M1.10 Earthquake – 3 km NNE of Portola Valley, CA
18 August 2026, 10:08 UTC · 1 hour ago · Data: USGS
A magnitude 1.10 earthquake struck 3 km NNE of Portola Valley, CA on 18 August 2026, 10:08 UTC, at a depth of 3.4 km. This was a micro earthquake rarely felt by people.
- Magnitude
- 1.10 (md)
- Location
- 3 km NNE of Portola Valley, CA
- Date & time
- 18 August 2026, 10:08 UTC
- Coordinates
- 37.4073, -122.2257
- Depth
- 3.41 km
- Region
- Worldwide
- Source
- USGS event page
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