Seismometers are instruments that measure motions of the ...
Volcanic gases include a variety of substances given off by ...
A slow earthquake is a discontinuous, earthquake-like event ...
A lahar is a type of mudflow or debris flow composed of a ...
Mount Vesuvius is a stratovolcano in the Gulf of Naples, ...
A temperature scale where water at sea level has a freezing ...
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Terms
Blossaries
Followers
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