Emily Schwing: In 1912 a volcano in Alaska more than blew its top. Known as Novarupta, it was responsible for the most powerful volcanic eruption of the 20th century. Kristi Wallace: The reason we ...
Mount Martin, one of the active volcanoes surrounding Katmai National Park and Preserve's Valley of Ten Thousand Smokes. Credit: National Park Service Imposing bears teem in Alaska's Katmai National ...
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