sentences:  Kīlauea Iki
  
  Kīlauea Iki is a pit crater that is next to the main summit caldera of Kīlauea on the island of Hawaiʻi in the Hawaiian Islands.Lava tubes associated with Kīlauea Iki are responsible for the vast ʻAilāʻau eruption, carbon 14 dated from circa 1445 and erupting continuously for approximately 50 years, which blanketed much of what is now Puna District with 5.2 ± 0.8 km3 of basalt lava.