Hawaii’s Mauna Loa volcano erupts
Hawaii's Mauna Loa, the world's largest active volcano, has started to erupt, prompting volcanic ash and debris to fall nearby.
Theeruptionbeganlateon Sunday night in the summit calderaofthevolcanoonthe Bigisland,theusgeological Survey said.
Earlyyesterday,itsaidlava flowswerecontainedwithin the summit area and were not threatening nearby communities.
Officials at the Hawaiian Volcano Observatory said: "Lava flows in the summit region are visible from Kona. There is currently no indication of any migration of the eruption into a rift zone."
A rift zone is where the mountain is splitting apart, with the rock cracked and relatively weak, making it easierformagmatoemerge.
The agency warned residents at risk from Mauna Loa lava flows should review their eruption preparations.
Scientists had been on alert because of a recent spike in earthquakes at the summit of the volcano, which last erupted in 1984.