datamaps can show plots ("bubbles"), as specified by a list of objects with properties like latitude, longitude, radius and fillKey(if you want to color code the plots).
Extra properties will be passed to the popup template and plot-click/plot-mouseover/plot-mouseout events.
Data source: Milestone nuclear explosions
forked from markmarkoh's block: Milestone nuclear bomb tests
Updated missing url https://datamaps.github.com/scripts/datamaps-all.js to https://cdnjs.cloudflare.com/ajax/libs/datamaps/0.5.9/datamaps.all.min.js
https://datamaps.github.com/scripts/datamaps-all.js