quote. lanfear emerged from an elongated feature and flowed towards the northeast. at 1st it was an exciting out mostly harmless natural spectacle. but then on the morning of april 14th a 2 kilometer long crevasse broke open on the summit pushing the sub trainee and world skywards the volcano was covered by a several 100 meter thick ice cap millions and millions of tons of melt water formed under the. a tidal wave pool into the valley. people had been evacuated in time and luckily there were no casualties. but the collision of ice and lava led to the lava cooling down within seconds and exploding an ash cloud it rose 9 kilometers into the sky and brought air traffic