Cascades Volcano Observatory
A program to monitor the volcano active and asses the hazards.

Deep Ocean Volcanoes
A short video from Oceans Today (N.O.A.A.) showing the deepest water eruptions ever found.

Earthquake information from the USGS
Inforamtion about the latest earthquakes and significant earthquakes

Global Volcanism Project - World map of volcanoes, earthquakes, impact craters and tectonic plates
A layered interactive map from the Smithsonian Institute.

Michigan University volcano page
This page aims to provide information about volcanoes to the public and to complement other informational sites on the web.

Mount St HelensMount St Helens' information page

U.S Geological Survey: Volcano FAQ
This American site answers many of the questions commonly asked about volcanoes and volcanic activity.

Underwater Vents and Volcanoes
Another short video from Oceans Today (N.O.A.A.) describing hydrothermal vents deep on the ocean floor that release warm mineral-rich fluid able to support unique ecosystems. (a little slow to buffer)

Virtual Times : Recent earthquakes and active volcanoes

Volcanoes 101
A crash course video - learn a lot in just over 3 minutes including what they are, how they work, history, dangers and benefits of volcanoes.

What is ash?
A short video from the Smithsonian Institute investigates this question.

What is a Caldera? How do Calderas form?
This American website contains videos and diagrams as well as information about calderas on earth and other planets.