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Lava flow spreads through tube

Volcanic Alert
Hawaii, USA
Lava flowing from a new vent on Kilauea's eastern flank is now feeding into a lava tube that could allow it to flow farther and faster. Geologists say the formation of lava tubes can be worrisome because they insulate the lava, which has advanced 1.5 miles from the end of the open lava channel. But Hawaiian Volcano Observatory's daily assessment maintains that there's no immediate threat. That means thousands of lower Puna residents currently remain at a safe distance. There needs to be a steady supply of lava for it to travel a long distance, but the level of the channel has fluctuated over time. Kilauea has been erupting for 24 years. On July 21, a new outbreak of lava occurred to the east of Puu Oo vent. It was the first time lava erupted in the area outside Hawaii Volcanoes National Park since 1992.
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