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 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 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