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M4.6 Earthquake near Off East Coast of Honshu, Japan

UTC time: 2026-04-21 18:43:01 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
M4.6
Depth
32.0 km
Source
GFZ

Off East Coast of Honshu, Japan

Map

About this earthquake

A magnitude M4.6 earthquake was recorded near Off East Coast of Honshu, Japan on April 21, 2026 at 18:43 UTC. With a focal depth of about 32 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 GFZ and cross-checked across seismological networks.

Details

ID
345085d7d114203cc88d4262d6bca382bf78144b
Magnitude
M4.6
Depth
32.0 km
UTC time
2026-04-21 18:43:01 UTC
Local time
—
Country
—
Source
gfz
Coordinates
40.21000, 143.23000
Temperature
10.1°C

Depth profile

Depth profile Depth: 32 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 32 km
Shallow
32 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: 194 km ·Complex ·Elevation: 2'038 m ·Last eruption: 1919 ·Japan
  • Towada
    Distance: 202 km ·Caldera ·Elevation: 1'011 m ·Last eruption: 915 ·Japan
  • Hachimantai
    Distance: 204 km ·Stratovolcano ·Elevation: 1'613 m ·Last eruption: -5350 ·Japan
  • Hakkodasan
    Distance: 205 km ·Stratovolcano(es) ·Elevation: 1'584 m ·Last eruption: 1550 ·Japan
  • Akita-Yakeyama
    Distance: 212 km ·Stratovolcano ·Elevation: 1'366 m ·Last eruption: 1997 ·Japan
  • Akita-Komagatake
    Distance: 213 km ·Stratovolcano(es) ·Elevation: 1'637 m ·Last eruption: 1971 ·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)
519
Country (24h)
—
—
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