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Blue Dot 104: The Fire Within

In this episode, Dave talks to volcanologist Erik Klemmeti to get us all educated about volcanoes since two have been huge stories in the news. We talk about magmas, lavas and eruption types with the focus on Hawaii's Kilauea Volcano that has been in an intense eruptive episode since early May. Volcano Fuego in Guatamala unleashed an explosive eruption in May that killed dozens of people in a dreaded "pyroclastic flow." Volcanoes invoke primal fascination and are a testament to Earth's classification as a "living planet." California and the Pacific Northwest have volcanoes too that are classified as potentially dangerous leading to the need for the USGS California Volcano Observatory.

Dave Schlom is the longtime host and creator of Blue Dot. From surfing to Voyager in interstellar space, rock guitar to orcas in our imperiled oceans, the topics on Blue Dot are as varied as the host’s interests and connections -- which are pretty limitless! An internationally respected space history journalist, Dave is also deeply fascinated by all aspects of the grand workings of nature’s awesome machinery on scales ranging from galactic to subatomic. And topics take in all aspects of the arts and sciences.