On May 18, 1980, Mount St Helens erupted within the US state of Washington. The blast, which measured 5 on the Volcanic Explosively Index, has been declared as essentially the most disastrous volcanic eruption in trendy US historical past. An large column rose 80,000 ft into the environment and deposited ash in 11 states, killing a minimum of 57 folks and inflicting greater than $1billion (£770million) in injury.
Scientists are actually carefully watching the volcano to ensure they’re ready in case the identical occurs once more.
Amazon Prime’s “Mega Disaster: It’s Happened Before, It Will Happen Again” collection revealed how a workforce of volcanists monitor the ticking time bomb.
Rick LaHusen, from the United States Geological Survey (USGS), detailed how they use an instrument referred to as the “Spider” to keep watch over volcanic exercise.
“This is a GPS antenna which receives timing alerts from satellites and lets us find precisely what’s going on inside.
“The signals go into the computer system and then the data comes out at the request from computers back in the office.”
However, Dr LaHusen’s evaluation of the information supplied a chilling revelation. He added: “What is basically phenomenal is how a lot rock continues to be popping out of the bottom.