2025-05-28T14:26:58.73Z40.7270011901855-124.2288360595712.1099996566772manualconfirmedUSGS2.31md1Origin/20250528142926.70285.23083Magnitude/20250528142926.702915.23084USGS3 km WNW of Humboldt Hill, CAregion namenccatalognc75187666contributorID