... such risks due to volcanic gases. Other geothermal hazards are landslides, phreatic eruptions, and earthquakes. volcanology geologist plate tectonics geological subdiscipline volcanic arc structural geology hazard blowout island geothermal exploration electricity landslide indonesia...

... of the Azores Islands, Portugal. Therefore, it was considered relevant to establish a methodology for the conservation of these natural monuments, with particular emphasis of lava-tube caves. In this paper, cases are presented. Special emphasis was made to the Carvão cave because most of it is located beneath...

...Volcanic Rock Mechanics Olalla et al. (eds) © 2010 Taylor & Francis Group, London, ISBN 978-0-415-58478-4 Geotechnical characterization of volcanic rocks and soils of Madeira Island JC. Lourenço, J.M. Brito, J. Santos, S.P.P. Rosa, V.C. Rodrigues & R. Oliva Cenorgeo, Geotechnical Engineering...

... ABSTRACT: El Hierro island, 0,2 million years old, is the youngest of the Canary Islands. Since it was recognized UNESCO Biosphere Reserve in 2000, the road infrastructure to be planned has to cause a minimum impact on the landscape of the island. This applies to El Verodal Tunnel to be built...

...Volcanic Rock Mechanics Olalla et al. (eds) © 2010 Taylor & Francis Group, London, ISBN 978-0-415-58478-4 Geotechnical description of halloysite clays from La Palma Island (Spain) J. Estaire, M. Santana & J.A. Diez Laboratorio de Geotecnia (CEDEX, M° de Fomento), Madrid, Spain ABSTRACT...

...SIDE- LANE LANE SIDE- WALK WALK SHOTCRETELAYER 3 cm, REIN- ): 10 cm) Volcanic Rock Mechanics Olalla et al. (eds) © 2010 Taylor & Francis Group, London, ISBN 978-0-415-58478-4 Geotechnical parameters of basaltic pyroclastics in La Palma Island, based on convergences measured in a tunnel Miguel Fe...

..., the study comprised seven varieties of natural stones exploited in severals quarries and processing plants of São Miguel Island and Santa Maria Island two of the nine islands that form the Azores archipelago. Petrographic studies and chemical analysis were performed in all the selected varieties as well...

...Volcanic Rock Mechanics Olalla et al. (eds) © 2010 Taylor & Francis Group, London, ISBN 978-0-415-58478-4 Volcanic dikes engineering properties for storing and regulation of the underground water resources in volcanic islands J.C. Santamarta Cerezal Escuda Técnica Superior de Ingenieria Civil e...

... ABSTRACT: El Hierro Hydro-wind Plant is a singular project, as its aim is to make the island energy self-sufficient. It involves constructing two reservoirs—the higher of which began being constructed in September 2009. This article attempts to reflect the peculiarity of the behaviour...

... ABSTRACT: Future large and extremely large ground-based telescopes will demand stable geological settings. The world class astronomical observatories of El Teide (Tenerife, Canary Islands), Roque de los Muchachos (La Palma, Canary Islands) Mauna Kea (Hawaii) and Paranal (Chile...

...Volcanic Rock Mechanics Olalla et al. (eds) © 2010 Taylor & Francis Group, London, ISBN 978-0-415-58478-4 Road tunnel design and construction at Madeira Island J.M. Brito, C.J.O. Baião & S.P.P. Rosa Cenorgeo, Engenharia Geotécnica, Lda., Lisboa, Portugal ABSTRACT: In the last two decades a new...

..., Spain L.E. Hernández Regional Ministry of Public Works of the Government of the Canary Island, Spain ABSTRACT: The town of Santa Cruz de Tenerife, NE Tenerife, Canary Islands, Spain, spreads on Young volcanic materials which show a great heterogeneity. Very often this means a hard problem to overcome...