2.3
Earthquake Details: 15 km WSW of Collbran, Colorado, United States
Aug 31, 2026, 11:21:47
- Depth
- 7.795 km
- Felt reports
- No data
Source: USGSUpdated: Sep 23, 2026, 06:50 AM UTC
A magnitude 2.3 earthquake occurred on Aug 31, 2026 at 11:21:47. Epicenter: 15 km WSW of Collbran, Colorado, United States. Reported depth: 7.795 km.
Status: Reviewed
Tsunami information
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Time & depth
- Local time
- Aug 31, 2026, 05:21:47 MDT
- UTC
- Aug 31, 2026, 11:21:47 UTC
7.795 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
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Nearby major cities
Agency measurements
Agencies may use different observations and magnitude scales, and initial estimates can change.
- USGSml 2.3
us7000td3v
- Depth:
- 7.8 km
- Status:
- Reviewed
- Time:
- Updated:
- Sep 23, 2026, 06:50 AM UTC
Technical Details
Depth7.795 km
Significance81
Latitude39.1983
Longitude-108.1281
Event IDus7000td3v
Magnitude2.3
Updated:Sep 23, 2026, 06:50:31 UTC
Regional Seismicity
External Resources
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Earthquake information is automatically aggregated from the official seismic agencies listed below. Preliminary measurements can change as agencies review an event; use local emergency authorities for safety decisions. Latest successful data update: Sep 23, 2026, 06:50 UTC.
Data sources:
- USGS — Credit: U.S. Geological Survey.
- EMSC — Credit: EMSC/CSEM. Event catalogue data are provided under CC BY 4.0.
- JMA — Source: Japan Meteorological Agency (JMA).
- Geoscience Australia — Based on Australian Earthquakes data by Geoscience Australia. © Commonwealth of Australia. Licensed under CC BY 4.0; the section 5 disclaimer applies.
- GeoNet — We acknowledge the New Zealand GeoNet programme and its sponsors NHC, Earth Sciences NZ, LINZ, NEMA and MBIE for providing earthquake data.
- CENC / Wolfx — CENC earthquake parameters via Wolfx, an independent unofficial relay.
- GFZ / GEOFON — Locations, depths and magnitudes: GFZ/GEOFON using GEVN network data (CC BY 4.0).