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M4.6 Depth: 10.0 km

M4.6 Earthquake near Southwestern Ryukyu Islands, Japan

UTC time: 2026-02-28 21:41:52 UTC Local time: —

About this earthquake

A magnitude M4.6 earthquake was recorded near Southwestern Ryukyu Islands, Japan on February 28, 2026 at 21:41 UTC. With a focal depth of about 10 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this magnitude are clearly felt; minor damage to vulnerable buildings is possible.

The data is provided by GFZ and cross-checked across seismological networks.

Details

Magnitude
M4.6
Depth
10.0 km
UTC time
2026-02-28 21:41:52 UTC
Local time
—
Country
—
Source
gfz
Coordinates
24.18000, 125.57000
Temperature
23.0°C

Map

Depth profile

Depth profile Depth: 10 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 10 km
Shallow
10 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: 172 km ·Stratovolcano ·Elevation: -200 m ·Last eruption: 1924 ·Japan
  • Kueishantao
    Distance: 373 km ·Stratovolcano ·Elevation: 361 m ·Last eruption: 1853 ·Taiwan
  • Tatun Volcanic Group
    Distance: 421 km ·Lava dome(s) ·Elevation: 1'120 m ·Last eruption: 648 ·Taiwan
  • Io-Torishima
    Distance: 489 km ·Complex ·Elevation: 212 m ·Last eruption: 1968 ·Japan

Stats (last 24h)

Global (24h)
597
Country (24h)
—
—
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