Portland's Danger Buildings

Labrat Revenge's Portland, Oregon: The Age of a City was 1 of the outset interactive edifice historic menstruation maps. The map colors Portland buildings footprints past times age. 544,033 buildings are displayed inwards total, resulting inwards a beautiful looking map that reveals to a greater extent than or less interesting facts most Portland's evolution over the years.

The Oregonian has similar a shot taken essentially the same information to practice a map visualizing the buildings inwards the metropolis most inwards danger from earthquake damage.


In 1974 Oregon enacted its outset statewide edifice code. In 1993 western Oregon adopted its outset seismic standards. Franz Rad, a professor of civil & environmental engineering at Portland State University, argues that these dates render a "broad-brush await at the vulnerability of buildings".

Portland buildings that predate 1974 are probable to move the most vulnerable to seismic activity. Buildings erected afterwards 1974 are improve built, as well as those built afterwards 1993 are fifty-fifty better.

Earthquakes: How Vulnerable are Portland’s Buildings? takes the Portland edifice historic menstruation information as well as colors the metropolis edifice footprints to present buildings constructed earlier 1974, those constructed betwixt 1974 & 1993 as well as buildings erected afterwards 1993. You tin thus role the map to assess the probable vulnerability of whatsoever Portland edifice during an earthquake.