This site has considerable information:
http://www.gi.alaska.edu/~prakash/coalfires/india.html
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Here is a possible map that could provide a global interface:
http://en.wikipedia.org/wiki/Image:BlankMap-World.png
According to Wikipedia, this make can be used "for making country locator maps."
Here is a version with country borders drawn:
http://commons.wikimedia.org/wiki/Image:BlankMap-World-Borders.png
Here is a more comprehensive treatment of Wikipedia blank maps:
http://en.wikipedia.org/wiki/Wikipedia:Blank_maps#SVG_format_World_Maps
Here is the WikiProjects Maps page:
http://en.wikipedia.org/wiki/Wikipedia:WikiProject_Maps
Here is a page for "clickable maps":
http://en.wikipedia.org/wiki/Category:Wikipedia_geographic_imagemaps
Here is a world map that lets you click to regions (US, Canada, Africa, etc.):
http://en.wikipedia.org/wiki/Template:World_image_map#United_States