Wallenstein, N and Marques, R and Duncan, Angus M. and Chester, David K. and Coutinho, Rui (2014) Non-eruptive geological hazards of dormant volcanoes: Sao Miguel, Azores Perigos geologicos nao erurptivos en vulcoes adormecidos: Sao Miguel, Acores. Comunicacoes Geologicas, 101 (II). pp. 943-947. ISSN 0873-948X
Preview |
Text
communicacaogeol.pdf Download (2MB) | Preview |
Abstract
São Miguel Island presents a diversity of geological
hazards that are related to non-eruptive processes. Frequent seismic swarms and destructive earthquakes, of volcanic and tectonically related origin, have been recorded on the Island since it was settled in the 15th century. Large areas of volcanic edifices of Sete Cidades, Fogo and Furnas are unstable. Steep slopes, unconsolidated and poorly consolidated materials, such as volcaniclastic deposits occasionally weathered by hydrothermal activity, play an important role in landslide activity. Slope instability is mainly triggered by intense rainfall, but also by seismic activity, sea and fluvial erosion and/or anthropogenic activity. Volcano degassing represents a major
risk during anomalous gas release and a continuous menace for the public health.
| Item Type: | Article |
|---|---|
| Additional Information and Comments: | http://www.lneg.pt/iedt/unidades/16/paginas/26/30/38 |
| Faculty / Department: | Faculty of Human and Digital Sciences > School of Computer Science and the Environment |
| Depositing User: | Anna Kirpichnikova |
| Date Deposited: | 02 Nov 2015 18:44 |
| Last Modified: | 13 Jan 2025 10:59 |
| URI: | https://hira.hope.ac.uk/id/eprint/453 |
Actions (login required)
 |
View Item |
Altmetric
Altmetric
