Earthquake reference
4 km N of Alum Rock, CA
0.78 | 2026-09-16T21:30:03.980000+00:00 | 37.4038333333333 | -121.833666666667
333Same Day Events
8.0Nearest Airport Distance Km
5Same Day Events Count
5Similar Magnitude Events Count
5Nearest Airports Count
5Nearest Postal Codes Count
Key facts
- Magnitude
- 0.78
- Occurred at
- 2026-09-16T21:30:03.980000+00:00
- Updated at
- 2026-09-29T09:26:24.821000+00:00
- Review status
- removed-from-feed
- Latitude
- 37.4038333333333
- Longitude
- -121.833666666667
- Depth (km)
- -0.54
Source and context
- Source
- USGS Earthquake Hazards Program
- Applicable date
- 2026-10-18
- Dataset version
- 3cf1423f7d0a
- License
- United States public domain
Reference data can change. Verify consequential decisions against the original source.