2025-08-16T01:22:43.49Z39.7735-122.914666666667-1.41manualconfirmedUSGS1.63md1Origin/20250818183932.422248.287209Magnitude/20250818183932.4223.287210USGS21 km NW of Alder Springs, CAregion namenccatalognc75224357contributorID