Geology of Hawai‘i Volcanoes National Park

Geology of Hawai‘i Volcanoes National Park is a glossary of volcanic products and features found on Kīlauea and Mauna Loa, two of the world's most active volcanoes. The app features an array of astounding geologic features and terms; from 'a'a and pāhoehoe lava to cinder cones, tephra and xenolith.