Santiago crater
The lava lake in Santiago crater, Masaya volcano, Nicaragua on November 20, 2017.
Credit: Peter Lafemina / Penn State
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GeoSpace
GeoSpace is a blog on Earth and space science, managed by AGU’s Public Information staff. The blog features posts by AGU writers and guest contributors on all sorts of relevant science topics, but with a focus on new research and geo and space sciences-related stories that are currently in the news.