2023-09-15T08:16:06.0000Z38.8335-122.8143331.81manualconfirmedIRIS1.35Md1Origin/20230915183022.11738.578672Magnitude/20230915183022.117442.578673IRISNORTHERN CALIFORNIAregion nameNEIC PDEcatalognc73936971contributorID