A study of ancient stromatolites reveals that ammonium reservoirs in early Earth's oceans, likely influenced by volcanic ...

The tallest volcano in Europe, Italy's Mount Etna, and the world's most active volcano, Kilauea in Hawaii, erupting again.

Magma, the super-hot molten rock which feeds volcanic eruptions ... look different depending on the mineral that makes them. For example, green olivine is very common in Hawaiian lavas, and ...

A Kobe University team has discovered that the 7,300-year-old volcanic eruption is the largest one in the last 11,700 years. As per the high-resolution marine seismic reflection surveys, the ...

Rocks hurtled ... you near the major volcanic features. Explore Bumpass Hell and other sites along the way. If you can stay longer, climb Cinder Cone, an outstanding example of the results of ...

The class can give an erupting-volcano hand action or a trembly-earthquake action to answer. Volcanic rock is formed when lava or magma cools down and becomes a solid. We call this type of rock ...