Magnitude
M3.1
- Depth
- 10.0 km
- Source
- EMSC
Kumamoto Prefecture · Yatsushiro
Country overviewJapan · Kumamoto Prefecture
M3.1 Earthquake near Yatsushiro, Kumamoto Prefecture (Japan)
Map
About this earthquake
On August 3, 2026 at 11:21 UTC, a magnitude M3.1 earthquake occurred near Yatsushiro, Kumamoto Prefecture (Japan). With a focal depth of about 10 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this magnitude are often felt but rarely cause damage.
The event was recorded by EMSC. Japan: over the past 24 hours, QuakeMap24 logged 3 earthquakes, the strongest at M5.1.
Details
ID
2302d457c34e8a32a0f7d89c36ba256251982b3c
Magnitude
M3.1
Depth
10.0 km
UTC time
2026-08-03 11:21:30 UTC
Local time
—
Country
State
City
Source
emsc
Coordinates
32.50000,
130.50000
Temperature
31.3°C
Depth profile
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
Radius · 50 km
Nearby infrastructure
Airports
- Amakusa Airport32.0 kmStraight-line distance
Japan · AXJ · RJDA
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
Yatsushiro
Context for this earthquake
21 Sep 2025 – 21 Sep 2026 · M ≥ 3.0 · 100 Catalogue entries
Of 99 other entries for this area and period, 67 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.
Open seismic profileHistoric earthquake map · Japan
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Country statistics · Japan
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Stats (last 24h)
Global (24h)
634
Country (24h)
Japan
3