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M3.9 Depth: 50.0 km

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

UTC time: 2025-07-29 18:59:30 UTC Local time: —

About this earthquake

On July 29, 2025 at 18:59 UTC, a magnitude M3.9 earthquake occurred near NEAR EAST COAST OF HONSHU, JAPAN (Japan). With a focal depth of about 50 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. Japan: over the past 24 hours, QuakeMap24 logged 3 earthquakes, the strongest at M4.7.

Details

Magnitude
M3.9
Depth
50.0 km
UTC time
2025-07-29 18:59:30 UTC
Local time
—
Country
Japan
City
tsukuba shi
Source
emsc
Coordinates
36.20000, 140.10000
Temperature
22.6°C

Map

Depth profile

Depth profile Depth: 50 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 50 km
Shallow
50 km
50 km — deeper than the regional average (35.1 km)
Regional average: 35.1 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

  • Takaharayama
    Distance: 83 km ·Stratovolcano ·Elevation: 1'795 m ·Last eruption: -4570 ·Japan
  • Nantaisan
    Distance: 83 km ·Stratovolcano ·Elevation: 2'486 m ·Last eruption: -9540 ·Japan
  • Omanago Group
    Distance: 88 km ·Lava dome(s) ·Elevation: 2'341 m ·Last eruption: -3050 ·Japan
  • Akagisan
    Distance: 91 km ·Stratovolcano ·Elevation: 1'828 m ·Japan
  • Nikko-Shiranesan
    Distance: 93 km ·Shield ·Elevation: 2'578 m ·Last eruption: 1952 ·Japan
  • Nasudake
    Distance: 104 km ·Stratovolcano(es) ·Elevation: 1'915 m ·Last eruption: 1963 ·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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