2026-09-03T20:10:02.34Z37.453998565674-121.230163574227.9400000572205manualconfirmedUSGS1.71md1Origin/20260903201204.442688.71853Magnitude/20260903201204.44275.71854USGS9 km WSW of Patterson, CAregion namenccatalognc75429337contributorID