2021-12-11T19:50:46.0000Z39.479332-123.774498-0.56manualconfirmedIRIS1.86Md1Origin/20211211195331.934987.447882Magnitude/20211211195331.935039.447883IRISNEAR COAST OF NORTHERN CALIF.region nameNEIC PDEcatalognc73662736contributorID