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M3.9 Depth: 40.0 km

M3.9 Earthquake near NEAR S. COAST OF HONSHU, JAPAN (Japan)

UTC time: 2025-08-18 12:57:30 UTC Local time: —

About this earthquake

A magnitude M3.9 earthquake was recorded near NEAR S. COAST OF HONSHU, JAPAN (Japan) on August 18, 2025 at 12:57 UTC. With a focal depth of about 40 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this magnitude are often felt but rarely cause damage.

The event was recorded by EMSC.

Details

Magnitude
M3.9
Depth
40.0 km
UTC time
2025-08-18 12:57:30 UTC
Local time
—
Country
Japan
City
gang qi shi
Source
emsc
Coordinates
34.90000, 137.40000
Temperature
23.9°C

Map

Depth profile

Depth profile Depth: 40 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 40 km
Shallow
40 km
40 km — close to 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: 111 km ·Complex ·Elevation: 3'067 m ·Last eruption: 2014 ·Japan
  • Fujisan
    Distance: 131 km ·Stratovolcano ·Elevation: 3'776 m ·Last eruption: 1708 ·Japan
  • Norikuradake
    Distance: 135 km ·Stratovolcano(es) ·Elevation: 3'026 m ·Last eruption: -50 ·Japan
  • Akandanayama
    Distance: 145 km ·Stratovolcano ·Elevation: 2'109 m ·Japan
  • Yakedake
    Distance: 149 km ·Stratovolcano(es) ·Elevation: 2'455 m ·Last eruption: 1995 ·Japan
  • Hakusan
    Distance: 151 km ·Stratovolcano ·Elevation: 2'702 m ·Last eruption: 1659 ·Japan

Historic earthquake map · Japan

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Country statistics · Japan

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

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