Quiz: Which volcanic eruption led to the formation of Crater Lake? March 11, 2025 by Gideon Lakewood Which volcanic eruption led to the formation of Crater Lake? Discover more about Crater Lake Tours at our home page. A) The eruption of Mount Mazama B) The eruption of Mount St. Helens C) The eruption of Mount Shasta D) The eruption of Mount Rainier Submit Answer
