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|Authors: ||Carveni, P.*|
Salleo Puntillo, M.*
|Title: ||Chronicle of the 1865, NE flank eruption of Mt. Etna and geomorphologic survey of the Mts. Sartorius area|
|Title of journal: ||Bulletin of Volcanology|
|Series/Report no.: ||9/73(2011)|
|Issue Date: ||30-Jun-2011|
|Keywords: ||Mts. Sartorius|
1865 lateral eruption
|Abstract: ||The row of pyroclastic cones named Mts.
Sartorius, outcropping on the NE flank of Etna, formed in
1865 during a lateral eruption that lasted about 6 months.
The event was eye witnessed and described by numerous
scientists and reporters. In this work, we use their
observations to reconstruct the eruption chronology and
scenario, and carry out a detailed geomorphologic survey to
identify the eruptive features and pyroclastic deposits. The
1865 eruption began on 29 January along a segment of the
main system of fractures oriented ENE–WSW, radial to the
central conduit. After 30 January, a secondary system of
fractures trending NNW–SSE was simultaneously active.
The six larger Mts. Sartorius cones developed since 3
February along the lower extension of the radial system.
They are markedly asymmetric due to the persistent winds
blowing at the time and to the pre-existing topography
formed on underlying deposits, previously unreported, that
we have recognized. Now, about 150 years after the
eruption, most of the eruptive vents and fractures are no
longer observable in the field, being mostly hidden by
products of subsequent phases of the eruption and by
younger epiclastic deposits.|
|Appears in Collections:||04.08.99. General or miscellaneous|
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