“A hazard to shipping, locally.”
31 Jan 2017 – A New Zealand scientist has unexpectedly discovered a huge undersea volcanic eruption near the main island of Tonga.
While scanning satellite images today, University of Auckland coastal geomorphologist Dr Murray Ford observed a vast plume about 18 miles long and 12 miles wide (30km by 20km ) just off the coast of Tonga’s main island Tongatapu.
A photo of the plume, which looks like a greenish cloud, was captured by the USGS/NASA Landsat 8 satellite on January 27.
Ford immediately contacted volcanologists who in turn alerted colleagues in Tonga and the Volcanic Ash Advisory Centre.
“We are now relatively confident that these images are representing a submarine eruption,” said GNS Science volcanologist Brad Scott.
“(The plume is) in an area of known volcanism and often, naturally there will be a hazard to shipping, locally,” said Scott.
And we wonder what is heating our seas.
Thanks to John Zielinski for this link