2025-09-18T21:32:11.96Z38.8339996337891-122.7860031127931.95000004768372manualconfirmedUSGS1.4md1Origin/20250918213410.47051.589289Magnitude/20250918213410.470562.589290USGS6 km WNW of Cobb, CAregion namenccatalognc75239282contributorID