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VOLCANO SEISMOLOGY CASE STUDIES

  • Kartonierter Einband
  • 140 Seiten
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I study the structure beneath volcanoes; describe unexpected effects of the shaking from an earthquake on volcanoes; and suggest a... Weiterlesen
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Beschreibung

I study the structure beneath volcanoes; describe unexpected effects of the shaking from an earthquake on volcanoes; and suggest a model for a magma system. The conceivable configuration of magma systems beneath Galeras (Colombia) is studied with b- value mapping. I obtain models for earthquake- volcanoes interactions by studying drops in seismicity at Mt. Wrangell (Alaska), after the 2002 Denali Fault Earthquake. A model for the magmatic system beneath Mt. Veniaminof is proposed by modeling velocities and relocating shocks, and by studying the temporal changes of frequencies and attenuation. The internal structure of volcanoes varies and has localized zones of high b-values. Seismicity at Mt. Veniaminof suggests that earthquakes result from locally-induced stresses and that some events represent the response of a shallow hydrothermal system to heat input from below. The study of drops in seismicity at Wrangell indicates that both dynamic shaking and static stress changes from regional shocks can affect the local seismicity for extended periods. This work was undertaken because much research in volcano seismology is needed to help in hazard assessment.

Autorentext

Dr. Sánchez, professor at Universidad de Guadalajara, México, has 18+ years experience in Earth Sciences, including work in Colombia, Alaska (USA); Montserrat (West Indies); and Mexico and is author in 71 research papers and abstracts. Special interests include Geosciences Education and teaching skills for writing and public presentations.

Produktinformationen

Titel: VOLCANO SEISMOLOGY CASE STUDIES
Untertitel: RESULTS FROM GALERAS VOLCANO (COLOMBIA), MOUNT WRANGELL AND MOUNT VENIAMINOF (ALASKA)
Autor:
EAN: 9783639220452
ISBN: 3639220455
Format: Kartonierter Einband
Anzahl Seiten: 140
Gewicht: 225g
Größe: H220mm x B150mm x T8mm
Veröffentlichung: 01.11.2009
Jahr: 2009