• Halema`uma`u Just Before Dawn

    Hawai'i Volcanoes

    National Park Hawai'i

Deformation on Kilauea

Mike Poland - Geophysicist, Hawaiian Volcano Observatory

 
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.