2026-04-27T19:54:47.0000Z38.805167-122.76753.53manualconfirmedIRIS0.4md1Origin/20260429230233.725448.31459Magnitude/20260429230233.725511.31460IRISNORTHERN CALIFORNIAregion nameNEIC PDEcatalognc75352752contributorID