Back to map
M5.8 Depth: 8.6 km

M5.8 Earthquake near Off east coast of Honshu, Japan [Sea: Japan]

UTC time: 2026-04-21 05:29:12 UTC Local time: —

About this earthquake

On April 21, 2026 at 05:29 UTC, a magnitude M5.8 earthquake occurred near Off east coast of Honshu, Japan [Sea: Japan]. With a focal depth of about 9 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size can cause damage near the epicenter.

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

Details

Magnitude
M5.8
Depth
8.6 km
UTC time
2026-04-21 05:29:12 UTC
Local time
—
Country
—
Source
ingv
Coordinates
39.81800, 143.41600
Temperature
9.4°C

Map

Depth profile

Depth profile Depth: 8.6 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 8.6 km
Shallow
8.6 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
Miyako127.6 kmW51'150
Hachinohe179.6 kmNW239'046
Sendai279.7 kmSW1'096'704

GeoNames · CC BY 4.0

Volcanoes nearby

  • Iwatesan
    Distance: 206 km ·Complex ·Elevation: 2'038 m ·Last eruption: 1919 ·Japan
  • Hachimantai
    Distance: 219 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: 227 km ·Stratovolcano ·Elevation: 1'366 m ·Last eruption: 1997 ·Japan
  • Towada
    Distance: 229 km ·Caldera ·Elevation: 1'011 m ·Last eruption: 915 ·Japan
  • Hakkodasan
    Distance: 235 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 hours1
First 24 hours10
First 72 hours33
Strongest subsequent eventM6.7
M5.02026-04-21 05:29:13 UTC36.8 kmEvent of magnitude 5.0, near Sendai (Monde) M4.12026-04-21 16:18:10 UTC105.2 kmpu dai cun M4.62026-04-21 18:43:01 UTC46.4 kmOff East Coast of Honshu, Japan M4.42026-04-21 18:43:02 UTC52.4 km M5.62026-04-21 18:44:12 UTC37.8 kmOff east coast of Honshu M5.32026-04-21 18:44:13 UTC40.7 kmOff East Coast of Honshu, Japan M5.92026-04-21 18:44:15 UTC93.8 kmNear east coast of eastern Honshu M5.42026-04-22 00:01:09 UTC10.5 kmOff East Coast of Honshu, Japan M5.22026-04-22 00:01:11 UTC58.1 kmEvent of magnitude 5.2, near Sendai (Monde) M5.32026-04-22 00:01:12 UTC21.1 km M4.22026-04-22 09:49:07 UTC33.3 km M4.52026-04-22 09:49:11 UTC82.6 kmNear East Coast of Honshu, Japan

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#43
Earlier events M≥4402
Earlier events M≥5233
Compared since2025-01-05

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

Strongest earlier events

M7.52026-04-20 07:52:59 UTC30.0 kmOff east coast of Honshu, Japan [Sea: Japan] M7.42026-04-20 07:53:00 UTC35.0 km###.# km ( ###.# mi) NW (az= 308.7) from Wendover, UT M7.42026-04-20 07:52:59 UTC34.3 kmOff East Coast of Honshu, Japan M7.42026-04-20 07:52:58 UTC44.7 km M7.42026-04-20 07:52:56 UTC15.8 km115 km ENE of Miyako, Japan

Stats (last 24h)

Global (24h)
651
Country (24h)
—
—
Current earthquakes in
Magnitude Place Local time
No recent events available.

Share