Siete Luminarias

Siete Luminarias (the Seven Luminarias) is a group of seven extinct volcanoes in central Mexico, located in and around the town of Valle de Santiago in the state of Guanajuato.[1]

Siete Luminarias (Seven Luminaries) Natural Monument
La Region Volcanica Siete Luminarias
Hoya la Alberca crater
Map showing the location of Siete Luminarias (Seven Luminaries) Natural Monument
Map showing the location of Siete Luminarias (Seven Luminaries) Natural Monument
Location of Siete Luminarias in Mexico
LocationGuanajuato, Mexico
Nearest cityValle de Santiago
Coordinates20°23′25.8″N 101°12′09.6″W
Area89.28 km2 (34.47 sq mi)
DesignationNatural Monument
Designated1997
AdministratorNational Commission of Natural Protected Areas

Geography

The Siete Luminarias are low-rimmed volcanoes, or maars, with steep-sided, flat-bottomed central craters up to one kilometer in diameter.[2] The seven craters are Hoya la Alberca (1672 meters elevation), Hoya de Cíntora (1703 m), Hoya de Flores or Hoya de Alvarez (2100 m), Rincón de Parangueo (2050 m), Hoya de San Nicolás de Parangueo (1820 m), Hoya Blanca (1819 m), and Hoya Solís (1787 m).[3][4] The volcanoes are part of the Michoacán–Guanajuato volcanic field.[4]

The Siete Luminarias are in the Bajío region, a fertile agricultural region in the southwestern portion of the Mexican Plateau. The Bajío is in the basin of the Lerma River, which flows from east to west to the north of the volcanoes.

Four craters – Rincón de Parangueo, San Nicolás de Parangono, La Alberca, and Cíntora – were formerly home to crater lakes, but over-extraction of groundwater has caused all these lakes to dry up.[5]

Flora and fauna

Siete Luminarias is in the Bajío dry forests ecoregion.[6]

Conservation

In 1997 Siete Luminarias was declared a natural monument by the government of Mexico. It covers an area of 89.28 km2 to the south, west, and northwest of the city of Valle de Santiago.[1]

References

  1. "The Seven Luminaries. Craters Between Villages". Volcano Active Foundation. 4 April 2019. Retrieved 23 July 2022.
  2. "Las Siete Luminarias del Valle de Santiago". Destinos Mexico. Retrieved 23 July 2022.
  3. "Michoacán-Guanajuato". Global Volcanism Program. Smithsonian Institution, National Museum of Natural History. Retrieved 23 July 2022.
  4. Alcocer, J., Bernal-Brooks, F.W. (2019). Physical and Chemical Characterization of Inland Waters. In: Ibáñez, A. (eds) Mexican Aquatic Environments. Springer, Cham. https://doi.org/10.1007/978-3-030-11126-7_1
  5. "La Region Volcanica Siete Luminarias". DOPA Explorer. Accessed 23 July 2022.
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