Sierra Negra caldera (Galápagos Islands, Ecuador)
Sierra Negra Caldera. The entire floor of the caldera is covered by lava flows from the 2005 eruption with flows emanating from the slightly elevated fissure plateau on the far right of the picture.
| Volcano: | Sierra Negra (see Sierra Negra at the Smithsonian Institution website in a new tab) |
|---|---|
| Type: | Soil Diffuse Emission |
| Description: | Sierra Negra is the largest shield volcano of Isabela Island in the Galapagos, hosting a 9×10 km elliptical caldera. Eruptive centers and different lava fields are subdivided into five distinctive age groups, all being less than 5,000 years old. Fumarolic activity inside Sierra Negra is fault controlled and occurs in an area known as Mina Azufral. |
Point of contact for this site:
Eleazar Padrón, eleazar@iter.es (Environmental Research Division, ITER)
| Measurement | date (d/m/y) | Added by | Added on |
|---|---|---|---|
| Sierra Negra_01062006 | 1/6/2006 | Emanuela Bagnato | Sept. 26, 2016 |
Bibliographic references for this site
Padrón Eleazar, Pedro A. Hernández,Nemesio M. Pérez, Theofilos Toulkeridis,Gladys Melián, José Barrancos, Giorgio Virgili, Hirochika Sumino, Kenji Notsu, 2012,Fumarole/plume and diffuse CO2 emission from Sierra Negra caldera, Galapagos archipelago, Bulletin of Volcanology, vol.74, pp. 1509–1519, DOI: 10.1007/s00445-012-0610-4
