Hawaii Island Volcanoes by Largest Dams   2 months ago


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The island of Hawaii is built from five separate shield volcanoes that erupted somewhat sequentially, one overlapping the other. These volcanoes are: Kīlauea, Mauna Loa, Hualālai, Mauna Kea and Kohala.

Kīlauea is a currently active shield volcano in the Hawaiian Islands, and the most active of the five volcanoes. It has been erupting nearly continuously since 1983 and has caused considerable property damage, including the destruction of the town of Kalapana in 1990. The 2018 lower Puna eruption, which began May 3, over several weeks opened two dozen lava vents downrift from the summit in Puna. The eruption was accompanied by a strong earthquake on May 4 of Mw 6.9, and nearly 2,000 residents were evacuated from the rural Leilani Estates subdivision and nearby areas. By May 9, 2018, the eruption had destroyed 27 houses, a number that had grown to 75 houses in the lower Puna area by May 31. On May 17, 2018, the volcano explosively erupted at the summit in Halemaumau Crater, throwing ash 30,000 feet into the air. Summit explosions have caused the closure of Hawaii Volcanoes National Park, and vigorous eruptive activity is ongoing in lower Puna,with lava having entered the ocean in three places and destroyed Hawaii's largest freshwater lake.