Back to map
Japan · Kumamoto Prefecture

M7.1 Earthquake near Uki, Kumamoto Prefecture (Japan)

UTC time: 2026-07-28 07:28:00 UTC Local time: —
Earthquake newsQuakeMap24
Archive record · original publication time was not recorded

Automatically generated from measurement data by QuakeMap24. Values may change after further analysis.

Map

M7.1 Earthquake near Uki, Kumamoto Prefecture (Japan) · 2026-07-28 — Map showing the location of the epicenter
M7.1 Earthquake near Uki, Kumamoto Prefecture (Japan) · 2026-07-28 — Map showing the location of the epicenter

About this earthquake

A magnitude M7.1 earthquake was recorded near Uki, Kumamoto Prefecture (Japan) on July 28, 2026 at 07:28 UTC. With a focal depth of about 10 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size can trigger serious destruction across large regions.

The data is provided by USGS and cross-checked across seismological networks. Japan: 4 earthquakes were recorded in the past 24 hours, the strongest reaching M4.1.

Details

ID
24ce2e4f093957d451081ec923b6e05ab2f81cf6
Magnitude
M7.1
Depth
10.0 km
UTC time
2026-07-28 07:28:00 UTC
Local time
—
Country
Japan
State
Kumamoto Prefecture
City
Uki
Source
usgs
Coordinates
32.60000, 130.70000
Temperature
31.2°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 (33.9 km)
Regional average: 33.9 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

Estimated impact

Red Severe impact likely.
Estimated population exposed
IV 9'815'713
V 3'388'072
VI 636'714
VII 374'783
VIII 635'782
IX 226'347

≈ 1'873'626 people experienced strong to very strong shaking.

75 Felt reports · max reported intensity 8.8

Ground shaking

IX
Violent · Intensity (MMI) IX
Heavy damage likely.

Tectonic context

Located on the Amur Plate.
Near the boundary Amur ↔ Okinawa · about 68 km away

Nearby population centers

Distances are straight-line distances from the epicenter. Population data: GeoNames.

PlaceDistanceDirectionPopulation
Uki4.3 kmNW59'928
Honmachi14.2 kmSW123'067
Kōtō City20.3 kmN543'730

GeoNames · CC BY 4.0

Volcanoes nearby

  • Unzendake
    Distance: 42 km ·Complex ·Elevation: 1'483 m ·Last eruption: 1996 ·Japan
  • Asosan Activity reported
    Distance: 48 km ·Caldera ·Elevation: 1'592 m ·Last eruption: 2021 ·Japan
  • Kujusan
    Distance: 75 km ·Stratovolcano(es) ·Elevation: 1'791 m ·Last eruption: 1996 ·Japan
  • Kirishimayama
    Distance: 76 km ·Shield ·Elevation: 1'700 m ·Last eruption: 2025 ·Japan
  • Yonemaru-Sumiyoshiike
    Distance: 93 km ·Maar(s) ·Elevation: 40 m ·Last eruption: -6200 ·Japan
  • Yufu-Tsurumi
    Distance: 99 km ·Lava dome(s) ·Last eruption: 867 ·Japan

Radius · 100 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Kumamoto AirportJapan · KMJ · RJFT
    30.1 kmStraight-line distance
  • Amakusa AirportJapan · AXJ · RJDA
    52.4 kmStraight-line distance
  • Kyushu Saga International AirportJapan · HSG · RJFS
    71.5 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-11-05

Nuclear power plants

  • Sendai nuclear power plantJapanOperating at dataset dateReactor units at site: 2
    97.9 kmStraight-line distance

Source: Global Energy Monitor · Global Nuclear Power Tracker · Dataset date: 2026-08

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

Subsequent earthquakes nearby

Events recorded after this earthquake within 500 km. They are not automatically classified as aftershocks.

First 6 hours52
First 24 hours81
First 72 hours114
Strongest subsequent eventM5.6
M4.22026-07-28 07:39:30 UTC14.5 kmKosa M3.82026-07-28 07:42:30 UTC11.1 kmKumamoto M4.02026-07-28 07:45:30 UTC14.5 kmYatsushiro M3.42026-07-28 07:50:30 UTC9.4 kmYatsushiro M3.62026-07-28 07:53:30 UTC21.8 kmYatsushiro M3.62026-07-28 07:55:30 UTC11.1 kmKumamoto M4.42026-07-28 07:59:30 UTC11.1 kmKumamoto M3.32026-07-28 08:03:30 UTC11.1 kmKumamoto M5.62026-07-28 08:08:35 UTC29.5 kmAshikita M3.92026-07-28 08:10:30 UTC21.8 kmYatsushiro M3.12026-07-28 08:14:30 UTC14.5 kmKosa M3.22026-07-28 08:16:30 UTC458.6 kmAridagawa

Comparison of seismic sources

6 sources currently report magnitudes from M6.0 to M6.8.

Measurements can differ because agencies use different networks and calculation methods. Values may be revised.

SourceMagnitudeDepthPosition difference
EMSCM6.410.0 km2.6 km
GFZM6.410.0 km8.7 km
RESIFM6.010.0 km8.7 km
SERBIA_RSZM6.410.0 km32.8 km
USGSM6.810.0 km9.3 km
INGVM6.519.3 km2.2 km

Kumamoto Prefecture

Context for this earthquake

05 Oct 2025 – 05 Oct 2026 · M ≥ 3.0 · 199 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

Historical context nearby

Comparison with recorded earthquakes before this event within 500 km.

Magnitude rank#1
Earlier events M≥4413
Earlier events M≥5143
Compared since2025-01-06

The QuakeMap24 comparison dataset begins on 2024-03-23. Earlier earthquakes may not be included.

Strongest earlier events

M7.12025-01-13 12:19:32 UTC120.1 kmMiyazaki M6.72025-04-02 14:03:56 UTC192.1 km M6.22025-04-02 14:03:57 UTC192.1 km54 km ENE of Nishinoomote, Japan M5.92026-01-06 01:18:48 UTC352.6 kmzhuang yuan shi M5.82026-05-02 09:28:41 UTC479.9 kmNear South Coast of Western Honshu

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.

Share