Magnitude
M3.9
- Depth
- 20.0 km
- Source
- EMSC
shi dao cun
Country overviewJapan
M3.9 Earthquake near RYUKYU ISLANDS, JAPAN (Japan)
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About this earthquake
On June 29, 2025 at 10:39 UTC, a magnitude M3.9 earthquake occurred near RYUKYU ISLANDS, JAPAN (Japan). The hypocenter lay relatively close to the surface at around 20 km, increasing how strongly it was felt. Earthquakes of this magnitude are often felt but rarely cause damage.
The data is provided by EMSC and cross-checked across seismological networks. Japan: over the past 24 hours, QuakeMap24 logged 4 earthquakes, the strongest at M4.4.
Details
ID
cc06cb0aff7a208b0eb1ab76b624e5cc91117579
Magnitude
M3.9
Depth
20.0 km
UTC time
2025-06-29 10:39:30 UTC
Local time
—
Country
City
shi dao cun
Source
emsc
Coordinates
29.30000,
129.40000
Temperature
29.5°C
Depth profile
Shallow
20 km
20 km — shallower than the regional average (33.6 km)
Regional average: 33.6 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.
Open seismic profileHistoric earthquake map · Japan
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Country statistics · Japan
View earthquake KPIs, strongest and latest events, and averages for this country.
Stats (last 24h)
Global (24h)
579
Country (24h)
Japan
4
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