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The Gakkel ridge, stretching ,1,800 km across the eastern Arctic Basin, is the ultraslow-spreading end-member of the global mid-ocean ridge (MOR) system, and in 1999 the Global Seismic Network (GSN) detected the largest MOR earthquake swarm ever recorded 6 on the ridge at 85 (degree). Several lines of evidence suggest that the swarm was associated with a major volcanic event 6–10, but our ability to characterize volcanic processes in this region has been lim-ited by its remote location and ice cover.
The maximum extent of the pyroclastic material is not known, because the deposits were observed to cover every portion of the sea floor that we surveyed (,20 linear kilometres within an ,5310 km region).
A series of eight dives across the Oden and Loke volcanoes suggests that the ubiquitous cratered volcanoes may be source vents for pyr-oclastic eruptions, possibly including vulcanian explosions. These volcanoes contain most of the fresh lava flows observed in our survey, which consist primarily of pillows but also include ropey sheet flows, covering small areas (,100–200 m^2) on the top and around the outer edges of the constructional features. The mixture of young and old lava flows that we observed demonstrates that the high-acoustic-backscatter region imaged in 1999 does not represent a single, fresh lava flow 8.
These results provide a new perspective for interpreting the 1999 seismic swarm and volcanic event at the 85 (degree) site. The seismic swarm began with extensional events, but after three months the earthquakes changed to sources with large volume changes (implosions) 6. Large-volume-change events are rare at MORs, but they are consistent with the rapid evacuation of explosive material from a deep-lying magma chamber.
Multiple episodes of explosive volatile dis-charge over a prolonged period are required for producing the variations in apparent age and thickness of the deposits we observed, and we note that small-magnitude explosive acoustic signals were detected by local (ice-mounted) seismic networks at the eruption site more than two years after the 1999 seismic swarm 19. Explosive volatile discharge has clearly been a widespread, and ongoing, process at the 85 (degree) segment.
the size of Tasmania,
originally posted by: TEOTWAWKIAIFF
a reply to: ElectricUniverse
Already posted nearly a week ago. And well discussed. It is not a volcano. See Phage's links for a good explanation.
Try using search here too.
Except that the warming the Earth has been experiencing started in the early 1600s, over 250+ years before the height of the industrial revolution.
As well as the dramatic changes that have been occurring to Earth's magnetic field, and the dramatic changes occurring in the Sun which point to the fact that Earth's interior has also been changing dramatically which would be the reason why Antartica and other regions have been experiencing and increase in geothermal and volcanic activity.
You are the one making the false equivalency claim.
originally posted by: ElectricUniverse
In their attempt to keep trying to blame mankind for all the changes Earth is undergoing, their argument is crumbling in the face of facts.