Biogas explosion Severn Trent Green Power Cassington AD Facility

[kelper]

           
In lightningmaps charts, does the spot mark where the lightning hit the ground, where it originated or in between?

There was a methane explosion last night at about 19:17 hours at the Severn Trent Green recycling plant in Cassington, near Oxford.

But looking at the maps for the last 24 hours, the nearest strikes were three miles away?