Mauna Loa is one of five volcanoes that form the Island of ...
Seismic waves are waves of energy that travel through the ...
The Yarrow is a medicinal herb, which is plentiful on the ...
Seismometers are instruments that measure motions of the ...
Dead Mountain is a mountain located in the northern Urals ...
Lava refers both to molten rock expelled by a volcano ...
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