Map of London colour-coded for social deprivation index; the darker the red, the poorer the area. Little volcano icons represent riot actions as of ~9pm GMT Tuesday 9th August 2011. Click through for full-size interactive/zoomable version.

Of course, these riots are have nothing to do with poverty or deprivation. After all, they could all have decent jobs if only they just tried harder, right? </sarcasm>

EDIT: for those interested, the 2010 English Indices of Deprivation are collated by (believe it or not) the Department for Communities and Local Government themselves; here’s a PDF summary, or you can dig around here for more detailed versions or direct access to data.