2026-10-21T23:04:26.62Z36.383335113525-121.221496582032.49manualconfirmedUSGS1.6md1Origin/20261021230610.208502.99455Magnitude/20261021230610.208566.99456USGS7 km NNE of Greenfield, CAregion namenccatalognc75453106contributorID