• Halema`uma`u Just Before Dawn

    Hawai'i Volcanoes

    National Park Hawai'i

Geology of Kilauea

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Lava Flows and Lava Tubes on Kilauea

with Matt Patrick - Geologist, USGS - Hawaiian Volcano Observatory

length - 00:04:13

 
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Formation of Kilauea Caldera and its Violent Past

with Don Swanson - Geologist, USGS - Hawaiian Volcano Observatory

length - 00:04:05

 
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Deformation on Kilauea

with Mike Poland - Geophysicist, USGS - Hawaiian Volcano Observatory

length - 00:05:43

 

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Did You Know?

`a`a flowing over an older flow of pahoehoe.

The two types of Hawaiian lava differ in appearance but are chemically alike.  Pahoehoe has a smoother and ropey surface where a`a is jagged and clinkery.