The volcano's Pu 'u 'o 'o crater collapsed on Saturday, and a 0.33-mile-long (0.5-kilometer-long) fissure ripped open on a separate region of the volcano.
上周六，火山的Pu ' u ' o ' o火山口崩裂，并且在一个分离的区域撕开了一条0.5公里长的裂缝。
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A new fissure in the volcano opened earlier as emergency crews, blackened and sweating, battled to reinforce the mounds and divert lava away from Rifugio Sapienza.