Observe how Pahoehoe and aa lava flows over the Hawaiian vegetation and into the ocean
Pahoehoe and aa lava flows at Mauna Ulu, Hawaii.
Encyclopædia Britannica, Inc.
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Major funding for this expedition was provided by NOAA Ocean Exploration Program and NOAA Vents Program; video clips edited by Bill Chadwick, Oregon State University/NOAAScientists expressing their excitement while witnessing glowing lava erupting from a submarine vent near the Mariana Islands.
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Encyclopædia Britannica, Inc.Spectacular fountainlike eruptions at Kilauea volcano, Hawaii, are followed by streams of fluid lava flowing down the mountainside.
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Encyclopædia Britannica, Inc.Volcanologist Janine Krippner dives into the details.
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Encyclopædia Britannica, Inc.Learn about magma and how its components affect its rate of flow and the overall explosiveness of volcanic eruptions. Viscous, slower-moving magmas tend to have higher silica (SiO2) concentrations than less viscous, faster-flowing magmas.
