2024-09-04T23:17:50.26Z37.8339996337891-121.8026657104496.19000005722046manualconfirmedUSGS1.35md1Origin/20240904231946.782582.368386Magnitude/20240904231946.782635.368387USGS9 km E of Blackhawk, CAregion namenccatalognc75057456contributorID