M1.80 Earthquake – 7 km W of Saint Helena, CA
18 September 2026, 10:35 UTC · 1 hour ago · Data: USGS
A magnitude 1.80 earthquake struck 7 km W of Saint Helena, CA on 18 September 2026, 10:35 UTC, at a depth of 8.6 km. This was a micro earthquake rarely felt by people.
- Magnitude
- 1.80 (md)
- Location
- 7 km W of Saint Helena, CA
- Date & time
- 18 September 2026, 10:35 UTC
- Coordinates
- 38.4947, -122.5478
- Depth
- 8.56 km
- Region
- Worldwide
- Source
- USGS event page
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