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Japan

M3.8 Earthquake near SOUTHWESTERN RYUKYU ISL., JAPAN (Japan)

UTC time: 2025-06-18 22:39:30 UTC Local time: —

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About this earthquake

On June 18, 2025 at 22:39 UTC, a magnitude M3.8 earthquake occurred near SOUTHWESTERN RYUKYU ISL., JAPAN (Japan). With a focal depth of about 30 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Shaking of this size is frequently noticed but usually harmless.

The event was recorded by EMSC.

Details

ID
b1ee66efbd0d3a73db8ee5af031c1da93fcf63aa
Magnitude
M3.8
Depth
30.0 km
UTC time
2025-06-18 22:39:30 UTC
Local time
—
Country
Japan
City
gong gu dao shi
Source
emsc
Coordinates
24.90000, 125.40000
Temperature
27.8°C

Depth profile

Depth profile Depth: 30 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 30 km
Shallow
30 km
30 km — close to 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

  • Submarine Volcano NNE of Iriomotejima
    Distance: 153 km ·Stratovolcano ·Elevation: -200 m ·Last eruption: 1924 ·Japan
  • Kueishantao
    Distance: 348 km ·Stratovolcano ·Elevation: 361 m ·Last eruption: 1853 ·Taiwan
  • Tatun Volcanic Group
    Distance: 389 km ·Lava dome(s) ·Elevation: 1'120 m ·Last eruption: 648 ·Taiwan
  • Io-Torishima
    Distance: 435 km ·Complex ·Elevation: 212 m ·Last eruption: 1968 ·Japan

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Miyako AirportJapan · MMY · ROMY
    16.8 kmStraight-line distance
  • Shimojishima AirportJapan · SHI · RORS
    27.0 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-10-05

This selection shows geographic proximity, not a hazard zone or confirmed impacts. Distances use recorded site coordinates. Sources & data dates

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 profile

Historic earthquake map · Japan

Open history map
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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