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Kilauea volcano

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Topic: Volcanoes

Why in the news?

  • The Kilauea volcano inside of the Hawaii Volcanoes National Park is currently erupting in a remote and closed area of the park.
  • According to the Hawaiian Volcano Observatory, the eruption started within the middle East Rift Zone and moved into the Napau Crater. It originally began on Sunday at the zone, then stopped after an hour and resumed its eruption on Monday night.
  • “Continued gas emissions from the eruptive fissures may pose a hazard to humans downwind of the eruption site

Source: The Hindu 

About Kilauea volcano

  • It is the youngest and most active Hawaiian shield volcano, located on the southern part of the Island of Hawai\'i, known as Big Island.
  • It is near-constantly erupting from vents either on its summit (caldera) or on the rift zones.
  • Kilauea has a large summit caldera with a central crater, Halemaumau, which is according to Hawaiian legends the home of the fire goddess Pele.
  • Until 1924, it contained a lava lake.

Shield volcanoes:

  • These are a type of volcanoes that tend to erupt basalt lava, a type of lava that is very fluid when erupted. 
  • Although shield volcanoes are the largest volcanoes on Earth, they do not form soaring mountains with conical peaks like composite volcanoes. Instead, they are broad volcanoes with gentle slopes.
  • Eruptions at shield volcanoes are only explosive if water somehow gets into the vent, otherwise they are characterized by low-explosivity fountaining that forms cinder cones and spatter cones at the vent.
  • The Hawaiian shield volcanoes are the most famous examples.

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