The 1912 eruption of Katmai was the largest (VEI=6) in North America in this century . The caldera rim has a maximum elevation of 2047 m and in 1975 the lake surface was at an elevation of about 1236 m. DESCRIPTION From Miller and others (1998) : "Katmai volcano is a large stratovolcano about 10 km in diameter with a central lake-filled caldera whose rim is about 4.2 by 2.5 km in area. Its name derives from the myriad fumaroles (fissures spouting smoke, gas, and steam) that developed in the valley floor. This cataclysmic event created a barren and Martian-like landscape in the heart of Katmai National Park called “The Valley of 10,000 Smokes,” which is a favorite flight seeing destination for our guests at Crystal Creek Lodge. after the eruption and collapse of Mount Mazama. Most of the national park is a designated wilderness area where all hunting is banned. River Lethe is located 18 km (12 mi) west of Mount Katmai, Alaska Peninsula, and is the middle branch of the Ukak River.It flows through the Valley of Ten Thousand Smokes and meets the Ukak at . These people are divided into two groups the Inuit and the Yupik. The park is located on the Alaska Peninsula, across from Kodiak Island, with headquarters in nearby King Salmon, about 290 … The river was named in 1917 by R. F. Griggs, National Geographic Society; inspired by Lethe, the "river of forgetfulness" in the Hades of Greek mythology. The Katmai eruption was the largest of the 20th century. Covering about 56 square miles (145 square km), it … Before its destruction, the stratovolcano was regarded by the local Klamath Native … The park is named after Mount Katmai, its centerpiece stratovolcano. In Valley of Ten Thousand Smokes …eruption of the Novarupta and Mount Katmai volcanoes. The 2,148-foot-deep lake was formed around 5,667 B.C. Eskimo is a term for the people that are the native inhabitants of the Artic regions of Alaska, Greenland, Siberia, Nunavut, Quebec, and the Northwest Territories. Alaskan volcano legends are primarily Eskimo in origin. More than 7 cubic miles (30 cubic kilometers) of ash was erupted in only 60 hours, covering 46,000 square miles (120,000 square km) in greater than 0.40 inch (1 cm) of ash. The caldera rim has a maximum elevation of 2047 m and in 1975 the lake surface was at an elevation of about 1236 m. The estimated elevation of the caldera floor is about 995 m. Background: Katmai volcano is a large stratovolcano about 10 km in diameter with a central lake-filled caldera whose rim is about 4.2 by 2.5 km in area.