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:
M5.4 earthquake near 146 km E of Miyako, Japan on Apr 21, 2026 — map of epicenter and shaking intensity | QuakeMap24
M5.4 Earthquake near 146 km E of Miyako, Japan · 2026-04-21 05:29:09 UTC

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: 1'584 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 hours4
First 24 hours16
First 72 hours39
Strongest subsequent eventM5.9

Comparison of seismic sources

2 sources currently report magnitudes from M5.3 to M5.4.

Measurements can differ because agencies use different networks and calculation methods. Values may be revised.

SourceMagnitudeDepthPosition difference
NNSNM5.310.0 km0.0 km
USGSM5.410.0 km0.0 km

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#110
Earlier events M≥4384
Earlier events M≥5232
Compared since2025-01-05

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

Strongest earlier events

Stats (last 24h)

Global (24h)
1035
Country (24h)
Current earthquakes in
Magnitude Place Local time
No recent events available.

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