# Summary of 2009 tsunami damage to Upolu
This is a summary of damage to buildings in Upolu from the 2009 South Pacific Tsunami event.
Overall, we see that an estimated {total_damaged} buildings were damaged by tsunami inundation,
out of approximately {total_buildings} buildings in the affected regions. Of the damaged buildings
an estimated {total_collapsed} buildings were in a state of complete structural collapse and
would require a full rebuild.

A breakdown of the buildings based on the estimated degree of damage (or 'damage state')
is shown in the graph below. Note that these are not exact numbers, but are estimates based
on the probability of damage.

![Building damage states](building-damage-states.png)

The following image shows a breakdown of the number of buildings estimated to be in a collapsed state in each region.

![Region collapsed buildings](regional-collapsed-buildings.png)