Sousaki ( el, Σουσάκι; ) is a dormant
volcano
A volcano is a rupture in the crust of a planetary-mass object, such as Earth, that allows hot lava, volcanic ash, and gases to escape from a magma chamber below the surface.
On Earth, volcanoes are most often found where tectonic plates are ...
and modern
solfatara field in northeastern
Corinthia
Corinthia ( el, Κορινθία ''Korinthía'') is one of the regional units of Greece. It is part of the region of Peloponnese. It is situated around the city of Corinth, in the north-eastern part of the Peloponnese peninsula.
Geography
Cori ...
,
Greece
Greece,, or , romanized: ', officially the Hellenic Republic, is a country in Southeast Europe. It is situated on the southern tip of the Balkans, and is located at the crossroads of Europe, Asia, and Africa. Greece shares land borders with ...
, at the northwest end of the
South Aegean Volcanic Arc
The South Aegean Volcanic Arc is a volcanic arc (chain of volcanoes) in the South Aegean Sea formed by plate tectonics. The prior cause was the subduction of the African plate beneath the Eurasian plate, raising the Aegean arc across what is now ...
.
The volcano was active during the
Pliocene
The Pliocene ( ; also Pleiocene) is the epoch in the geologic time scale that extends from 5.333 million to 2.58[Quaternary
The Quaternary ( ) is the current and most recent of the three periods of the Cenozoic Era in the geologic time scale of the International Commission on Stratigraphy (ICS). It follows the Neogene Period and spans from 2.58 million years ...](_blank)
period
Period may refer to:
Common uses
* Era, a length or span of time
* Full stop (or period), a punctuation mark
Arts, entertainment, and media
* Period (music), a concept in musical composition
* Periodic sentence (or rhetorical period), a concept ...
s of the Earth's geological history. There is still significant solfataric activity at this location. The volcano erupted
dacite
Dacite () is a volcanic rock formed by rapid solidification of lava that is high in silica and low in alkali metal oxides. It has a fine-grained (aphanitic) to porphyritic texture and is intermediate in composition between andesite and rhyolite. ...
lava.
[D’Alessandro, W. (2006]
''Gas hazard: an often neglected natural risk in volcanic areas''
a chapter in ''Geo-Environment & Landscape Evolution II'' edited by Martin-Duque J.F., Brebbia C.A., Emmanouloudis D.E and Mander U., Southampton, WIT Press, pages 369-378. The geothermal system releases about 1
megagram
The tonne ( or ; symbol: t) is a unit of mass equal to 1000 kilograms. It is a non-SI unit accepted for use with SI. It is also referred to as a metric ton to distinguish it from the non-metric units of the short ton (United States c ...
per day of
gas
Gas is one of the four fundamental states of matter (the others being solid, liquid, and plasma).
A pure gas may be made up of individual atoms (e.g. a noble gas like neon), elemental molecules made from one type of atom (e.g. oxygen), or ...
es at 42 °C, 90%
CO2 and < 1% each of
CH4 and
H2S. The earthquakes of 1997 of 3-4 R had as a result the uprising magma in higher areas of the earth crust. So future activities are possible.
The last eruption of this volcano was a side eruption which created new land in the
, where there are major port and refinery facilities.
References
* W. D'Alessandro ''et al.'', "Natural degassing activity of the geothermal system of Sousaki (Greece): Environmental impact and gas hazard issues", ''8th International Conference on Gas Geochemistry'', 2005.
* W. D'Alessandro, "Gas hazard: an often neglected natural risk in volcanic areas"
External links
Volcano Location
{{coord, 37.9368, 23.0872, display=title
Volcanoes of Greece
Neogene volcanoes
Dormant volcanoes
Landforms of Corinthia
Landforms of Peloponnese (region)