If you click on #msh45, a distinct visual language emerges. It isn't the polished, filtered perfection of Instagram influencer travel. It is raw and atmospheric.

The 1980 eruption remains the deadliest and most economically destructive volcanic event in U.S. history. The #MSH45 campaign serves several purposes:

: A Navy flyover detects a new "warm spot" on the north flank bulge, signaling that magma is moving closer to the surface.