Small 3.7 quake strikes near Trinidad, Las Animas County, Colorado, USA

An earthquake of magnitude 3.7 occurred just 11 minutes ago, 27 miles southwest of Trinidad, Colorado, United States, the United States Geological Survey reported.
The quake struck at a very shallow depth of 5.7 miles beneath the epicenter near Trinidad, Las Animas County, Colorado, USA, after midnight on Sunday, November 1st, 2026, at 12:55 am local time. The exact magnitude, epicenter, and depth of the quake might be revised within the next few hours or minutes as seismologists review the data and refine their calculations, or as other agencies issue their reports.
Our monitoring service identified a second report from the European-Mediterranean Seismological Centre (EMSC), which also listed the quake at magnitude 3.7.
Based on the preliminary seismic data, the quake should not have caused any significant damage but was probably felt by many people as a light vibration in the area of the epicenter.
Weak shaking might have been felt in Weston (pop. 55), located 11 miles from the epicenter.
Other towns or cities near the epicenter where the quake might have been felt as very weak shaking include Trinidad (pop. 8,200), located 27 miles from the epicenter; Raton (pop. 6,200), 29 miles away; Raton (pop. 6,200), 29 miles away; and Questa (pop. 1,800), 41 miles away. In Walsenburg (pop. 2,900, 44 miles away) and Taos (pop. 5,700, 54 miles away), the quake was probably not felt.


Earthquake data:
Date & time: Nov 1, 2026 12:55 am (Denver time) local time (1 Nov 2026 07:55 GMT)
Magnitude: 3.7
Hypocenter depth: 9.25 km
Epicenter coordinates: 37°N / 104.95°W (Las Animas County, Colorado, United States)
Primary data source: USGS
https://www.volcanodiscovery.com/earthquakes/news/397271/Small-37-quake-strikes-near-Trinidad-Las-Animas-County-Colorado-USA.html