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Under Pressure

A puzzle forged in fire and wit.

An earth science puzzle centered on volcanoes and geology. Features geothermal trivia, rock-solid clues, and a few explosive puns.

By PuzzledCross

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Across

1.What Kīlauea or Vesuvius provides
6.Like the deep, mysterious workings of a magma chamber
7.What a town below a volcano might be forced to 'say'?
9.Emits a deafening sound, as a volcano might
10.Sliver of light piercing an ash cloud
11.The fiery color of molten rock
12.Towering column of volcanic ash
14.Ascends, like an ash column
15.Sounds like light beams from an eruption?
16.Pumice or obsidian, for example

Down

1.Caribbean volcano whose name means 'sulfur outlet'
2.Eerie glow around a crater's rim
3.Geological finds like peridot and diamonds
4.Wetlands sometimes heated by geothermal activity
5.Home of the Great Smoky Mountains
8.Puzzlingly hard to predict, like an eruption
13.Vaporous cloud from a fumarole

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