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M4.1 Earthquake near Southwestern Ryukyu Islands, Japan

UTC time: 2026-03-28 17:59:37 UTC Local time: —
Magnitude
M4.1
Depth
10.0 km
Source
GFZ

Southwestern Ryukyu Islands, Japan

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About this earthquake

On March 28, 2026 at 17:59 UTC, a magnitude M4.1 earthquake occurred near Southwestern Ryukyu Islands, Japan. With a focal depth of about 10 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Tremors of this size are distinctly felt and can occasionally cause light damage.

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

Details

ID
5bf43d0ae330a1ca11d2eca8705b54a6e3dff90a
Magnitude
M4.1
Depth
10.0 km
UTC time
2026-03-28 17:59:37 UTC
Local time
—
Country
—
Source
gfz
Coordinates
24.00000, 123.17000
Temperature
23.5°C

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: 100 km ·Stratovolcano ·Elevation: -200 m ·Last eruption: 1924 ·Japan
  • Kueishantao
    Distance: 155 km ·Stratovolcano ·Elevation: 361 m ·Last eruption: 1853 ·Taiwan
  • Tatun Volcanic Group
    Distance: 209 km ·Lava dome(s) ·Elevation: 1'120 m ·Last eruption: 648 ·Taiwan
  • Iraya
    Distance: 410 km ·Stratovolcano ·Elevation: 1'009 m ·Last eruption: 1454 ·Philippines

No unambiguous area assignment

Context for this earthquake

This event has no unambiguous country assignment in the analysed catalogue. It is therefore not assigned to a regional profile.

Earthquake overview

Stats (last 24h)

Global (24h)
684
Country (24h)
—
—
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