On 11 April 2012 an undersea earthquake struck near the ...
A black smoker or sea vent is a type of hydrothermal vent ...
Established the U.S.-China Climate Change Working Group in ...
The ring of light that seems to encircle the sun or moon ...
Seismic waves are waves of energy that travel through the ...
Villarrica, one of Chile's most active volcanoes erupted in ...
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