M3.8 earthquake 34 km SSW of Segundo, Colorado
A magnitude 3.8 earthquake struck 34 km SSW of Segundo, Colorado at Jul 6, 5:21 AM ET, 4 km deep, minor – felt by people near the epicenter. 8 people reported feeling it.
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| Magnitude | 3.8 ml |
| Time | 6 Jul 2026, 09:21 UTC |
| Location | 36.825°, -104.832° – 34 km SSW of Segundo, Colorado |
| Depth | 4.4 km |
| Felt reports | 8 |
| Max. estimated intensity (MMI) | 4.7 |
| PAGER alert | green |
| USGS event | us6000tadn |
Other earthquakes nearby this year
| Mag. | Where | When (ET) | Depth | Felt |
|---|---|---|---|---|
| 4.1 | 18 km SSW of Weston, Colorado · PAGER green | May 7, 1:44 PM 162 d ago | 2 km | 40 reports |
| 3.8 | 16 km SSE of Stonewall Gap, Colorado | Jun 20, 1:32 PM 118 d ago | 8 km | 4 reports |
| 3.8 | 32 km WSW of Raton, New Mexico | Jan 30, 2:20 AM 260 d ago | 5 km | 6 reports |
| 3.7 | 32 km SSW of Segundo, Colorado · PAGER green | Jul 6, 5:31 AM 102 d ago | 5 km | 3 reports |
| 3.4 | 31 km S of Weston, Colorado | Jul 27, 2:40 AM 82 d ago | 5 km | 4 reports |
| 3.4 | 25 km NE of Ute Park, New Mexico | Apr 28, 12:07 PM 171 d ago | 6 km | – |
| 3.4 | 17 km SSW of Weston, Colorado | Apr 10, 2:59 AM 190 d ago | 7 km | – |
| 3.2 | 15 km SSW of Weston, Colorado | Apr 5, 2:54 AM 195 d ago | 8 km | 1 report |
| 3.1 | 18 km SSW of Weston, Colorado | Jun 25, 2:21 PM 113 d ago | 6 km | – |
| 3.0 | 13 km SSE of Stonewall Gap, Colorado | May 16, 9:04 PM 153 d ago | 3 km | – |
| 3.0 | 27 km SSW of Sequndo, Colorado | Sep 18, 2:25 AM 394 d ago | 5 km | – |
| 2.9 | 16 km SSE of Stonewall Gap, Colorado | Jun 20, 5:04 PM 118 d ago | 5 km | 1 report |
About this earthquake
How strong was the 34 km SSW of Segundo, Colorado earthquake?
Magnitude 3.8 (ml), minor – felt by people near the epicenter. Depth 4 km. Strongest estimated shaking: intensity 4.7 on the Modified Mercalli scale.
Was it felt?
8 people reported feeling it to the USGS "Did You Feel It?" survey; the highest reported intensity was 3.4.
Were there aftershocks?
1 earthquakes within 100 km in the following two weeks are in our records, the strongest M3.7.
More
Source: U.S. Geological Survey (USGS) earthquake catalog, real-time feeds and FDSN event service; magnitudes and locations are revised by seismologists for hours after an event. Times are Eastern (ET) unless marked UTC. Not an alert service: for warnings follow local authorities and tsunami centers.