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M5.4 Depth: 10.0 km

M5.4 Earthquake near OFF EAST COAST OF HONSHU, JAPAN

UTC time: 2026-04-21 05:29:10 UTC Local time: —

About this earthquake

On April 21, 2026 at 05:29 UTC, a magnitude M5.4 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. Events of this size can cause damage near the epicenter.

The event was recorded by EMSC.

Details

Magnitude
M5.4
Depth
10.0 km
UTC time
2026-04-21 05:29:10 UTC
Local time
—
Country
—
Source
emsc
Coordinates
39.92010, 143.44360
Temperature
9.4°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
Miyako132.0 kmW51'150
Hachinohe177.2 kmW239'046
Sendai288.5 kmSW1'096'704

GeoNames · CC BY 4.0

Volcanoes nearby

  • Iwatesan
    Distance: 209 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: 226 km ·Stratovolcano(es) ·Elevation: 1'637 m ·Last eruption: 1971 ·Japan
  • Towada
    Distance: 227 km ·Caldera ·Elevation: 1'011 m ·Last eruption: 915 ·Japan
  • Akita-Yakeyama
    Distance: 229 km ·Stratovolcano ·Elevation: 1'366 m ·Last eruption: 1997 ·Japan
  • Hakkodasan
    Distance: 233 km ·Stratovolcano(es) ·Elevation: 1'585 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 hours2
First 24 hours13
First 72 hours36
Strongest subsequent eventM5.9
M5.82026-04-21 05:29:12 UTC11.6 kmOff east coast of Honshu, Japan [Sea: Japan] M5.02026-04-21 05:29:13 UTC34.8 kmEvent of magnitude 5.0, near Sendai (Monde) M4.12026-04-21 16:18:10 UTC104.9 kmpu dai cun M4.62026-04-21 18:43:01 UTC37.0 kmOff East Coast of Honshu, Japan M4.42026-04-21 18:43:02 UTC44.1 kmOFF EAST COAST OF HONSHU, JAPAN M5.62026-04-21 18:44:12 UTC26.3 kmOff east coast of Honshu M5.32026-04-21 18:44:13 UTC32.6 kmOff East Coast of Honshu, Japan M5.92026-04-21 18:44:15 UTC87.5 kmNear east coast of eastern Honshu M5.22026-04-21 18:44:16 UTC34.1 kmOff East Coast of Honshu, Japan M5.22026-04-22 00:01:07 UTC2.8 kmOff East Coast of Honshu, Japan M5.42026-04-22 00:01:09 UTC14.5 kmOff East Coast of Honshu, Japan M5.22026-04-22 00:01:11 UTC57.4 kmEvent of magnitude 5.2, near Sendai (Monde)

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#110
Earlier events M≥4417
Earlier events M≥5246
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 UTC32.1 kmOff East Coast of Honshu, Japan M7.52026-04-20 07:52:59 UTC39.5 kmOff east coast of Honshu, Japan [Sea: Japan] M7.42026-04-20 07:53:00 UTC34.1 km###.# km ( ###.# mi) NW (az= 308.7) from Wendover, UT M7.42026-04-20 07:52:59 UTC36.6 kmOff East Coast of Honshu, Japan M7.42026-04-20 07:52:58 UTC42.3 kmNEAR EAST COAST OF HONSHU, JAPAN

Stats (last 24h)

Global (24h)
657
Country (24h)
—
—
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