2026-10-27T15:52:18.19Z37.601333618164-121.671165466310.77999997138977manualconfirmedUSGS2.08md1Origin/20261027155420.490473.139470Magnitude/20261027155420.490537.139471USGS12 km SE of Livermore, CAregion namenccatalognc75455636contributorID