2025-11-18T07:11:09.2Z37.759334564209-121.9386672973637.57000017166138manualconfirmedUSGS1.19md1Origin/20251118071317.021676.72539Magnitude/20251118071317.02173.72540USGS4 km ESE of San Ramon, CAregion namenccatalognc75265036contributorID