2026-10-15T23:55:19.56Z38.824001312256-122.852836608892.3199999332428manualconfirmedUSGS1.75md1Origin/20261015235706.037665.59936Magnitude/20261015235706.037727.59937USGS10 km WNW of The Geysers, CAregion namenccatalognc75450226contributorID