Magnitude
M3.1
- Depth
- 20.0 km
- Source
- EMSC
shi dao cun
Country overviewJapan
M3.1 Earthquake near RYUKYU ISLANDS, JAPAN (Japan)
Map
About this earthquake
On July 31, 2025 at 04:00 UTC, a magnitude M3.1 earthquake occurred near RYUKYU ISLANDS, JAPAN (Japan). With a focal depth of about 20 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.
Details
ID
bd8396bc0b5e66f6fa0e848225d56f1f28102652
Magnitude
M3.1
Depth
20.0 km
UTC time
2025-07-31 04:00:30 UTC
Local time
—
Country
City
shi dao cun
Source
emsc
Coordinates
29.30000,
129.50000
Temperature
28.2°C
Depth profile
Shallow
20 km
20 km — shallower than the regional average (33.7 km)
Regional average: 33.7 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
Japan
Context for this earthquake
05 Oct 2025 – 05 Oct 2026 · M ≥ 3.0 · 968 Catalogue entries
Sufficiently reliable matching data are not currently available for a direct comparison. The area profile shows the available records and their limitations.
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