Kilauea isn’t Hawaii’s only active volcano
  • Tuesday, November 20, 2018
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Hawaii News

Kilauea isn’t Hawaii’s only active volcano

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Kilauea Volcano is only one of many volcanoes in Hawaii — five of which are active.

The Hawaiian Volcano Observatory, part of the U.S. Geological Survey, defines an active volcano as one that has erupted within the past 10,000 years.

Kilauea is the only one of the five currently erupting.

Three are on Hawaii island with Kilauea: Mauna Loa, Mauna Kea and Hualalai.

One is on Maui: Haleakala.

Mauna Loa, which stands 13,679 feet above sea level, erupted for 22 days in 1984. Lava cascaded down its eastern flank to get within 4.5 miles of Hilo, the largest city on the Big Island. Scientists say Mauna Loa has erupted 33 times since 1864, for an average of once every six years over the past three millennia. It’s also the world’s largest volcano, with a peak that extends 55,700 feet from its base under the sea. Coffee farms and the beach resort town of Waikoloa sit on the mountain’s western and northwestern flanks.

To Mauna Loa’s northwest is Hualalai, which last erupted between the late 1700s and 1801. Eighty percent of Hualalai’s surface has been covered by lava in the past 5,000 years.

On Maui, Haleakala is believed to have erupted last between 1480 and 1600.

The last is Loihi, which is underwater to Kilauea’s south.

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