Another earthquake in Las Animas County, 7 quakes in southern Colorado in 24 hours

PROMO 660 x 440 Miscellaneous - Earthquake Seismograph - iStock - allanswart
Published Friday, March 10, 2023
by Chris Sorensen

A series of six earthquakes in Las Animas County began late Friday night with a quake measuring 4.3 on the Richter Scale has continued into Friday afternoon with another initially measuring 4.3. It was later revised to magnituded 3.9.


MAP Six earthquakes recorded in Las Animas County, Colorado, between March 9-10, 2023 - USGS
Six earthquakes recorded in Las Animas County, Colorado, between March 9-10, 2023 - USGS

The latest 4.3 earthquake occurred at 1:31 p.m. within a few miles of the first at a depth of about three miles according to the United States Geological Survey.

The six quakes are all centered west of Trinidad, and northwest of Lake Trinidad and Trinidad State Park.

March Las Animas County Earthquakes

Day / Time



Thursday / 11:06 p.m.


1 mile

Friday / 1:40 a.m.


4 miles

Friday / 2:43 a.m.


3 miles

Friday / 3:50 a.m.


1 mile

Friday / 8:30 a.m.


1.5 miles

Friday / 1:31 p.m.


3 miles

Elsewhere in southern Colorado, a magnitude 3.6 quake was recorded at 7:55 a.m. Friday in the Rico Mountains of San Juan County about nine miles south of Silverton, or 31 miles north of Durango.

No reports of damage have been received.

Minor earthquakes are relatively common in Las Animas County. Over the past 45 days, the area around Trinidad has experienced nine earthquakes measuring 2.5 or greater on the Richter Scale, including a magnitude 3.1 which occurred January 31 just outside of Trinidad. may earn an affiliate commission if you purchase products or services through links in an article. Prices, when displayed, are accurate at the time of publication but may change over time. Commissions do not influence editorial independence.

The Kiowa County Press is an independent newspaper published in Eads, Kiowa County, Colorado, and to the world at