Medicine Lake Volcano Medicine Lake Volcano Medicine Lake Volcano is a large shield volcano in northeastern California about northeast of Mount Shasta. The volcano is located in a zone of east-west crustal extension east of the main axis of the Cascade Volcanic Arc and the Cascade Range. The thick shield is from east to west and from north to south, and covers more than . The underlying rock has downwarped by under the center of the volcano. The volcano is primarily composed of basalt and basaltic andesite lava flows, and has a caldera at the center. The Medicine Lake shield rises about above
Cabalian Volcano Cabalian Volcano Cabalian Volcano("Kabalianon: Bukid Kantayoktok)" is an active volcano located in the province of Southern Leyte (Region VIII) in the Philippines. Cabalian is classified by the Philippine Institute of Volcanology and Seismology (PHIVOLCS) as active with solfataric activity. Radiocarbon dating on a pyroclastic flow deposit from the volcano estimated that the last eruption was in 1820 +/- 30 years. The cinder cone volcano has an elevation of with a base diameter of . The predominant rock type is andesite. Beside solfataras, other thermal features present are hot springs located on the east and west flank of the volcano. Mainit