2026-09-23T20:06:26.96Z36.585998535156-121.45433044434-0.22manualconfirmedUSGS1.5md1Origin/20260923200908.26372.10487Magnitude/20260923200908.263783.10488USGS6 km ENE of Chualar, CAregion namenccatalognc75440482contributorID