2025-09-04T22:35:28.99Z39.7991676330566-122.85199737548810.5manualconfirmedUSGS2.17md1Origin/20250904223727.684149.461718Magnitude/20250904223727.684204.461719USGS20 km NNW of Alder Springs, CAregion namenccatalognc75233222contributorID