This can't be good.........
www.cnn.com
www.newscientist.com

Tonga eruption's towering plume reached the third layer of Earth's atmosphere | CNN
When the Hunga Tonga-Hunga Ha'apai volcano erupted underwater in January, it created a plume of ash and water that broke through the third layer of Earth's atmosphere.

Tonga eruption's volcanic plume reached above the stratosphere twice
The plume ejected by the Hunga Tonga-Hunga Haʻapai volcano in January entered the mesosphere, the layer of atmosphere above the stratosphere, twice during the eruption