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Voice of the Sea: Volcanoes

Voice of the Sea highlights ocean research and careers. Voice of the Sea TV episodes are 30 minutes long, with online extensions of various length. All episodes are available through



Volcanoes! WIth Matt Patrick and Tristan McDonald (Online Episode)

Vocanoes! USGS scientist Matt Patrick and volunteer Tristan McDonald share aspects of the Kalapna lava flow on the big island and talk about what it's like to study active volcanoes.

Tracking Lava Flows with the USGS (TV Episode)

We meet USGS geologists, Matt Patrick and Tristan McDonald, on the Big Island who show us what it is like to track an active lava flow, and then we head to the lab to learn how scientists, Julia Eve Hammer, Thomas Shea, and Samantha Jacob recreate volcanic conditions. Find out more at

Recreating Volcanic Conditions in the Lab (Online Episode)

Volcanoes in the lab. Researchers Julia Hammer and Thomas Shea show how they replicate volcanic activities in the laboratory. Their equipment puts materials at pressure up to 3,000 times atmospheric pressure. In addition to other applications, their work helps marine biologists understand the origin of the Hawaiian Islands.

Volcanic Crystals (Online Episode)

Graduate student Samantha Jacob shows off some of the amazing and beautiful crystals that grow in Hawaiian lava. Her work in Julia Hammer's volcano lab at UH is discovering some interesting patterns of crystal growth!

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Exploring Our Fluid Earth, a product of the Curriculum Research & Development Group (CRDG), College of Education. University of Hawaii, 2011. This document may be freely reproduced and distributed for non-profit educational purposes.