Pululahua is a dormant

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 north of

Quito Canton Quito, officially the Metropolitan District of Quito (), is a Cantons of Ecuador, canton in the province of Pichincha Province, Pichincha, Ecuador. Governance The Municipality of Quito (officially the Municipality of the Metropolitan District o ...

Pichincha Province Pichincha () is a province of Ecuador located in the northern Sierra region; its capital and largest city is Quito. It is bordered by Imbabura and Esmeraldas to the north, Cotopaxi and Santo Domingo de los Tsáchilas to the south, Napo and ...

Ecuador Ecuador, officially the Republic of Ecuador, is a country in northwestern South America, bordered by Colombia on the north, Peru on the east and south, and the Pacific Ocean on the west. It also includes the Galápagos Province which contain ...

. The volcano is in the Western Cordillera of the northern Ecuadorian Andes, approximately west-southwest of

Mojanda Mojanda is an inactive stratovolcano of the Eastern Cordillera of the Andes in northern Ecuador. A summit caldera, which was produced by an explosive Plinian Eruption that marked the end of Mojanda activity 200,000 years ago, is occupied by ...

and north of

Casitahua Casitahua (less frequent spelling: ''Casitagua'') is a dormant, eroded stratovolcano in the north of Quito Canton, Pichincha Province, Ecuador, with a height of . The volcano is in the Western Cordillera of the northern Ecuadorian Andes, between ...

volcanoes. Pululahua's caldera is approximately 5 km wide. The volcano is within an Ecuadorian national park known as

Reserva Geobotánica Pululahua Reserva Geobotánica Pululahua (''Pululahua Geobotanical Reserve'') (''Cloud of Water Geobontanical Reserve'') is a protected area around Pululahua Volcano in the north of Quito Canton, Pichincha Province, Ecuador. It is 17 km north of Quito ...

. In 467 BCE, Pululahua erupted, sending volcanic ash over much of the western Ecuadorian lowland regions, which greatly reduced the expressions of the

Chorrera The Chorrera culture or Chorrera tradition is a Late Formative indigenous culture that flourished between 1300 BCE and 300 BCE in Ecuador.White, Nancy ''South American Archaeology.'' (retrieved 1 June 2011) Chorrera culture was one of the most ...

and Cotocollao cultures.Zeidler 471

Notes

References

*Zeidler, J. A. "The Ecuadorian Formative." Helaine Silverman and William H. Isbell, eds
''Handbook of South American Archaeology.''
New York: Springer, 2008. . * {{DEFAULTSORT:Pululagua Quito Canton Volcanoes of Ecuador Calderas of Ecuador Geography of Pichincha Province Pleistocene volcanoes Holocene volcanoes