The Santa Margarida Volcano () is an extinct
volcano
A volcano is commonly defined as a vent or fissure 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 oft ...
in the
comarca
A ''comarca'' (, , , ) is a traditional region or local administrative division found in Portugal, Spain, and some of their former colonies, like Brazil, Nicaragua, and Panama. The term is derived from the term ''marca'', meaning a "march, mark ...
of
Garrotxa
Garrotxa () is a comarca (county) in the Girona region, Catalonia, Spain. Its population in 2016 was 55,999, more than half of them in the capital city of Olot. It is roughly equivalent to the historical County of Besalú.
Geography
Garrotx ...
,
Catalonia
Catalonia is an autonomous community of Spain, designated as a ''nationalities and regions of Spain, nationality'' by its Statute of Autonomy of Catalonia of 2006, Statute of Autonomy. Most of its territory (except the Val d'Aran) is situate ...
,
Spain
Spain, or the Kingdom of Spain, is a country in Southern Europe, Southern and Western Europe with territories in North Africa. Featuring the Punta de Tarifa, southernmost point of continental Europe, it is the largest country in Southern Eur ...
. The volcano has a
perimeter
A perimeter is the length of a closed boundary that encompasses, surrounds, or outlines either a two-dimensional shape or a one-dimensional line. The perimeter of a circle or an ellipse is called its circumference.
Calculating the perimet ...
of 2 kilometers and a height of 682 meters and is part of the
Zona Volcànica de la Garrotxa Natural Park
The Zona Volcànica de la Garrotxa Natural Park ( Catalan: ') is a natural park area covering a Holocene volcanic field (also known as the Garrotxa volcanic field or Olot volcanic field) in Catalonia, northeastern Spain. The volcanoes, of which ...
. The
hermitage of Santa Margarida, after which the volcano was named, is inside the crater of the volcano. The building was destroyed in 1428 during the
1428 Catalonia earthquake
The Catalan earthquake of 2 February 1428, known in Catalan as the ' because it took place during Candlemas, struck the Principality of Catalonia, especially Roussillon, with an epicentre near Camprodon. The earthquake was one of a series of rel ...
and rebuilt in 1865.
Geology
A study published in 2011 at the
Journal of Volcanology and Geothermal Research
''Journal of Volcanology and Geothermal Research'' is a scientific journal that publishes recent research on the fields of volcanology and geothermal activity, as well as the societal and environmental impact of these phenomenon.
Abstracting and ...
indicated that the Santa Margarida and
Croscat
The Croscat () is a volcano in the comarca of Garrotxa, Catalonia, Spain. It is both the youngest and highest volcano in the Iberian Peninsula, with the last eruption dated back to about 14,000 years Before Present. The volcanic cone has a horsesh ...
volcanoes were the product of the same eruption event 11,500 years ago, alternating
freatomagmatic activity, between water and
magma
Magma () is the molten or semi-molten natural material from which all igneous rocks are formed. Magma (sometimes colloquially but incorrectly referred to as ''lava'') is found beneath the surface of the Earth, and evidence of magmatism has also ...
, and
magma
Magma () is the molten or semi-molten natural material from which all igneous rocks are formed. Magma (sometimes colloquially but incorrectly referred to as ''lava'') is found beneath the surface of the Earth, and evidence of magmatism has also ...
tic activity.
Gallery
File:Santa Margarida (Garrotxa).jpg, The hermitage of Santa Margarida in the crater of the volcano.
See also
*
List of volcanoes in Spain
References
External links
{{commons category, Santa Margarida Volcano
Official WebsiteOlot Volcanic Field - Global Volcanism Program
Garrotxa
Mountains of Catalonia
Volcanoes of the Mediterranean Sea
Volcanoes of Catalonia
Geography of the Province of Girona