2026-04-27T00:49:59.19Z37.868833333333-121.936333333339.65manualconfirmedUSGS1.72md1Origin/20260429010420.063794.21323Magnitude/20260429010420.063852.21324USGS4 km NNE of Diablo, CAregion namenccatalognc75352237contributorID