Under a grant from the National Oceanic and Atmospheric Administration, these scientists are researching the infrasonic characteristics of volcanoes by using a sophisticated signal processing ...

Magma is the name given to molten material inside the earth (volcano) whereas lava is the name given to molten material which is often ejected from a volcano and then cools and solidifies.

The two types of volcano form in different places and have very different characteristics. Ash released from shield volcanoes often builds up around the vent forming a steep, round hill known as a ...

Magma moves through Hawaiian rift zones as dikes, which are tabular sheets of magma that move laterally and vertically ...

When magma moves into the rift zone of a Hawaiian volcano, there is understandably a lot of excitement and apprehension. How far will the magma go, and will it erupt? But even long after the activity ...