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| Fogo (volcano) | |
|---|---|
| Name | Fogo |
| Photo caption | Lava flow on Pico do Fogo, 2014 |
| Elevation m | 2829 |
| Location | Cape Verde |
| Range | Atlantic Ocean |
| Type | Stratovolcano; Caldera |
| Last eruption | 2014–2015 |
Fogo (volcano) is the highest peak of Cape Verde and an active stratovolcano located on the island of Fogo in the Bissau archipelago off West Africa. Its summit cone, Pico do Fogo, rises within a large caldera and dominates the Cape Verde volcanic chain, the Canaries, and the Azores in Atlantic volcanism studies. Fogo's eruptions have influenced regional demographics, agriculture, and geopolitics across Santiago and nearby maritime routes.
Fogo occupies most of the island of Fogo and features a roughly 9 km wide caldera, the Chã das Caldeiras, rimmed by cliffs and containing the central cone, Pico do Fogo. Geographically it lies within the Macaronesia biogeographic region and is part of the Cape Verde hotspot track related to plate movements of the African Plate and interaction with the Mid-Atlantic Ridge. Geologically Fogo is composed of alkali basalts, phonolites, and trachytes characteristic of intraplate volcanism documented alongside formations in the Madeira Islands and Sahara-proximal basalts. Structural mapping links Fogo to rift-parallel faults similar to those studied in the Gulf of Guinea and Senegal Basin.
Fogo's eruptive record includes Holocene lava flows, explosive pyroclastic deposits, and periodic flank eruptions studied together with records from Pico do Fogo, Boa Vista, and Sal Island. Historical eruptions were recorded by Portuguese navigators and later by scientists from institutions such as the Portuguese Navy hydrographic service and researchers associated with University of Lisbon and University of Cape Verde. Tephrochronology correlates Fogo tephra with deposits on Ilhéu de Sal Rei and sediments sampled by the International Ocean Discovery Program in the eastern Atlantic.
The 1995 eruption began with fissure activity and produced lava flows that threatened settlements in the caldera; response involved coordination between Cape Verdean Armed Forces units, the United Nations Office for the Coordination of Humanitarian Affairs, and NGOs including Red Cross societies. The 2014–2015 eruption produced more voluminous lava flows that destroyed parts of the village of Portela and Bangaeira, prompted evacuations overseen by the Government of Cape Verde, and attracted teams from the Smithsonian Institution's Global Volcanism Program and volcanologists from ETH Zurich and the University of Coimbra. International aid arrived from entities such as the European Union and the International Monetary Fund supported reconstruction funding, while remote sensing by Copernicus Programme satellites tracked thermal anomalies.
Hazards from Fogo include lava inundation, ballistic projectiles, pyroclastic density currents, ashfall affecting Praia and shipping lanes, and secondary lahars during heavy rainfall affecting drainage networks into the Atlantic. Monitoring is conducted by the Instituto Nacional de Investigação e Desenvolvimento Agrário (INIDA) alongside seismic stations supported by collaborations with Observatório Vulcanológico de Cabo Verde and academic partners at University of the Azores. Early warning draws on seismicity, ground deformation measured with InSAR and GPS, and gas emissions measured by teams affiliated with United States Geological Survey and European volcanology laboratories.
Eruptions have repeatedly led to evacuations, property loss, and resettlement programs coordinated by the Prime Minister of Cape Verde's office and international humanitarian agencies including United Nations Development Programme and World Food Programme. Reconstruction initiatives involved international partners like African Development Bank financing housing and infrastructure, while diasporic communities in Lisbon and Boston organized remittance support. Resettlement policies raised debates within the National Assembly of Cape Verde and among NGOs such as Habitat for Humanity concerning land tenure and cultural heritage protection.
Chã das Caldeiras hosts unique agroecosystems where vineyards, fruit orchards, and vegetable terraces exploit volcanic soils; crops include grapes used in local winemaking promoted in collaborations with Ministry of Agriculture (Cape Verde) and agri-businesses linked to markets in Praia and Mindelo. Volcanic substrates support endemic plant assemblages studied by botanists from University of Porto and conservationists from IUCN and BirdLife International due to important avifauna on Fogo and neighboring islands. Post-eruption succession and soil regeneration have been documented with support from the Food and Agriculture Organization.
Fogo is central to Cape Verdean identity, featuring in literature, music, and visual arts connected to authors and artists who trace roots to the island and to festivals in São Filipe. Tourism includes guided ascents of Pico do Fogo, wine tourism in Chã das Caldeiras, and geotourism promoted by the Ministry of Tourism (Cape Verde), with operators based in São Filipe and ties to international tour companies in Lisbon and Paris. Cultural heritage sites associated with volcanic landscapes attract researchers from institutions like National Geographic Society and filmmakers documenting Macaronesian geology.