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Taiwan

M4.6 Earthquake near 23.9 km S of Yilan County Hall (Taiwan)

UTC time: 2026-10-17 03:13:19 UTC Local time: —

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About this earthquake

A magnitude M4.6 earthquake was recorded near 23.9 km S of Yilan County Hall (Taiwan) on October 17, 2026 at 03:13 UTC. With a focal depth of about 67 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 Taiwan CWA and cross-checked across seismological networks.

Details

ID
e62ebdc6ac4bb9a6c35178d88512f748ec712fc8
Magnitude
M4.6
Depth
67.1 km
UTC time
2026-10-17 03:13:19 UTC
Local time
—
Country
Taiwan
Source
cwa
Coordinates
24.52000, 121.76000
Temperature
27.3°C

Depth profile

Depth profile Depth: 67.1 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 67.1 km
Shallow
67.1 km
67.1 km — deeper than the regional average (25.9 km)
Regional average: 25.9 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

Tectonic context

Located on the Okinawa Plate.
Near the boundary Okinawa ↔ Philippine Sea · about 10 km away

Volcanoes nearby

  • Kueishantao
    Distance: 41 km ·Stratovolcano ·Elevation: 361 m ·Last eruption: 1853 ·Taiwan
  • Tatun Volcanic Group
    Distance: 76 km ·Lava dome(s) ·Elevation: 1'120 m ·Last eruption: 648 ·Taiwan
  • Submarine Volcano NNE of Iriomotejima
    Distance: 220 km ·Stratovolcano ·Elevation: -200 m ·Last eruption: 1924 ·Japan
  • Iraya
    Distance: 451 km ·Stratovolcano ·Elevation: 1'009 m ·Last eruption: 1454 ·Philippines

Taiwan

Context for this earthquake

05 Oct 2025 – 05 Oct 2026 · M ≥ 3.0 · 169 Catalogue entries

Sufficiently reliable matching data are not currently available for a direct comparison. The area profile shows the available records and their limitations.

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