4 ms·

https://en.wikipedia.org/wiki/1980_eruption_of_Mount_St._Helens https://en.wikipedia.org/wiki/1980_eruption_of_Mount_St._Hel...

• RobRivera 2y ago
  I did the lahar hike to the 'now closed off' johnson observatory. The amount of terrain devastation that is still clearly evident over 40 years later is terrifying
  • pfdietz 2y ago
    Why was Johnson even there? There was a breakdown in risk assessment, particularly as the side of the volcano began to bulge.