2026-08-13T11:27:32.36Z37.917499542236-122.184501647956.0300002098083manualconfirmedUSGS0.73md1Origin/20260813112922.110041.362986Magnitude/20260813112922.110108.362987USGS5 km N of Orinda, CAregion namenccatalognc75417487contributorID