Get our newsletter!
Check out our volcano tours on VolcanoAdventures.com!
Volcanoes & Earthquakes - new app for Android
Guaranteed tours:
14-29 sep 2018: From Krakatau to Bali - Java (Indonesia)
26 sep - 1 oct 2018: Adventure Volcano - Yasur Volcano Travel - Isla de Tanna (Vanuatu)
26 sep - 10 oct 2018: Volcanoes and Cultures - Adventures in the South Sea - Vanuatu (South Sea)
30 sep - 7 oct 2018: Fascination Volcano - Santorini Island, Greece
30 sep - 10 oct 2018: The Volcanoes of Ambrym - the Grand Traverse - Vanuatu (South Sea)
6-13 oct 2018: Pearl of the Aegean - Santorini - Isla de Santorini, Grecia
13-20 oct 2018: Almonds, olives and volcanoes - Nisyros Island, Greece
13-29 nov 2018: Volcano Special: Ibu - Dukono - Lokon - Halmahera (Indonesia)
17-30 nov 2018: Desert, salt and volcanoes - Danakil desert (Ethiopia)
8-21 dic 2018: Desert, salt and volcanoes - Danakil desert (Ethiopia)
: espacios disponibles / : garantizada / : pocos espacios a la izquierda / : una reserva con antelación
Fotos al azar
News

No existen noticias en esta lista.

 

Cuicocha volcano

Caldera 3246 m / 10,649 ft
Ecuador, 0.31°N / -78.36°W
Current status: dormant (1 out of 5) | Reports
Cuicocha volcano books
Typical eruption style: explosive
Erupciones del volcán Cuicocha: 650 AD (?)
Fecha / HoraRevista / ProfundidadDistanciaUbicación
Mon, 20 Aug
Mon, 20 Aug 19:20 UTCM 3.2 / 4 km8 km ECUADOR
Volcán Cuicocha es una hermosa caldera en el norte del Ecuador, 100 km al norte de Quito. El volcán tiene una caldera de gran lago lleno de 3 km y se encuentra a los pies del volcán de Cotacachi (extinto) picos afilados.
Hay emisiones desde varias ubicaciones en el lago de caldera en la actualidad, indicando que el volcán está aún activo.

Background:

Both Cotacachi and Cuicocha volcanoes are located on the Otavalo-Umpalá fracture zone.
Eruptive activity at Cuicocha began about 4500 years ago and continued until about 1300 years ago. The caldera of Cuicocha formed during a Plinian (major explosive) eruption as recent as ca. 3100 years ago, which erupted about 5 cubic km of tephra (both fall and pyroclastic flow deposits), comparable to Mt. St. Helens in 1980.
4 lava domes have formed inside the caldera after its formation and form 2 small forested islands in lake. An older dome is located on the east flank of the volcano.
Pyroclastic-flow deposits cover wide areas around the low-rimmed caldera, primarily to the east.

Cuicocha caldera lake changes
Cuicocha caldera lake is 148 m deep and fed by both rain water and hydrothermal water. After an earthquake in 1987, its water level dropped rapidly over several weeks, at a rate that has been reaching 30 cm per year. Approximately 3000 cubic m of lake water per day are lost by percolation into fractures and fissures of the bedrock.
The lake temperature continues to increase at a rate of 0.1 deg C per year. Divers have observed inflow of warm hydrothermal water at zone of 78 depth in the western part of the lake, which indicates potential future activity at the volcano, in particular a limnic eruption.

Sources:
- Smithsonian / GVP volcano information
- Gunkel et al (2009) "Survey and assessment of post volcanic activities of a young caldera lake, Lake Cuicocha, Ecuador", Nat. Hazards Earth Syst. Sci., 9, 699–712


Latest satellite images

 

Más en VolcanoDiscovery:

Copyrights: VolcanoDiscovery y otras fuentes como se ha señalado.
Uso de material: Texto e imágenes en esta página web tienen derechos de autor. Para reproducción y uso sin autorización no es consentido. Si usted necesita licencias de derechos de fotografías, por ejemplo para publicaciones y comerciales utilizar, contacte con nosotros.