2026-02-19T08:56:59.26Z37.7686653137207-121.9381637573246.67000007629395manualconfirmedUSGS2.18md1Origin/20260219085934.618096.66010Magnitude/20260219085934.618156.66011USGS4 km ESE of San Ramon, CAregion namenccatalognc75315787contributorID