Nature
Mount Martin is a relatively young stratovolcano on the Alaska Peninsula in Katmai National Park and Preserve, near the Valley of Ten Thousand Smokes. Though often depicted simply as a mountain, it remains an active volcanic center, with strong heat and gas release at its summit. Its breached summit crater contains intense fumarolic activity, geothermal ground often kept free of ice, and at times an acidic crater lake, while sulfur deposits make it one of the region’s more visibly active hydrothermal areas. A reported 1953 eruption is now considered doubtful, but the volcano still stands out as a steaming feature in Katmai’s landscape, named for George C. Martin.
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Karluk, Alaska · United States
