Earthquake 6 km SSE of Portola Valley, CA (2.1 md) (2025-10-03 18:56:24 UTC)
A 2.1 magnitude earthquake struck on 6 km SSE of Portola Valley, CA, at 2025-10-03 18:56:24 UTC. Reviewed by USGS seismologists, this minor quake occurred at a magnitude type of md and was felt in surrounding areas. Stay updated on earthquake activity in 6 km SSE of Portola Valley, CA
Recommendation
Light Earthquake
Light Earthquake
Action
Light shaking may be felt indoors.
Suggestion
Stay where you are; it's usually not necessary to take any drastic action. Keep an eye on your surroundings in case of further tremors.
Magnitudo (md)
2.1
Automatic
USGS
Summary
- Intensity: 0
- Tsunami: 0
- ID: usgs_nc75244416
Nearest Places
- Mount Melville / 1.04 km
- Russian Ridge Open Space Preserve / 1.17 km
- Coal Creek Open Space / 1.41 km
- Russian Ridge / 1.55 km
- Langley Hill Quarry / 1.66 km
Comment
Latest Earthquake
2.3
39 km WSW of Mentone, Texas
Time:
Depth: 8.14 km
Source: USGS (Automatic)
Time:
Depth: 8.14 km
Source: USGS (Automatic)
2.3
WESTERN TEXAS
Time:
Depth: 8.10 km
Source: EMSC (Automatic)
Time:
Depth: 8.10 km
Source: EMSC (Automatic)
2.2
40 km WSW of Mentone, Texas
Time:
Depth: 6.86 km
Source: USGS (Automatic)
Time:
Depth: 6.86 km
Source: USGS (Automatic)
2.9
MOLUCCA SEA
Time:
Depth: 20.00 km
Source: EMSC (Automatic)
Time:
Depth: 20.00 km
Source: EMSC (Automatic)
2.9
Northern Molucca Sea
Time:
Depth: 18.25 km
Source: BMKG (Automatic)
Time:
Depth: 18.25 km
Source: BMKG (Automatic)
Nearest Earthquake
2.1
NORTHERN CALIFORNIA
Time:
Depth: 8.60 km
Source: EMSC (Automatic)
Time:
Depth: 8.60 km
Source: EMSC (Automatic)
1.0
16 km SSE of Livermore, CA
Time:
Depth: 8.58 km
Source: USGS (Automatic)
Time:
Depth: 8.58 km
Source: USGS (Automatic)