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Taiwan

M3.4 Earthquake near Chiayi (Taiwan)

UTC time: 2026-09-23 21:57:05 UTC Local time: —

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About this earthquake

On September 23, 2026 at 21:57 UTC, a magnitude M3.4 earthquake occurred near Chiayi (Taiwan). With a focal depth of about 7 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 data is provided by Taiwan CWA and cross-checked across seismological networks.

Details

ID
fe3fca380eabc902c631dd13e4206f79982efb16
Magnitude
M3.4
Depth
7.3 km
UTC time
2026-09-23 21:57:05 UTC
Local time
—
Country
Taiwan
City
Chiayi
Village
Houhu
Source
cwa
Coordinates
23.50000, 120.46000

Depth profile

Depth profile Depth: 7.3 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 7.3 km
Shallow
7.3 km
7.3 km — shallower 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

Volcanoes nearby

  • Kueishantao
    Distance: 213 km ·Stratovolcano ·Elevation: 361 m ·Last eruption: 1853 ·Taiwan
  • Tatun Volcanic Group
    Distance: 217 km ·Lava dome(s) ·Elevation: 1'120 m ·Last eruption: 648 ·Taiwan
  • Submarine Volcano NNE of Iriomotejima
    Distance: 372 km ·Stratovolcano ·Elevation: -200 m ·Last eruption: 1924 ·Japan
  • Iraya
    Distance: 373 km ·Stratovolcano ·Elevation: 1'009 m ·Last eruption: 1454 ·Philippines
  • Babuyan Claro
    Distance: 468 km ·Stratovolcano(es) ·Elevation: 1'064 m ·Last eruption: 1924 ·Philippines

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Chiayi AirportTaiwan · CYI · RCKU
    8.2 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

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.

Open seismic profile

Historic earthquake map · Taiwan

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 · Taiwan

Country overview
View earthquake KPIs, strongest and latest events, and averages for this country.

Stats (last 24h)

Global (24h)
566
Country (24h)
Taiwan
1
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