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Published in:
2023 | OriginalPaper | Chapter
Historical Volcanism as a Source of Knowledge to Assess the Vulnerability of Population Settlements in the Azores: Some Thoughts
Authors : Fernando Pereira, Ana Oliveira, Ana Botelho, Paula Cabral, Luísa Magalhães, Tomás Medeiros
Published in: Advances in Natural Hazards and Volcanic Risks: Shaping a Sustainable Future
Publisher: Springer Nature Switzerland
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Abstract
There are records of more than two dozen volcanic eruptions since the settlement of the islands of the Archipelago of the Azores, some submarine, but many on land, subaerial. The recorded eruptions are centred on or close to São Miguel, Terceira, São Jorge, Pico and Faial islands. For the populations, eruptions are a source of concern and fear, transforming the landscape radically with the coverage of built elements and fields by ash deposits and other projected materials or lava flows, destroying their belongings and social environment. Nevertheless, over time, these new lands become sources of materials, new fertile lands, new geological and landscape elements with scientific and tourist potential and, consequently, urban reoccupation. This work starts with an analysis of the historical eruptions recorded in the Azores, types of activity and affected areas and seeks to assess the vulnerability of current populations to similar situations prospectively.