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M5.4 Depth: 10.0 km

M5.4 Earthquake near 146 km E of Miyako, Japan

UTC time: 2026-04-21 05:29:09 UTC Local time: —

About this earthquake

A magnitude M5.4 earthquake was recorded near 146 km E of Miyako, Japan on April 21, 2026 at 05:29 UTC. With a focal depth of about 10 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 event was recorded by USGS.

Details

Magnitude
M5.4
Depth
10.0 km
UTC time
2026-04-21 05:29:09 UTC
Local time
—
Country
—
Source
usgs
Coordinates
39.84810, 143.62730
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
Miyako145.9 kmW51'150
Hachinohe194.7 kmNW239'046
Sendai296.2 kmSW1'096'704

GeoNames · CC BY 4.0

Volcanoes nearby

  • Iwatesan
    Distance: 224 km ·Complex ·Elevation: 2'038 m ·Last eruption: 1919 ·Japan
  • Hachimantai
    Distance: 237 km ·Stratovolcano ·Elevation: 1'613 m ·Last eruption: -5350 ·Japan
  • Akita-Komagatake
    Distance: 242 km ·Stratovolcano(es) ·Elevation: 1'637 m ·Last eruption: 1971 ·Japan
  • Towada
    Distance: 245 km ·Caldera ·Elevation: 1'011 m ·Last eruption: 915 ·Japan
  • Akita-Yakeyama
    Distance: 245 km ·Stratovolcano ·Elevation: 1'366 m ·Last eruption: 1997 ·Japan
  • Hakkodasan
    Distance: 250 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 hours4
First 24 hours13
First 72 hours36
Strongest subsequent eventM5.9
M5.42026-04-21 05:29:10 UTC17.6 km M5.22026-04-21 05:29:10 UTC8.8 kmOff East Coast of Honshu, Japan M5.82026-04-21 05:29:12 UTC18.4 kmOff east coast of Honshu, Japan [Sea: Japan] M5.02026-04-21 05:29:13 UTC52.0 kmEvent of magnitude 5.0, near Sendai (Monde) M4.12026-04-21 16:18:10 UTC121.9 kmpu dai cun M4.62026-04-21 18:43:01 UTC52.6 kmOff East Coast of Honshu, Japan M4.42026-04-21 18:43:02 UTC60.4 km M5.62026-04-21 18:44:12 UTC37.1 kmOff east coast of Honshu M5.32026-04-21 18:44:13 UTC49.4 kmOff East Coast of Honshu, Japan M5.92026-04-21 18:44:15 UTC104.7 kmNear east coast of eastern Honshu M5.42026-04-22 00:01:09 UTC27.9 kmOff East Coast of Honshu, Japan M5.22026-04-22 00:01:11 UTC74.4 kmEvent of magnitude 5.2, near Sendai (Monde)

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#96
Earlier events M≥4369
Earlier events M≥5218
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 UTC47.1 kmOff east coast of Honshu, Japan [Sea: Japan] M7.42026-04-20 07:53:00 UTC50.9 km###.# km ( ###.# mi) NW (az= 308.7) from Wendover, UT M7.42026-04-20 07:52:59 UTC51.9 kmOff East Coast of Honshu, Japan M7.42026-04-20 07:52:58 UTC59.6 km M7.42026-04-20 07:52:56 UTC32.4 km115 km ENE of Miyako, Japan

Stats (last 24h)

Global (24h)
658
Country (24h)
—
—
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