GeoSEA array records sliding of Mount Etna’s southeastern flank

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As Europe’s most active volcano, Mount Etna is intensively monitored by scientists and Italian authorities. Satellite-based measurements have shown that the southeastern flank of the volcano is slowly sliding towards the sea, while the other slopes are largely stable. To date, it has been entirely unknown if and how movement continues under water, as satellite-based measurements are impossible below the ocean surface. With the new GeoSEA seafloor geodetic monitoring network, scientists from the GEOMAR Helmholtz Centre for Ocean Research Kiel, the Kiel University, priority research area Kiel Marine Science, and the Istituto Nazionale di Geofisica e Vulcanologia (INGV) have now been able to detect for the first time the horizontal and vertical movement of a submerged volcanic flank.

  • Publisher: EurekAlert!
  • Date: The southeast flank of Mount Etna slowly slides towards the sea. A team of scientists from GEOMAR and the Kiel University showed for the first time movement of Etna
  • Twitter: @EurekAlert
  • Citation: Web link

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And here’s another article:

‘Catastrophic collapse’ of Mount Etna could trigger tsunami, scientists warn

Danger that Europe’s biggest active volcano’could ‘form a landslide that moves really fast into the sea’, although researchers have no idea when

Europe’s biggest active volcano is slipping into the ocean, and it’s feared the recent discovery could trigger a tsunami.

Scientists are concerned the slow movements that have been measured on Mount Etna’s southeastern flank could escalate and result in part of it collapsing into the water.

  • Publisher: The Independent
  • Date: 2018-10-10T18:15:47+01:00
  • Author: Josh Gabbatiss
  • Twitter: @independent
  • Citation: Web link

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Mount Etna’s Slide into the Sea Could Trigger a Catastrophic Collapse

Gravity is pulling Mount Etna toward the sea, raising the possibility that the flank of the active volcano may someday suffer a catastrophic collapse.

There is no indication that such a collapse is imminent, but new research finds that the Italian volcano’s southeastern flank is moving both above ground and under the sea. These movements mean that the risk of a slope collapse is higher than previously believed, researchers reported today (Oct. 10) in the journal Science Advances.

  • Publisher: Live Science
  • Twitter: @LiveScience
  • Citation: Web link

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Mystery of Italy's Mount Etna explained?
(years back)   Science Daily

Geophysicists have developed the first dynamic model to explain the mystery of the largest and most fascinating volcano in Europe, Mount Etna.