1.mount st Helen's is located in cascade mountain in the state of washington in the united states
2.mount st Helen's does not erupt in any pattern. when it last erupted in 1980 scientists had no idea that it was going to erupt because it did not fellow a pattern.
3.on may 18 1980 an earthquake marked the collapse of the north face of the mountain at 8.32 am a violent pyroclastic explosion of magma occurred hurling huge quanties of rock and ash and dust to the north and east the eruption continued for more than nine hours .57 people were killed .forest were flattened and torrents of ash and mud and debris choked the river .destroying bridges and industry was affected by the ash
.
.4.mounst st helans is famous for its devastating 1980 eruption which killed 57 people among the dead there was a geologist and others who were monitoring the volcano. The victims closest to the eruption were instantly killed. an earthquake triggered and land slide that unleashed the side of the volcano to erupt
1.mount st Helen's is located in cascade mountain in the state of washington in the united states
2.mount st Helen's does not erupt in any pattern. when it last erupted in 1980 scientists had no idea
that it was going to erupt because it did not fellow a pattern.
3.on may 18 1980 an earthquake marked the collapse of the north face of the mountain at 8.32 am
a violent pyroclastic explosion of magma occurred hurling huge quanties of rock and ash and dust to the north and east the eruption continued for more than nine hours .57 people were killed .forest were flattened and torrents of ash and mud and debris choked the river .destroying bridges and industry was affected by the ash
.
.4.mounst st helans is famous for its devastating 1980 eruption which killed 57 people among the dead there was a geologist and others who were monitoring the volcano. The victims closest to the eruption were instantly killed.
an earthquake triggered and land slide that unleashed the side of the volcano to erupt