Glacial trough lakes and fjords – deep, blue, beautiful, inviting. Several weeks ago, while developing materials for a new course on geology through the movies, we watched the 2015 Norwegian disaster/action-thriller The Wave, in which a rockfall high above the Geiranger Fjord creates a displacement wave (landslide-generated tsunami) up to 80 m high that destroysContinue reading “HazBlog-007: Landslide generated tsunami – the 2007 Chehalis Lake, B.C. Canada Example”