Havre Seamount volcano (Kermandec Islands) activity update: pumice rafts drifting across ocean, no new pumice observed
Wednesday Aug 22, 2012 12:05 PM | BY: T
The pumice rafts from the recent eruption of Havre Seamount in the Kermandec archipelago (discovered 9 Aug) are spreading across the ocean, currently over an area of 270,000 km2 / 100,000 sq. miles of the Pacific Ocean. No new pumice has been observed, which could indicate that the eruption has waned or is over.
The streamers of pumice (likely each less than a few kilometers across) from the July 18, 2012 eruption of Havre seamount spreading across the Pacific Ocean. The pumice has spread over an area of over 250,00 square kilometers in a little over one month. Image taken August 19, 2012, courtesy of NASA and R. Simmon, annotations by E. Klemetti / Eruptions Blog
To read more, have a look at the recent fascinating post about the fate of the pumice and pumice rafts in general published on the Eruptions Blog.
Monday, Aug 13, 2012
The source of the recently observed giant pumice raft in the Kermadec Islands was most likely identified as the largely unknown Havre Seamount. ... [more]