Colorado · Earthquakes
Colorado earthquakes today and on record
Colorado gets real earthquakes, though far fewer than the West Coast. Since 1900 the USGS has recorded 92 of magnitude 3.5 or more, and 4 reached magnitude 5. Below: every quake in the state this week, a map, and the biggest since 1900.
Updated . Data: U.S. Geological Survey.
- Last 24 hours
- 0
- Past 7 days
- 1
- Most recent
- M3.4,
- Largest on record
- M5.5 (1960)
- M3.5+ since 1900
- 92
- M5+ since 1900
- 4
Earthquakes in Colorado this week
| Mag | Where | When | Depth |
|---|---|---|---|
| 3.4 | 8 km SSE of Stonewall Gap, Colorado 2 felt reports | 5 km |
Biggest earthquakes in Colorado since 1900
| Mag | Where | Date | Depth |
|---|---|---|---|
| 5.5 | 15 km E of Colona, Colorado | Oct 11, 1960 | 49 km |
| 5.5 | 7 km SE of Lochbuie, Colorado | Aug 9, 1967 | 10 km |
| 5.3 | 6 km S of Valdez, Colorado | Aug 23, 2011 | 4 km |
| 5.2 | 4 km NE of Derby, Colorado | Nov 27, 1967 | 5 km |
| 4.7 | 15 km ENE of Ridgway, Colorado | Feb 5, 1962 | 25 km |
| 4.7 | 9 km SSW of Starkville, Colorado | Aug 22, 2011 | 5 km |
| 4.5 | 28 km ENE of Hoehne, Colorado | Oct 3, 1966 | 10 km |
| 4.5 | 9 km SSE of Brighton, Colorado | Apr 27, 1967 | 5 km |
| 4.5 | 10 km NNW of Rangely, Colorado | Mar 20, 1995 | -3 km |
| 4.5 | 0 km SE of Cokedale, Colorado | Sep 5, 2001 | 5 km |
| 4.5 | 29 km E of La Sal, Utah | Mar 4, 2019 | 1 km |
| 4.4 | 17 km N of Sawpit, Colorado | Sep 13, 1994 | 10 km |
Quakes of magnitude 3.5+ by decade
Older decades look quieter partly because there were far fewer seismometers. Counts before about 1970 are incomplete.
Good to know
When was the last earthquake in Colorado?
The most recent one we have is a magnitude 3.4, 8 km SSE of Stonewall Gap, Colorado, on November 8. The list above updates every few minutes.
What was the biggest earthquake in Colorado?
A magnitude 5.5 near Colona, Colorado on October 11, 1960, the largest in the USGS catalog for the state since 1900.
Does Colorado get earthquakes?
Colorado gets real earthquakes, though far fewer than the West Coast. Since 1900 the USGS has recorded 92 of magnitude 3.5 or more, and 4 reached magnitude 5. The USGS national hazard map is the best guide to the chance of strong shaking where you live.
Also in Colorado
Colorado tornado history · Earthquakes today, nationwide · Did I just feel an earthquake?
Other states
History: USGS earthquake catalog, magnitude 3.5 and up since 1900, matched to the state by location (quakes just offshore count for the nearest state). Live: USGS real-time feeds.