david rothery as a professor in valcall just at the open university. he says there are gone, go, remains dangerous. there been a lot of earthquakes which are associated with the movement of magma or lava underground. and it's not quite clear where if any, where the law will emerge. good girl fishes opening. so they might event at near a gun. go is not yet. there's magna under ground, which as it rises to the surface because he's health and boy and fractions the rock . that's what causes the earth tremors on my break at high on the mountain and come down hill really quickly or my break out right under the city. not spread very fast, but it will be right in china already made the worst possible scenario is all the emerges on the floor of the neighboring leg, which is one of the african great lakes. it may be stratified like with a lot of come the oxide gas at the bottom of the lake, which you don't get turned. and d gases have a lot of supplication. gas released some of the reactions from the volcanoes, so much are explosive about throws ash possible. ha