.0 Earthquake near Off East Coast of Honshu, Japan · 2026-04-21 — Map showing the location of the epicenter
M5.0 Earthquake near Off East Coast of Honshu, Japan · 2026-04-21 — Map showing the location of the epicenter

About this earthquake

On April 21, 2026 at 02:35 UTC, a magnitude M5.0 earthquake occurred near Off East Coast of Honshu, Japan. The hypocenter lay relatively close to the surface at around 10 km, increasing how strongly it was felt. Earthquakes of this magnitude can damage poorly built structures.

The event was recorded by GFZ.

Details

ID
a66995e135aab63bce165dcfab220cc927effc4a
Magnitude
M5.0
Depth
10.0 km
UTC time
2026-04-21 02:35:45 UTC
Local time
—
Country
—
Source
gfz
Coordinates
40.00000, 143.38000
Temperature
10.6°C

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
Miyako129.0 kmW51'150
Hachinohe169.0 kmW239'046
Sendai290.0 kmSW1'096'704

GeoNames · CC BY 4.0

Volcanoes nearby

  • Iwatesan Activity reported
    Distance: 204 km ·Complex ·Elevation: 2'038 m ·Last eruption: 1919 ·Japan
  • Hachimantai
    Distance: 215 km ·Stratovolcano ·Elevation: 1'613 m ·Last eruption: -5350 ·Japan
  • Towada
    Distance: 220 km ·Caldera ·Elevation: 1'011 m ·Last eruption: 915 ·Japan
  • Akita-Komagatake
    Distance: 222 km ·Stratovolcano(es) ·Elevation: 1'637 m ·Last eruption: 1971 ·Japan
  • Akita-Yakeyama
    Distance: 224 km ·Stratovolcano ·Elevation: 1'366 m ·Last eruption: 1997 ·Japan
  • Hakkodasan
    Distance: 224 km ·Stratovolcano(es) ·Elevation: 1'584 m ·Last eruption: 1550 ·Japan

Subsequent earthquakes nearby

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

First 6 hours10
First 24 hours23
First 72 hours41
Strongest subsequent eventM5.9
M4.82026-04-21 02:35:47 UTC24.0 kmOFF EAST COAST OF HONSHU, JAPAN M5.02026-04-21 05:19:56 UTC29.8 kmOff East Coast of Honshu, Japan M4.72026-04-21 05:19:56 UTC29.2 km150 km E of Miyako, Japan M4.72026-04-21 05:19:57 UTC27.8 kmOFF EAST COAST OF HONSHU, JAPAN M5.32026-04-21 05:29:09 UTC27.0 km M5.02026-04-21 05:29:09 UTC30.6 kmOff East Coast of Honshu, Japan M5.42026-04-21 05:29:10 UTC10.4 kmOFF EAST COAST OF HONSHU, JAPAN M5.22026-04-21 05:29:10 UTC18.3 kmOff East Coast of Honshu, Japan M5.82026-04-21 05:29:12 UTC20.5 kmOff east coast of Honshu, Japan [Sea: Japan] M5.02026-04-21 05:29:13 UTC28.6 kmEvent of magnitude 5.0, near Sendai (Monde) M4.12026-04-21 16:18:10 UTC98.4 kmpu dai cun M4.52026-04-21 18:42:59 UTC7.2 km

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#234
Earlier events M≥4432
Earlier events M≥5252
Compared since2025-01-05

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

Strongest earlier events

M7.62026-04-20 07:52:57 UTC23.1 kmOff East Coast of Honshu, Japan M7.62025-12-08 14:15:09 UTC143.9 km84 km ENE of Misawa, Japan M7.52026-04-20 07:52:59 UTC43.8 kmOff east coast of Honshu, Japan [Sea: Japan] M7.42026-04-20 07:53:01 UTC28.9 km100 km ENE of Miyako, Japan M7.42026-04-20 07:52:59 UTC33.9 kmOff East Coast of Honshu, Japan

Stats (last 24h)

Global (24h)
493
Country (24h)
—
—
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