2025-12-23T02:03:25.33Z37.7496681213379-121.9349975585948.27999973297119manualconfirmedUSGS1.36md1Origin/20251223020647.007893.30159Magnitude/20251223020647.007944.30160USGS5 km SE of San Ramon, CAregion namenccatalognc75285046contributorID