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M4.8 Earthquake near OFF EAST COAST OF HONSHU, JAPAN

UTC time: 2026-04-20 10:37:31 UTC Local time: —
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Archive record · original publication time was not recorded

Automatically generated from measurement data by QuakeMap24. Values may change after further analysis.

Magnitude
M4.8
Depth
20.0 km
Source
EMSC

OFF EAST COAST OF HONSHU, JAPAN

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About this earthquake

On April 20, 2026 at 10:37 UTC, a magnitude M4.8 earthquake occurred near OFF EAST COAST OF HONSHU, JAPAN. With a focal depth of about 20 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this magnitude are clearly felt; minor damage to vulnerable buildings is possible.

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

Details

ID
3fd19839ae939e2f83b5b9ab13523fff87cbc2d1
Magnitude
M4.8
Depth
20.0 km
UTC time
2026-04-20 10:37:31 UTC
Local time
—
Country
—
Source
emsc
Coordinates
39.48610, 143.47200
Temperature
10.5°C

Depth profile

Depth profile Depth: 20 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 20 km
Shallow
20 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

Volcanoes nearby

  • Iwatesan Activity reported
    Distance: 215 km ·Complex ·Elevation: 2'038 m ·Last eruption: 1919 ·Japan
  • Hachimantai
    Distance: 230 km ·Stratovolcano ·Elevation: 1'613 m ·Last eruption: -5350 ·Japan
  • Akita-Komagatake
    Distance: 231 km ·Stratovolcano(es) ·Elevation: 1'637 m ·Last eruption: 1971 ·Japan
  • Akita-Yakeyama
    Distance: 238 km ·Stratovolcano ·Elevation: 1'366 m ·Last eruption: 1997 ·Japan
  • Kurikomayama
    Distance: 238 km ·Stratovolcano ·Last eruption: 1950 ·Japan
  • Towada
    Distance: 248 km ·Caldera ·Elevation: 1'011 m ·Last eruption: 915 ·Japan

No unambiguous area assignment

Context for this earthquake

This event has no unambiguous country assignment in the analysed catalogue. It is therefore not assigned to a regional profile.

Earthquake overview

Stats (last 24h)

Global (24h)
494
Country (24h)
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