Pululahua 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 ...

in the north of

Quito Canton Quito, officially the Metropolitan District of Quito ( es, Distrito Metropolitano de Quito), is a canton in the province of Pichincha, Ecuador. Governance The canton is governed by the same mayor and city council that govern the city of Quito ...

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 ( ; ; Quechua: ''Ikwayur''; Shuar: ''Ecuador'' or ''Ekuatur''), officially the Republic of Ecuador ( es, República del Ecuador, which literally translates as "Republic of the Equator"; Quechua: ''Ikwadur Ripuwlika''; Shuar: ''Eku ...

. 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 b ...

and north of Casitahua volcanoes. Pululahua's caldera is approximately 5 km wide. The volcano is within an Ecuadorian national park known as Reserva Geobotánica Pululahua. 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 w ...

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