Lava closes part of national park as Kilauea crater collapse
The lava-filled crater in Hawaii's Kilauea volcano collapsed
more than 250 feet Wednesday, according to the Hawaii Volcano Observatory.
The Puu Oo crater, which holds a lake of lava inside the cone at Kilauea's summit, last collapsed in March. Wednesday's collapse created a lava flow that split into two directions and closed a portion of Hawaii Volcanoes National Park. It did not affect any areas outside the park's boundaries.
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http://news.blogs.cnn.com/2011/08/05/lava-closes-part-of-national-park-as-kilauea-crater-collapses/?hpt=hp_t2