I am working on some projects in southern California and am noting that the aerial basemap has shifted about 10-30 feet to the east. For example, parcels boundaries are now out in the street and the custom layers that I created off the aerials a few weeks ago, no longer line up correctly. Did ESRI update their aerial basemap recently? Has anyone else discovered this shift? This is not a datum shift or some other projection problem. Should I just assume that ESRI basemap products can have up to 30 or 40 feet of horizontal error. I hope not, as I will be looking for a different solution for aerials moving forward.
Thanks in advance,