M4.8 Depth: 20.0 km

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

UTC time: 2026-04-20 10:37:31 UTC Local time:

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

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

Map

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
    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 ·Elevation: 1'627 m ·Last eruption: 1950 ·Japan
  • Towada
    Distance: 248 km ·Caldera ·Elevation: 1'011 m ·Last eruption: 915 ·Japan

Stats (last 24h)

Global (24h)
660
Country (24h)
Current earthquakes in
Magnitude Place Local time
No recent events available.

Share