M 4.0 - 6 km W of Glen Ellen, CA
December 14, 2025 at 23:30:43 UTC
Depth: 3.13 km (Shallow)
Light
PAGER Alert
Tsunami
Felt Reports
Event Details
| Magnitude | 4.0 mw |
| Depth | 3.13 km (Shallow) |
| Location | 38.3730N, 122.6040W |
| Community Intensity | IV (Light) |
| Mercalli Intensity | V (Moderate) |
| Felt Reports (DYFI) | 1,172 people |
| Alert Level (PAGER) | Green — No fatalities or damage expected |
| Tsunami Warning | Yes |
| Significance | 740 / 3000 |
| Status | Reviewed |
| Network | nc |
| USGS Event Page | View on USGS → |
Frequently Asked Questions
What does magnitude 4.03 mean?
A magnitude 4.03 earthquake is classified as "Light". Light earthquakes produce noticeable shaking but rarely cause damage.
How deep was this earthquake?
This earthquake occurred at a depth of 3.13 km, classified as "Shallow". Shallow earthquakes tend to cause more damage at the surface.
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Data from the USGS Earthquake Hazards Program (ComCat). QuakeScan is not affiliated with the USGS. Event details may be updated as new data becomes available.