M6.6 earthquake in Taiwan on December 27, 2025

Strong M6.6 quake: December 27, 2025, 15:05 UTC, epicenter 29 km east of Yilan. The rupture began 63 km below the surface. It was a shallow quake, and shallow quakes are usually felt most strongly at the surface.

6.6magnitude
63 kmdepth
15:05time UTC
greenUSGS alert

Key facts

439 people reported feeling it to USGS. The USGS PAGER system issued a green alert, expecting little impact. USGS flagged the event as an oceanic-region earthquake. Regional tsunami warning centers publish any tsunami information.

Nearest cities

  • Shulin District (Taiwan)71 km
  • Danshui (Taiwan)81 km
  • Toufen Township (Taiwan)114 km
  • Chang-hua (Taiwan)164 km
  • Chiayi City (Taiwan)210 km

Did you feel an earthquake?

Report it to seismologists. These reports help work out quickly where the shaking was strongest. It takes a minute.

Aftershocks

Since then USGS has recorded 24 quakes of magnitude 4.5 or more within 150 km, the strongest M5.8.

  • M5.8 · May 1, 12:39 UTC21 km
  • M5.5 · Sep 30, 05:00 UTC132 km
  • M5.2 · Apr 4, 17:14 UTC85 km
  • M5.1 · Mar 12, 12:14 UTC116 km
  • M4.9 · Oct 23, 20:58 UTC100 km
  • M4.9 · Oct 23, 20:48 UTC93 km
  • M4.9 · Aug 15, 11:30 UTC34 km
  • M4.9 · May 3, 16:18 UTC125 km

Regional history

Since 1976 there have been 82 earthquakes of magnitude 6 or more within 300 km. The strongest was M7.7 (September 20, 1999).

  • M7.7 · September 20, 1999147 km
  • M7.4 · April 2, 2024104 km
  • M7.4 · July 23, 1978272 km
  • M7.4 · November 14, 198699 km
  • M7.1 · March 31, 200247 km

See also

Source: USGS Earthquake Hazards Program (public domain). Seismologists may still revise the data. Data from Apr 17, 00:47 UTC.