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M3.8 Depth: 20.0 km

M3.8 Earthquake near RYUKYU ISLANDS, JAPAN (Japan)

UTC time: 2025-06-30 10:27:30 UTC Local time: —

About this earthquake

A magnitude M3.8 earthquake was recorded near RYUKYU ISLANDS, JAPAN (Japan) on June 30, 2025 at 10:27 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 data is provided by EMSC and cross-checked across seismological networks. Japan: 4 earthquakes were recorded in the past 24 hours, the strongest reaching M3.8.

Details

Magnitude
M3.8
Depth
20.0 km
UTC time
2025-06-30 10:27:30 UTC
Local time
—
Country
Japan
City
shi dao cun
Source
emsc
Coordinates
29.30000, 129.40000
Temperature
29.9°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

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

Country statistics · Japan

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

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