• Halema`uma`u Just Before Dawn

    Hawai'i Volcanoes

    National Park Hawai'i

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  • April 16, 2014 - Mauna Loa Update

    The recent wind advisory has been lifted and Mauna Loa has reopened for backcountry hiking and camping at Red Hill and the Summit.  However, More »

News 2006 Archive

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.