2024-08-16T08:44:16.15Z37.7765007019043-121.9891662597667.17000007629395manualconfirmedUSGS1.63md1Origin/20240816084618.574596.227013Magnitude/20240816084618.574651.227014USGS1 km W of San Ramon, CAregion namenccatalognc75049041contributorID