Discover
lava: Media
volcanic ejecta
Videos
How volcanoes work, explained by a volcanologist
Volcanologist Janine Krippner dives into the details of how volcanoes work and the...
Study how magma erupts as lava and turns into pumice or hardens to form a shield volcano
Spectacular fountainlike eruptions at Kilauea volcano, Hawaii, are followed by streams...
View lava erupting from a submarine vent near the Mariana Islands
Scientists expressing their excitement while witnessing glowing lava erupting from...
The stages of lava: From eruption to cooling
Lava flowing toward the sea from Kilauea volcano, Hawaii, takes two recognizable...
What it's like to visit an active volcano
Jess Phoenix has worked on the Kawa Aegean volcano in Indonesia, the site of the...
Why some volcanic eruptions are more explosive than others
Learn about magma and how its components affect its rate of flow and the overall...
Observe how Pahoehoe and aa lava flows over the Hawaiian vegetation and into the ocean
Pahoehoe and aa lava flows at Mauna Ulu, Hawaii.
Behold magma eruptions from Earth's core ushering lava rivers down Kilauea in Hawaii
Volcanic activity at Kilauea in Hawaii.
Images
Mauna Loa: lava
Lava flowing from Mauna Loa volcano, Hawaii, March 28, 1984.
R.W. Decker/U.S. Geological Survey
pahoehoe
Pahoehoe lava flow, Kilauea volcano, Hawaii, November 1985. Pahoehoe lava flows are...
J. D. Griggs, U. S. Geological Survey
Kilauea volcano
Basaltic lava erupting from the Pu'u 'O'o spatter and cinder cone on Kilauea volcano,...
J.D. Griggs/U.S. Geological Survey
Giant's Causeway
High columns of the Giant's Causeway, Northern Ireland.
Mike Morley—iStock/Thinkstock
Giant's Causeway
The Giant's Causeway, “steps” of hexagonal basalt columns formed by the rapid cooling...
© Joe Gough/Shutterstock.com
Galapagos Islands: Fernandina Island
Lava flowing into the sea from Fernandina Island, Galapagos Islands, Ecuador.
JAMPS—iStock/Thinkstock
lava from Kilauea
Lava from Kilauea, Hawaii Volcanoes National Park, Hawaii, 2011. Kilauea is Earth's...
USGS
volcanology
Geologist using a rock hammer to sample active pahoehoe lava for geochemical analysis...
Hawaiian Volcano Observatory/U.S. Geological Survey
VIEW MORE in these related Britannica articles: