2025-03-29T04:23:25.96Z37.1230010986328-121.5171661376956.3899998664856manualconfirmedUSGS1.07md1Origin/20250329042518.83452.37575Magnitude/20250329042518.834576.37576USGS9 km ENE of San Martin, CAregion namenccatalognc75157032contributorID