NBC Newsのインスタグラム(nbcnews) - 5月24日 21時35分

Blue flames from burning methane sprout from cracks in the pavement in the Leilani Estates neighborhood on the big island of #Hawaii, where the #Kilauea volcano has been gushing lava for the past three weeks.
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The #? produces methane when hot lava buries and burns plants and trees.
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? USGS

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