The Day Mount Saint Helen Challenged Uniformity.
Mount Saint Helen’s is a monument to rapid catastrophic events.

~~~[Date: May 18, 1980.Event: A magnitude 5.1 earthquake triggered the largest debris avalanche and lateral blast in U.S. history.

Impact:

The blast killed 57 people, leveled 230 square miles of forest, and blew away the top 1,300 feet of the mountain, reducing its elevation from 9,677 feet to 8,363 feet]~~~.. (Google)

Mount S.Helen changed everything.

The mount Saint Helen’s event clearly demonstrated that “Uniformitarianism”(present geological movements having always been the same throughout earth’s alleged 4.6 BYA history “coined by Sir Charles Lyell), can’t fully explain earth’s present topography, and that major catastrophic events over short periods of time are able to do significant amounts of damage.

Biblical Creationists point to the St. Helen’s event (and rightfully so) because if one volcanic event was able to do that amount of geological work in the matters of a few days or weeks, just imagine what a worldwide flood could do in one year ( volcanic activity and all) less than five millennia ago.