Volcán Ecuador is the smallest of six

shield volcano A shield volcano is a type of volcano named for its low profile, resembling a shield lying on the ground. It is formed by the eruption of highly fluid (low viscosity) lava, which travels farther and forms thinner flows than the more viscous lava ...

es comprising Isabela Island of the Galápagos with an elevation of . It contains a

caldera A caldera ( ) is a large cauldron-like hollow that forms shortly after the emptying of a magma chamber in a volcanic eruption. An eruption that ejects large volumes of magma over a short period of time can cause significant detriment to the str ...

that is breached to the west by edifice collapse. The caldera floor is largely covered by youthful lava flows and contains several chains of

spatter cone Volcanic cones are among the simplest volcano, volcanic landforms. They are built by ejecta from a volcanic vent, piling up around the vent in the shape of a cone (geometry), cone with a central crater. Volcanic cones are of different types, depen ...

s and small

scoria cone A cinder cone or scoria cone is a steep, conical landform of loose pyroclastic fragments, such as volcanic ash, clinkers, or scoria that has been built around a volcanic vent. The pyroclastic fragments are formed by explosive eruptions or l ...

s. Volcán Ecuador is the only volcano on Isabela Island not known to have erupted in historical times. However, the

geomorphology Geomorphology () is the scientific study of the origin and evolution of topographic and bathymetric features generated by physical, chemical or biological processes operating at or near Earth's surface. Geomorphologists seek to understand wh ...

of its youngest lava flows is comparable to those of very recent lava flows from other volcanoes on Isabela Island. Like Volcán Wolf to the east, Volcán Ecuador straddles the

equator The equator is the circle of latitude that divides Earth into the Northern Hemisphere, Northern and Southern Hemisphere, Southern Hemispheres of Earth, hemispheres. It is an imaginary line located at 0 degrees latitude, about in circumferen ...

. It is also the only volcano on the island without its own native

Galápagos tortoise The Galápagos tortoise or Galápagos giant tortoise (''Chelonoidis niger'') is a very large species of tortoise in the genus ''Chelonoidis'' (which also contains three smaller species from mainland South America). The species comprises 15 subsp ...

population.

References

Volcanoes of the Galápagos Islands Shield volcanoes of Ecuador Polygenetic shield volcanoes Calderas of the Galápagos Islands {{Ecuador-geo-stub

See also

References