Every recorded earthquake within 30 km
Earthquakes near Security-Widefield, CO
No earthquake was likely felt in Security-Widefield in the 24 hours to 7:37 am MST (14:37 UTC). The last one was M 3.4, 187 km (116 mi) S, at 3:34 am MST on 8 November 2026, estimated intensity II (weak) in town; 2 felt reports to USGS.
M 1.7
Latest: 10:41 am MST on 5 November 2020 · 20 km (12 mi) SW of Security-Widefield, CO
The most recent earthquake near Security-Widefield was M 1.7, 20 km (12 mi) SW of Security-Widefield, CO, at 10:41 am MST on 5 November 2020, 5 km deep. The estimated shaking in Security-Widefield was intensity II (weak), felt by some people at rest indoors.
No earthquake of M1.5 or more was recorded within 30 km (19 mi) of Security-Widefield in the last 24 hours.
- Last 24 hours
- 0
- Last 7 days
- 0
- Last 30 days
- 0
- Last 12 months
- 0
- Since 2016
- 1 earthquake of M1.5 or more within 30 km
- Largest since 2016
- M 1.7 on 5 November 2020, 20 km (12 mi) SW of Security-Widefield, CO
- Reported felt
- 0 of them have felt reports to USGS
USGS · feed checked · newest earthquake in our database · this page · counts are earthquakes of M1.5 or more within 30 km (19 mi) of the town centre; shaking is estimated for the town centre with the intensity equation USGS Did You Feel It? uses
If you felt one
- Was that an earthquake? — checks what was recorded near you in the last hour
- Report what you felt to USGS — reports go to USGS, not to us, and they are what produces the intensity maps
- Expect aftershocks, and be ready to Drop, Cover, and Hold On if you feel one; if you are in a damaged building, go outside and move away from it (Ready.gov, FEMA; what to do during and after an earthquake)
- Earthquakes in Colorado — with the state's activity score
QuakeIndex does not issue warnings or forecasts. For earthquake early warning see ShakeAlert and the MyShake app.
Earthquake alerts for Security-Widefield, CO
Get a notification in this browser when USGS records an earthquake near Security-Widefield, CO. No account or email needed.
Alerts are on for .
Not a warning. An alert comes after USGS publishes a quake, usually minutes after the shaking. For early warning use ShakeAlert, through your phone's Wireless Emergency Alerts or the MyShake app.
The last 30 days
The latest 1
From the QuakeIndex database, which reads the USGS feed every 30 seconds and holds the USGS catalogue for the US from 2016 (M1.5+). Times are Security-Widefield time. Distances are from the town centre. Quakes USGS named after Security-Widefield are listed even when they are further out.
Show these earthquakes on your own site: a free card with the latest quakes near Security-Widefield, for a local news site, school or neighborhood page.
On the map
The white circle is Security-Widefield; dots are the 1 most recent earthquakes within 30 km. Map © OpenStreetMap contributors.
Estimated shaking in Security-Widefield
None of the quakes recorded near Security-Widefield since 2016 is likely to have been felt in town: each was small for its distance. Intensity II and III are felt by some people at rest indoors; IV by most people indoors; V and above wakes sleepers and moves objects.
| Magnitude | When | Distance | Shaking in Security-Widefield (est.) |
|---|---|---|---|
| M 1.7 | 20 km | II · Weak |
An estimate for the town centre from magnitude, depth and distance, with the intensity equation USGS Did You Feel It? uses (Atkinson & Wald, 2007), on the Modified Mercalli scale. Ground conditions change it street by street. It describes the past, not a hazard.
Before 2016
The USGS record since 1900 lists no earthquake of M5 or more within 50 km of Security-Widefield.
USGS ComCat, M5+ from 1900 to 2015. This is the record, not a forecast.
Be ready
Earthquakes cannot be predicted, here or anywhere, so the useful step is the one taken beforehand. The advice below is from the agencies responsible for it.
- Ready.gov: earthquakes (FEMA) — what to do before, during and after, including Drop, Cover, and Hold On
- Build a kit (FEMA) — water, food and supplies for several days; our summary
- USGS: preparedness — the hazard behind the advice, from the agency that records every quake on this page
- The Great ShakeOut — the yearly earthquake drill, with material for homes, schools and workplaces
QuakeIndex does not issue warnings or forecasts. For earthquake early warning see ShakeAlert and the MyShake app.