As poisonous gases called volcanic smog, or vog, from Kilauea pour into a Hawaiian neighborhood, an official wearing a protective gas mask checks for potentially lethal levels of sulfur dioxide.
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|Pahoehoe lava has a characteristic ropy texture.|
|Lava entering the ocean reacts chemically with seawater, creating a poisonous steam called laze.|
|Tiny shards of glass that form in the air from rapidly cooling spurts of lava settle in a golden tangle on a beach in Hawaii Volcanoes National Park.|