2023-12-18T05:41:36.89Z38.8053322-122.82283022.36manualconfirmedUSGS0.75md1Origin/20231218054406.950326.16543Magnitude/20231218054406.950385.16544USGS6 km WNW of The Geysers, CAregion namenccatalognc73977641contributorID