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M3.9 Depth: 10.0 km

M3.9 Earthquake near Yatsushiro, Kumamoto Prefecture (Japan)

UTC time: 2026-07-28 08:43:30 UTC Local time: —

About this earthquake

On July 28, 2026 at 08:43 UTC, a magnitude M3.9 earthquake occurred near Yatsushiro, Kumamoto Prefecture (Japan). With a focal depth of about 10 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 data is provided by EMSC and cross-checked across seismological networks. Japan: over the past 24 hours, QuakeMap24 logged 50 earthquakes, the strongest at M7.1.

Details

Magnitude
M3.9
Depth
10.0 km
UTC time
2026-07-28 08:43:30 UTC
Local time
—
Country
Japan
State
Kumamoto Prefecture
City
Yatsushiro
Source
emsc
Coordinates
32.60000, 130.60000
Temperature
30.7°C

Map

Depth profile

Depth profile Depth: 10 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 10 km
Shallow
10 km
10 km — shallower than the regional average (34.3 km)
Regional average: 34.3 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

  • Unzendake
    Distance: 33 km ·Complex ·Elevation: 1'483 m ·Last eruption: 1996 ·Japan
  • Asosan
    Distance: 55 km ·Caldera ·Elevation: 1'592 m ·Last eruption: 2021 ·Japan
  • Kirishimayama
    Distance: 78 km ·Shield ·Elevation: 1'700 m ·Last eruption: 2025 ·Japan
  • Kujusan
    Distance: 81 km ·Stratovolcano(es) ·Elevation: 1'791 m ·Last eruption: 1996 ·Japan
  • Yonemaru-Sumiyoshiike
    Distance: 92 km ·Maar(s) ·Elevation: 40 m ·Last eruption: -6200 ·Japan
  • Yufu-Tsurumi
    Distance: 106 km ·Lava dome(s) ·Last eruption: 867 ·Japan

Historic earthquake map · Japan

Open history map
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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