M3.9 Depth: 20.0 km

M3.9 Earthquake near RYUKYU ISLANDS, JAPAN (Japan)

UTC time: 2025-06-29 11:16:30 UTC Local time:

About this earthquake

A magnitude M3.9 earthquake was recorded near RYUKYU ISLANDS, JAPAN (Japan) on June 29, 2025 at 11:16 UTC. 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. Japan: over the past 24 hours, QuakeMap24 logged 4 earthquakes, the strongest at M3.8.

Details

Magnitude
M3.9
Depth
20.0 km
UTC time
2025-06-29 11:16:30 UTC
Local time
Country
City
shi dao cun
Source
emsc
Coordinates
29.30000, 129.40000
Temperature
29.4°C

Map

Depth profile

Depth profile Depth: 20 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 20 km
Shallow
20 km
20 km — shallower than the regional average (35.3 km)
Regional average: 35.3 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

  • Akusekijima
    Distance: 26 km ·Stratovolcano(es) ·Elevation: 555 m ·Japan
  • Suwanosejima
    Distance: 48 km ·Stratovolcano(es) ·Elevation: 796 m ·Last eruption: 2026 ·Japan
  • Yokoatejima
    Distance: 68 km ·Stratovolcano(es) ·Elevation: 495 m ·Last eruption: 1835 ·Japan
  • Nakanoshima
    Distance: 76 km ·Stratovolcano(es) ·Elevation: 979 m ·Last eruption: 1914 ·Japan
  • Kuchinoshima
    Distance: 90 km ·Stratovolcano(es) ·Elevation: 628 m ·Last eruption: 1190 ·Japan
  • Kuchinoerabujima
    Distance: 150 km ·Stratovolcano(es) ·Elevation: 657 m ·Last eruption: 2020 ·Japan

Historic earthquake map · Japan

Explore recent and long-term earthquake activity in this country. Use filters to narrow down by magnitude, depth, and date range.

Country statistics · Japan

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

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