M4.0 Depth: 20.0 km

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

UTC time: 2026-07-28 07:45:30 UTC Local time: —

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: 54 earthquakes were recorded in the past 24 hours, the strongest reaching M7.1.

Details

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

Map

Depth profile

Shallow

20 km

20 km — shallower than the regional average (34.2 km)

Regional average: 34.2 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

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

Distance: 103 km ·Caldera ·Elevation: 1'117 m ·Last eruption: 2026 ·Japan

Historic earthquake map · Japan

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Country statistics · Japan

Country overview

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

Stats (last 24h)

Global (24h)

698

Country (24h)