3.4
Earthquake Details: 31 km S of Weston, Colorado
Jul 27, 2026, 06:40:15
A magnitude 3.4 earthquake occurred near 31 km S of Weston, Colorado on Jul 27, 2026 at 06:40:15. The seismic event was recorded at a depth of 5 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
Technical Details
Depth5 km
Significance179
Latitude36.8475
Longitude-104.8455
Event IDus7000t3lr
Magnitude3.4
Updated:Sep 1, 2026, 10:42:20 UTC
External Resources
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Time & depth
- Local time
- Jul 27, 2026, 00:40:15 MDT
- UTC
- Jul 27, 2026, 06:40:15 UTC
5 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby major cities
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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 1, 2026, 10:42 UTC.
Data sources:
- USGS — Credit: U.S. Geological Survey.
- EMSC — Credit: EMSC/CSEM. Event catalogue data are provided under CC BY 4.0. 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. CC BY 4.0
- GeoNet — We acknowledge the New Zealand GeoNet programme and its sponsors NHC, Earth Sciences NZ, LINZ, NEMA and MBIE for providing earthquake data.