A system of estimating and reporting wind speeds. It is ...
Popocatepetl is an active volcano, located in the states of ...
A black smoker or sea vent is a type of hydrothermal vent ...
According to the NOAA, 2013 was reported to be the 4th ...
The places known as hotspots or hot spots in geology are ...
Almolonga volcano is an andesitic stratovolcano in the ...
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