Some co-workers used to inspect avalanche control ammo for 105mm howitzers and 106mm recoilless rifles, but this is the first I've heard of using a tank.

Why Washington state used M60 tanks to prevent avalanches

As Fleetwood Mac taught us: If you fire an M60 tank's cannon at the snow-covered hills, an avalanche will bring it down.

Jeff Schogol
Posted 2 hours ago

The M60 main battle tank was designed to counter Soviet armor, but for three decades one in Washington faced another adversary: Avalanches.

That doesn’t mean tanks were used to attack an avalanche as they rolled down a mountainside. Rather, the Washington State Department of Transportation used M60s for many years to lob a shell at unstable snow sitting on steep slopes above towns and roads. The explosions triggered the snow to slide off the mountains with no risk to anyone below. The process is called avalanche control or mitigation.

Starting in the late 1990s, the department had a force of three tanks for avalanche control, but that number dwindled to one M60 by 2015, said John Stimberis, one of the department’s two avalanche forecaster supervisors...

Complete article:

https://taskandpurpose.com/tec...s-avalanche-control/