2026-10-18T15:45:38.61Z38.848834991455-122.847000122071.460000038147manualconfirmedUSGS0.28md1Origin/20261018154727.542446.75415Magnitude/20261018154727.542506.75416USGS11 km WNW of Cobb, CAregion namenccatalognc75451601contributorID