• Halema`uma`u Just Before Dawn

    Hawai'i Volcanoes

    National Park Hawai'i

Plan For Safe Viewing of Lava Flows

 

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.