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Japan · Kumamoto Prefecture

M3.8 Earthquake near Yatsushiro, Kumamoto Prefecture (Japan)

UTC time: 2026-09-07 14:21:30 UTC Local time: —
Magnitude
M3.8
Depth
10.0 km
Source
EMSC

Kumamoto Prefecture · Yatsushiro

Country overview

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About this earthquake

A magnitude M3.8 earthquake was recorded near Yatsushiro, Kumamoto Prefecture (Japan) on September 7, 2026 at 14:21 UTC. The hypocenter lay relatively close to the surface at around 10 km, increasing how strongly it was felt. Earthquakes of this magnitude are often felt but rarely cause damage.

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

Details

ID
2e3af218b2dfde03842c55b79495a1ef14659456
Magnitude
M3.8
Depth
10.0 km
UTC time
2026-09-07 14:21:30 UTC
Local time
—
Country
Japan
State
Kumamoto Prefecture
City
Yatsushiro
Source
emsc
Coordinates
32.50000, 130.60000
Temperature
27.9°C

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 (33.1 km)
Regional average: 33.1 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

  • Unzendake
    Distance: 40 km ·Complex ·Elevation: 1'483 m ·Last eruption: 1996 ·Japan
  • Asosan Activity reported
    Distance: 62 km ·Caldera ·Elevation: 1'592 m ·Last eruption: 2021 ·Japan
  • Kirishimayama
    Distance: 68 km ·Shield ·Elevation: 1'700 m ·Last eruption: 2025 ·Japan
  • Yonemaru-Sumiyoshiike
    Distance: 81 km ·Maar(s) ·Elevation: 40 m ·Last eruption: -6200 ·Japan
  • Kujusan
    Distance: 89 km ·Stratovolcano(es) ·Elevation: 1'791 m ·Last eruption: 1996 ·Japan
  • Aira Activity reported
    Distance: 103 km ·Caldera ·Elevation: 1'117 m ·Last eruption: 2026 ·Japan

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Amakusa AirportJapan · AXJ · RJDA
    41.4 kmStraight-line distance
  • Kumamoto AirportJapan · KMJ · RJFT
    44.5 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-20

This selection shows geographic proximity, not a hazard zone or confirmed impacts. Distances use recorded site coordinates. Sources & data dates

Yatsushiro

Context for this earthquake

20 Sep 2025 – 20 Sep 2026 · M ≥ 3.0 · 100 Catalogue entries

Of 99 other entries for this area and period, 20 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

Open seismic profile

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

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

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