2023-12-31T05:50:52.1Z38.8089981-122.82250211.89manualconfirmedUSGS1.04md1Origin/20231231055258.636597.108988Magnitude/20231231055258.63665.108989USGS7 km WNW of The Geysers, CAregion namenccatalognc73983296contributorID