TIL hot spots fed by mantle plumes can result in lava floods in intraplate regions. These results in much more lava (hundreds of thousands of cubic kilometers of basalt) being released than regular eruptions and create flood basalts.

https://en.wikipedia.org/wiki/Flood_basalt
#til #todayilearned
https://www.reddit.com/r/todayilearned/comments/1ge1kgw/til_hot_spots_fed_by_mantle_plumes_can_result_in/