2024-08-20T18:22:32.04Z37.9583320617676-121.85466766357418.110000610351602manualconfirmedUSGS2md1Origin/20240820182452.639967.261596Magnitude/20240820182452.640016.261597USGS7 km SW of Antioch, CAregion namenccatalognc75051021contributorID