What is the largest volcano on Earth?
Mauna Loa volcano in Hawaii Volcanoes National Park is the largest volcano on Earth, both in terms of volume and height above its base. Mauna Loa consists of about 19,000 cubic miles of lava and rises more than 50,000 feet above its base. Because of its massive size, the volcano has depressed the ocean floor about 5 miles. 2. What is the highest point above sea level in the United States? Mt. McKinley in Alaska’s Denali National Park at 20,320 feet above sea level. 3. Where is the lowest point in the United States? Bad Water in Death Valley National Park, California, at 282 feet below sea level. 4. How deep is the Grand Canyon ? In some places the Grand Canyon is more than 6,000 feet deep. 5. What is the origin of Crater Lake, Oregon? Crater Lake National Park is of volcanic origin. It lies within the caldera of Mt. Mazama, a volcano of the Cascade Range that erupted 7,700 years ago. The mountain collapsed during its enormous eruption, forming a caldera. 6. What is the deepest lake in
