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Japan · Kumamoto Prefecture

M4.0 Earthquake near Yatsushiro, Kumamoto Prefecture (Japan)

UTC time: 2026-07-28 07:45:30 UTC Local time: —
Magnitude
M4.0
Depth
20.0 km
Source
EMSC

Kumamoto Prefecture · Yatsushiro

Country overview

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About this earthquake

A magnitude M4.0 earthquake was recorded near Yatsushiro, Kumamoto Prefecture (Japan) on July 28, 2026 at 07:45 UTC. With a focal depth of about 20 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Tremors of this size are distinctly felt and can occasionally cause light damage.

The event was recorded by EMSC. Japan: 3 earthquakes were recorded in the past 24 hours, the strongest reaching M5.1.

Details

ID
b518104bc5e6ca97f7788bc503f8a3d879649e3a
Magnitude
M4.0
Depth
20.0 km
UTC time
2026-07-28 07:45:30 UTC
Local time
—
Country
Japan
State
Kumamoto Prefecture
City
Yatsushiro
Source
emsc
Coordinates
32.50000, 130.60000
Temperature
31.1°C

Depth profile

Depth profile Depth: 20 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 20 km
Shallow
20 km
20 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: 2026-09-21

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

21 Sep 2025 – 21 Sep 2026 · M ≥ 3.0 · 190 Catalogue entries

Sufficiently reliable matching data are not currently available for a direct comparison. The area profile shows the available records and their limitations.

Open seismic profile

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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