2026-05-02T23:27:42.93Z37.573665618896-121.590332031252.710000038147manualconfirmedUSGS2.55md1Origin/20260502233022.084998.60791Magnitude/20260502233022.08506.60792USGS20 km SE of Livermore, CAregion namenccatalognc75355817contributorID