JOHN DVORAK studied volcanoes and earthquakes for the United States Geological Survey for 16 years. He then operated a telescope atop Mauna Kea in the Hawaiian Islands for 20 years.
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He has written articles for several national magazines, including cover stories for Scientific American, Astronomy and Physics Today.
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He is the author of three books: Earthquakes Storms, The Last Volcano and Mask of the Sun.
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Photo by Tom Peek
KILAUEA VOLCANO
2018 ERUPTION
The largest eruption of Kilauea in history
