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M3.4 Depth: 20.0 km

M3.4 Earthquake near EASTERN HONSHU, JAPAN (Japan)

UTC time: 2025-08-30 18:49:30 UTC Local time: —

About this earthquake

On August 30, 2025 at 18:49 UTC, a magnitude M3.4 earthquake occurred near EASTERN HONSHU, JAPAN (Japan). With a focal depth of about 20 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Shaking of this size is frequently noticed but usually harmless.

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

Details

Magnitude
M3.4
Depth
20.0 km
UTC time
2025-08-30 18:49:30 UTC
Local time
—
Country
Japan
City
a nan ting
Source
emsc
Coordinates
35.30000, 137.80000
Temperature
19.5°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
20 km — shallower than the regional average (35.3 km)
Regional average: 35.3 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

  • Ontakesan
    Distance: 72 km ·Complex ·Elevation: 3'067 m ·Last eruption: 2014 ·Japan
  • Fujisan
    Distance: 84 km ·Stratovolcano ·Elevation: 3'776 m ·Last eruption: 1708 ·Japan
  • Norikuradake
    Distance: 92 km ·Stratovolcano(es) ·Elevation: 3'026 m ·Last eruption: -50 ·Japan
  • Yokodake
    Distance: 99 km ·Stratovolcano(es) ·Elevation: 2'480 m ·Last eruption: 1200 ·Japan
  • Akandanayama
    Distance: 102 km ·Stratovolcano ·Elevation: 2'109 m ·Japan
  • Yakedake
    Distance: 105 km ·Stratovolcano(es) ·Elevation: 2'455 m ·Last eruption: 1995 ·Japan

Historic earthquake map · Japan

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Explore recent and long-term earthquake activity in this country. Use filters to narrow down by magnitude, depth, and date range.

Country statistics · Japan

Country overview
View earthquake KPIs, strongest and latest events, and averages for this country.

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