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| Cha das Caldeiras | |
|---|---|
| Name | Cha das Caldeiras |
| Native name | Chã das Caldeiras |
| Country | Cape Verde |
| Island | Fogo |
| Municipality | São Filipe |
| Founded | 1847 |
| Population | 700 (est.) |
| Elevation m | 1500 |
Cha das Caldeiras Cha das Caldeiras is a volcanic caldera settlement on the island of Fogo in Cape Verde, located within the crater of the active stratovolcano Pico do Fogo. The community sits at high elevation inside a volcanic landscape that has shaped the settlement's history, agriculture, and tourism economy. The area is administratively part of the São Filipe and is a focal point for studies by researchers from institutions such as the University of Cape Verde, University of Lisbon, and University of Coimbra.
Cha das Caldeiras occupies a broad caldera formed by eruptive events of Pico do Fogo, an active stratovolcano linked to the Cape Verde hotspot. The landscape includes ʻaʻā and pāhoeʻoe lava fields, tuff cones, and fissure vents that connect to the central cone of Pico do Fogo, with tephra deposits comparable to those studied at Mount Etna, Mount St. Helens, and Kīlauea. Geological mapping has been performed in collaboration with teams from Instituto Dom Luiz, IPMA, and Geological Survey of Norway, and involves stratigraphic correlation with eruptive sequences recognized in the Azores and Canary Islands. The caldera's soils derive from basaltic andesite and phonolitic lavas, supporting terraced cultivation similar to practices on Madeira and Santo Antão.
Permanent settlement began in the 19th century with settlers linked to maritime routes between Lisbon, São Vicente, and Mindelo. The community expanded after land grants associated with colonial reforms under the Portuguese Empire and migration flows involving sailors, laborers, and families from Brava and Santiago. Local oral histories reference famines and droughts recorded in archives of the Portuguese Navy and reports by travelers such as Christopher Columbus-era navigators and 19th-century chroniclers, while modern census data by the INE track demographic shifts influenced by eruptions in 1951, 1995, and 2014–2015. Relief and reconstruction efforts have involved the Government of Cape Verde, international NGOs, and agencies like the United Nations Office for Disaster Risk Reduction.
The caldera experiences a montane microclimate, with temperatures moderated by elevation compared to lowland areas such as Praia and Cidade Velha. Rainfall patterns are influenced by the North Atlantic Oscillation, trade winds, and orographic lift similar to regimes affecting São Nicolau and Brava. Vegetation includes endemic and introduced species, with botanical surveys referencing taxa found on Fogo and comparisons to flora cataloged by the Royal Botanic Gardens, Kew and the Jardim Botânico da Madeira. Wildlife observations have been recorded by researchers affiliated with the Museu Nacional de História Natural e da Ciência and conservation groups like BirdLife International.
Residents practice mixed subsistence and market agriculture, producing wine grapes, coffee, vegetables, and fruit using terracing and irrigation methods comparable to systems in Madeira and Azores. Local viticulture has been studied alongside producers from Vinho Verde and Douro by enologists from the IVBAM and the University of Évora. Livelihoods also depend on pastoralism, artisanal crafts sold in markets in São Filipe and Praia, and services supporting trekking and hospitality linked to guide operators trained by the Ministry of Tourism. Remittances from diasporas in Portugal, France, and United States contribute to household incomes, while cooperatives coordinate production with exporters and NGOs such as SNV (Netherlands Development Organisation).
Community life reflects traditions of Cape Verdean Creole, festivals tied to Catholic observances from parishes in Fogo and secular celebrations similar to carnivals in Mindelo. Music, including styles related to morna, coladeira, and local guitar traditions, is practiced alongside craftsmanship in pottery and embroidery echoing techniques from Madeira and São Tomé and Príncipe. Local education and health services coordinate with the Ministry of Education and Ministry of Health, and cultural preservation projects have engaged institutions such as the Institute of Cape Verdean Arts and Culture and scholars from University of Coimbra and Sorbonne University documenting oral histories and material culture.
Active volcanism presents recurrent hazards including lava flows, ashfall, pyroclastic density currents, and seismicity monitored by networks operated by the Instituto Vulcanológico, IPMA, and research groups at the University of the Azores. Evacuation protocols and hazard zonation have been developed in coordination with the National Civil Protection, UNDP, and the Red Cross. Historical eruptions in 1951, 1995, and 2014–2015 prompted emergency response lessons shared with vulcanology programs at Universidade dos Açores and disaster risk initiatives led by the European Commission's civil protection mechanism. Risk mitigation includes land-use planning, early warning systems, community drills, and scientific monitoring integrating seismology, gas geochemistry, and remote sensing from satellites operated by ESA, NASA, and observatories at Instituto Dom Luiz.
Conservation efforts balance geological protection, endemic species preservation, and sustainable tourism promoted by the Ministry of Tourism and protected-area designations modeled on initiatives in the Madeira Natural Park and Teide National Park. Trekking routes to Pico do Fogo attract mountaineers, naturalists, and wine tourists connected to itineraries marketed by agencies in Mindelo and Praia, with guides certified through programs supported by UNESCO and regional development funds from the European Union. Research tourism and ecotourism projects involve partnerships with University of Cape Verde, Institut Français de Recherche pour le Développement (IRD), and NGOs such as Conservation International to monitor biodiversity, promote local enterprises, and finance restoration after eruptions.
Category:Populated places in Cape Verde Category:Fogo (Cape Verde)