http://www.gearthhacks.com/ this is excellent. Save yourself the time by using other people’s files. There’s old stuff on the Tsunami and the USGS Earthquake file on recent quakes is a very useful tool. and i found one that has all 92 football grounds in England. Though when i looked at Coventry it was Highfield road, their old ground (I think they left there about 10 years ago) and when you zoomed in it was a building site!