Quiz: What geological event is responsible for the formation of La January 12, 2025 by Lake Core Editors Desk What geological event is responsible for the formation of Lake Tahoe? Discover more about Lake Tahoe at our Lake Tahoe Category. A) Volcanic activity B) Glacial erosion C) Tectonic uplift D) River sedimentation Submit Answer See also Quiz: What is the largest town located on the shores of Lake Como?