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Japan · Kumamoto Prefecture

M4.1 Earthquake near Kumamoto, Kumamoto Prefecture (Japan)

UTC time: 2026-07-28 15:15:30 UTC Local time: —
Magnitude
M4.1
Depth
10.0 km
Source
EMSC

Kumamoto Prefecture · Kumamoto

Country overview

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About this earthquake

On July 28, 2026 at 15:15 UTC, a magnitude M4.1 earthquake occurred near Kumamoto, Kumamoto Prefecture (Japan). The hypocenter lay relatively close to the surface at around 10 km, increasing how strongly it was felt. Tremors of this size are distinctly felt and can occasionally cause light damage.

The event was recorded by EMSC.

Details

ID
1d02c073b7245f205b28fee430b2f10a162b3f8a
Magnitude
M4.1
Depth
10.0 km
UTC time
2026-07-28 15:15:30 UTC
Local time
—
Country
Japan
State
Kumamoto Prefecture
City
Kumamoto
Source
emsc
Coordinates
32.70000, 130.70000
Temperature
29.2°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: 38 km ·Complex ·Elevation: 1'483 m ·Last eruption: 1996 ·Japan
  • Asosan Activity reported
    Distance: 41 km ·Caldera ·Elevation: 1'592 m ·Last eruption: 2021 ·Japan
  • Kujusan
    Distance: 67 km ·Stratovolcano(es) ·Elevation: 1'791 m ·Last eruption: 1996 ·Japan
  • Kirishimayama
    Distance: 87 km ·Shield ·Elevation: 1'700 m ·Last eruption: 2025 ·Japan
  • Yufu-Tsurumi
    Distance: 91 km ·Lava dome(s) ·Last eruption: 867 ·Japan
  • Yonemaru-Sumiyoshiike
    Distance: 104 km ·Maar(s) ·Elevation: 40 m ·Last eruption: -6200 ·Japan

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Kumamoto AirportJapan · KMJ · RJFT
    21.0 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

Kumamoto Prefecture

Context for this earthquake

20 Sep 2025 – 20 Sep 2026 · M ≥ 3.0 · 189 Catalogue entries

Of 188 other entries for this area and period, 24 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

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

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