Do you able to access a popup information while Disable Network connection? And why?
Yes can access. Because the image map and KML file are download into user’s web browser for render at the time. User can zoom in, zoom out and pan at map but it cannot access more image map at the time. In addition, user can save KML file into drive.
Internet is not connect, but we can access a popup information because earthquakes information are rendered in client computer. Therefore, we can see earthquakes information although Internet disable
If internet is not connect, you can access a popup information because earthquakes map are rendered at the time. User can zoom in zoom out and pan but when you zoom in the earthquakes map are less clear.