Thursday, October 8, 2015

The lava lake at Pu'u 'O’o

Lava rises up, quenches at the surface to a dark layer, and forms plates that slide around on the lava below and expand. You can even see the lava lake versions of triple junctions and transform faults if you look closely.

The Pu'u 'O'o vent is about 10 miles from the ocean at an altitude of about 3,000 ft. The lava pouring from the vent has a tendency to head for the ocean through a series of lava tubes. When the lava tubes become blocked, or shift, the lava works its way to the surface and can be seen as surface flows.


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