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M3.9 Depth: 40.0 km

M3.9 Earthquake near SOUTHWESTERN RYUKYU ISL., JAPAN

UTC time: 2025-07-16 20:17:30 UTC Local time: —

About this earthquake

On July 16, 2025 at 20:17 UTC, a magnitude M3.9 earthquake occurred near SOUTHWESTERN RYUKYU ISL., JAPAN. The hypocenter lay relatively close to the surface at around 40 km, increasing how strongly it was felt. Earthquakes of this magnitude are often felt but rarely cause damage.

The event was recorded by EMSC.

Details

Magnitude
M3.9
Depth
40.0 km
UTC time
2025-07-16 20:17:30 UTC
Local time
—
Country
—
Source
emsc
Coordinates
24.20000, 125.20000
Temperature
28.6°C

Map

Depth profile

Depth profile Depth: 40 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 40 km
Shallow
40 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: 135 km ·Stratovolcano ·Elevation: -200 m ·Last eruption: 1924 ·Japan
  • Kueishantao
    Distance: 336 km ·Stratovolcano ·Elevation: 361 m ·Last eruption: 1853 ·Taiwan
  • Tatun Volcanic Group
    Distance: 384 km ·Lava dome(s) ·Elevation: 1'120 m ·Last eruption: 648 ·Taiwan

Stats (last 24h)

Global (24h)
616
Country (24h)
—
—
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