A list of volcanoes in the United States and its territories. The pattern of eruptions over the last 13,000 years suggest that the chances of a future eruption at Medicine Lake volcano are about 1 in 3,600 in any given year. Medicine Lake Volcano Medicine Lake volcano is a volcano in northern California. Medicine Lake volcano (MLV) in northeastern California is the largest-volume volcano in the Cascade Range.

The barren Medicine dacite flow on the right was erupted about 2000 years ago. During the Holocene, obsidian flows have been erupted from summit and flank vents and voluminous basaltic … The upper-crustal structure of this Quaternary shield volcano is well known from previous geological and geophysical investigations. Medicine Lake Highlands — environmental and cultural significance Located 30 miles northeast of Mount Shasta, the remote and spectacular Medicine Lake Highlands encompass California’s most diverse volcanic fields on the continent’s largest shield volcano and huge source of water. Most people don’t know that Medicine Lake Volcano is the largest volcano (by volume) in the Cascade Range. The azure waters of Medicine Lake lie embedded in this 500,000-year sculpture of volcanic fury, with

Formation of lava tubes Medicine Lake volcano is situated just east of the Cascade Volcanic Arc axis in northern California's high desert 55 km (35 mi), northeast of Mount Shasta. It contains a 12 km x 7 km wide caldera. In 1981, the U.S. Geological Survey conducted a teleseismic tomography experiment on MLV to explore its deeper structure. Lava tubes at Lava Beds National Monument Lava Beds National Monument lies on the north slope of Medicine Lake shield volcano, and contains the highest concentration of lava tube caves in North America. Summary. The magma for all the volcanoes in the Cascade Range originates near the subducting plate, about 120 kilometers below the surface. Also known as the Medicine Lake Highlands, this volcanic region covers a total area of about 2,200 km 2 (850 mi 2), extending approximately 80 km (50 mi) north-south and 50 km (30 mi) east-west. Medicine Lake offers boating, swimming, water-skiing,fishing, hiking, camping, and picnicking. Get directions, maps, and traffic for Medicine Lake Lodge, CA. There are up to 500 known lava tube caves within the boundaries of Lava Beds National Monument. Map Legend. Like Newberry, Medicine Lake is a shield volcano which underwent multiple caldera-forming collapses, resulting in a huge 4.5 x 7.5 mile (7 x 12 km) wide depression which houses its namesake lake. In contrast, the other Cascade volcanoes are tall peaks made mostly of andesite lavas.