2026-03-02T04:08:30.58Z36.7803344726562-121.4081649780275.53000020980835manualconfirmedUSGS1.15md1Origin/20260302041017.144044.102913Magnitude/20260302041017.144104.102914USGS5 km SW of Ridgemark, CAregion namenccatalognc75321087contributorID