The Geology of Volcanic Activity

Earth's landscape is constantly shifting and changing. This lesson breaks down the basic processes of geomorphology, or the study of changing landforms.

Are you interested in volcanic landscapes? Learn how lava and volcanic ash affect the surrounding vegetation, land drainage, and soil fertility.

Deep oceanic trenches, destructive earthquakes, explosive volcanoes—you’ll understand them all after you watch this lesson from teacher Darron Gedge!

Identifying volcanic rocks can tell you a lot about the volcanic eruption that produced it. Learn about rhyolite, basalt, and other igneous rocks!

In this lesson, learn how volcanic activity formed the distinctive reefs, beaches, and layers of sedimentary and volcanic rock of Auckland, New Zealand.