2026-05-30T10:08:47.34Z37.88066482544-121.969169616710.64999961853manualconfirmedUSGS1.51md1Origin/20260530101115.026606.9182Magnitude/20260530101115.026667.9183USGS5 km N of Diablo, CAregion namenccatalognc75368351contributorID