2025-12-04T16:48:23.0000Z38.823334-122.7648321.82manualconfirmedIRIS2.43Md1Origin/20251204165109.501018.136355Magnitude/20251204165109.50107.136356IRISNORTHERN CALIFORNIAregion nameNEIC PDEcatalognc75274356contributorID