An additional perilous scenario happens when a glacier flows across a stream or river, creating a dam that can lure a large amount of h2o. In spring 1986, Hubbard Glacier in Alaska surged and blocked the outlet of Russell Fjord, entrapping a significant lake. Fjords, glaciated valleys, and horns are https://beckettxchmq.ageeksblog.com/34854922/kiss918-an-overview