M1.73 Earthquake – 7 km SSE of Portola Valley, CA
18 August 2026, 14:04 UTC · 1 hour ago · Data: USGS
A magnitude 1.73 earthquake struck 7 km SSE of Portola Valley, CA on 18 August 2026, 14:04 UTC, at a depth of 8.8 km. This was a micro earthquake rarely felt by people.
- Magnitude
- 1.73 (md)
- Location
- 7 km SSE of Portola Valley, CA
- Date & time
- 18 August 2026, 14:04 UTC
- Coordinates
- 37.3322, -122.1965
- Depth
- 8.83 km
- Region
- Worldwide
- Source
- USGS event page
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