Earthquake 4 km SW of Alamo, CA (1.3 md) (2025-08-20 16:18:30 UTC)
A 1.3 magnitude earthquake struck on 4 km SW of Alamo, CA, at 2025-08-20 16:18:30 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 4 km SW of Alamo, CA
Recommendation
Minor Earthquake
Minor Earthquake
Action
No need for significant action. These tremors are typically imperceptible or barely felt.
Suggestion
Remain calm and observe. These are often harmless and not a cause for concern.
Magnitudo (md)
1.3
Automatic
USGS
Summary
- Intensity: 0
- Tsunami: 0
- ID: usgs_nc75226277
Nearest Places
- Nike Site SF-25C (historical) / 0.85 km
- Rocky Ridge / 0.89 km
- Las Trampas Peak / 1.52 km
- Nike Site SF-25L (historical) / 1.54 km
- East Bay Regional Park District Ambulance Station 3 / 1.59 km
Comment
Latest Earthquake
1.7
58 km S of Whites City, New Mexico
Time:
Depth: 3.77 km
Source: USGS (Automatic)
Time:
Depth: 3.77 km
Source: USGS (Automatic)
2.5
WESTERN TURKEY
Time:
Depth: 12.70 km
Source: EMSC (Automatic)
Time:
Depth: 12.70 km
Source: EMSC (Automatic)
0.6
18 km W of Searles Valley, CA
Time:
Depth: 9.46 km
Source: USGS (Automatic)
Time:
Depth: 9.46 km
Source: USGS (Automatic)
2.2
Sulawesi, Indonesia
Time:
Depth: 13.35 km
Source: BMKG (Automatic)
Time:
Depth: 13.35 km
Source: BMKG (Automatic)
2.3
WESTERN TURKEY
Time:
Depth: 10.40 km
Source: EMSC (Automatic)
Time:
Depth: 10.40 km
Source: EMSC (Automatic)
Nearest Earthquake
1.0
23 km ENE of Alum Rock, CA
Time:
Depth: 6.32 km
Source: USGS (Automatic)
Time:
Depth: 6.32 km
Source: USGS (Automatic)