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M5.4 Depth: 22.0 km

M5.4 Earthquake near Off East Coast of Honshu, Japan

UTC time: 2026-04-20 12:56:47 UTC Local time: —

About this earthquake

On April 20, 2026 at 12:56 UTC, a magnitude M5.4 earthquake occurred near Off East Coast of Honshu, Japan. The hypocenter lay relatively close to the surface at around 22 km, increasing how strongly it was felt. Earthquakes of this magnitude can damage poorly built structures.

The event was recorded by GFZ.

Details

Magnitude
M5.4
Depth
22.0 km
UTC time
2026-04-20 12:56:47 UTC
Local time
—
Country
—
Source
gfz
Coordinates
39.62000, 143.31000
Temperature
10.9°C

Map

Depth profile

Depth profile Depth: 22 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 22 km
Shallow
22 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
Miyako117.3 kmW51'150
Hachinohe182.5 kmNW239'046
Sendai259.4 kmSW1'096'704

GeoNames · CC BY 4.0

Volcanoes nearby

  • Iwatesan
    Distance: 199 km ·Complex ·Elevation: 2'038 m ·Last eruption: 1919 ·Japan
  • Hachimantai
    Distance: 213 km ·Stratovolcano ·Elevation: 1'613 m ·Last eruption: -5350 ·Japan
  • Akita-Komagatake
    Distance: 215 km ·Stratovolcano(es) ·Elevation: 1'637 m ·Last eruption: 1971 ·Japan
  • Akita-Yakeyama
    Distance: 221 km ·Stratovolcano ·Elevation: 1'366 m ·Last eruption: 1997 ·Japan
  • Kurikomayama
    Distance: 229 km ·Stratovolcano ·Elevation: 1'627 m ·Last eruption: 1950 ·Japan
  • Towada
    Distance: 229 km ·Caldera ·Elevation: 1'011 m ·Last eruption: 915 ·Japan

Subsequent earthquakes nearby

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

First 6 hours5
First 24 hours17
First 72 hours46
Strongest subsequent eventM6.7
M4.72026-04-20 14:15:29 UTC27.1 km112 km ENE of Miyako, Japan M4.62026-04-20 14:15:30 UTC54.0 kmOFF EAST COAST OF HONSHU, JAPAN M4.72026-04-20 16:13:14 UTC9.0 kmOff East Coast of Honshu, Japan M4.82026-04-20 16:13:16 UTC28.8 kmOff east coast of Honshu M4.42026-04-20 16:13:17 UTC20.2 kmOFF EAST COAST OF HONSHU, JAPAN M5.02026-04-21 02:35:45 UTC42.7 kmOff East Coast of Honshu, Japan M4.82026-04-21 02:35:47 UTC29.5 kmOFF EAST COAST OF HONSHU, JAPAN M4.42026-04-21 02:35:47 UTC142.6 km M5.02026-04-21 05:19:56 UTC37.3 kmOff East Coast of Honshu, Japan M4.72026-04-21 05:19:56 UTC41.0 km150 km E of Miyako, Japan M4.72026-04-21 05:19:57 UTC39.8 kmOFF EAST COAST OF HONSHU, JAPAN M5.32026-04-21 05:29:09 UTC37.1 km

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#97
Earlier events M≥4365
Earlier events M≥5217
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 UTC53.4 kmOff East Coast of Honshu, Japan M7.52026-04-20 07:52:59 UTC15.1 kmOff east coast of Honshu, Japan [Sea: Japan] M7.42026-04-20 07:53:01 UTC43.4 km100 km ENE of Miyako, Japan M7.42026-04-20 07:52:59 UTC37.2 kmOff East Coast of Honshu, Japan M7.42026-04-20 07:52:58 UTC53.9 kmNEAR EAST COAST OF HONSHU, JAPAN

Stats (last 24h)

Global (24h)
653
Country (24h)
—
—
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