Starfleet Academy is where recruits to Starfleet's officer corps are trained. It was created in the year 2161, when the United Federation of Planets was founded.
1 day after people:Power plants in San Francisco turn off and the city and the academy are dark forever.
1 week after people:Vegetation starts growing on the academy grounds and cover the classrooms and offices and break windows.
10 years after people:Corrosion erases paint and corrodes the Enterprise ship which will never take off again.
34 years after people:3 Academy buildings collapse and training rooms are destroyed.The uniforms are damaged.
44 years after people:All the fountains have no water in them and the diplomas have corroded.
60 years after people:10 starfleet Academy buildings have collapsed by now with Starfleet Headquarters still intact.
80 years after people:As the roof falls into the building,much of san Francisco's landmarks are gone and the Golden Gate Bridge still is there.
100 years after people:The Golden Gate Bridge collapses and it is not seen from the Academy by now.
112 years after people:The Enterprise is destroyed and the Starfleet Headquarters buildings has collapsed.
197 years after people:The campus of Starfleet Academy is become unrecognizaple.
200 years after people:Starfleet Academy's last buildings have collapsed and it is unrecognizable.The rest of the Starfleet buildings will collapse soon.