2026-01-01T06:59:06.91Z37.7503318786621-121.9421691894538.52000045776367manualconfirmedUSGS1.67md1Origin/20260101070658.153441.103193Magnitude/20260101070658.153491.103194USGS5 km SE of San Ramon, CAregion namenccatalognc75289581contributorID