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  • 1
    Online Resource
    Online Resource
    Characterization of modern and historical seismic-tsunamic events, and their global-societal impacts (2021)
    London : The Geological Society
    Details Availability
    Keywords: Earthquakes ; Earthquakes History ; Earthquakes Social aspects ; Tsunamis ; Tsunamis History ; Tsunamis Social aspects ; Earthquakes ; Earthquakes ; Social aspects ; Tsunamis ; History ; Aufsatzsammlung ; Tsunami ; Erdbeben ; Sediment ; Sedimentation ; Sedimentologie ; Paläoseismizität ; Tsunami ; Tempestit ; Seismotektonik ; Paläoseismologie ; Paläotektonik ; Turbidit ; Erdbebenzone ; Plattengrenze ; Rutschung ; Seebeben ; Seismologie ; Störung ; Submarine Gleitung
    Description / Table of Contents: Earthquakes and tsunamis are devastating geohazards with significant societal impacts. Most recent occurrences have shown that their impact on the stability of nations-societies and the world geopolitics is immense, potentially triggering a tipping point for a major downturn in the global economy. This publication presents the most current information on the causes and effects of some of the modern and historical earthquake-tsunami events, and effective practices of risk assessment-disaster management, implemented by various governments, international organizations and intergovernmental agencies
    Type of Medium: Online Resource
    Pages: 1 Online-Ressource (vi, 434 Seiten) , Illustrationen, Diagramme, Karten
    Series Statement: Geological Society special publication no. 501
    URL: https://sp.lyellcollection.org/content/501/1
    Language: English
    Note: Includes bibliographical references and index
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  • 2
    Electronic Resource
    Electronic Resource
    Origin of a magnetic lineation on Kyushu Island, Japan (1997)
    Oxford, UK : Blackwell Publishing Ltd
    The @island arc 6 (1997), S. 0 
    Details
    ISSN: 1440-1738
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences
    Notes: Abstract Several linear magnetic anomalies over continental crust have been identified in and around the Japanese Islands. The anomalies are probably related to island arc tectonic structures, but identifying specific sources has been difficult. Several deep holes were drilled in and around Aso caldera, where a linear anomaly occurs along an active fault. One drillhole located on the linear anomaly encountered a zone of highly magnetized and altered basement rocks at least 100 m thick at a depth of ∼1000 m. The other hole was located away from the anomaly and did not encounter any high-magnetic zones. Rocks from the zone have exceptionally strong remanent magnetization (several tens of A/m) sub-parallel to the present field. AF demagnetization experiments indicated that the magnetization is hard and stable. Magnetic modeling indicates that the linear anomaly is caused mainly by this layer. Microscopic examination of core samples shows that the highly magnetized zone includes secondary magnetic minerals and abundant hydrothermal alterations. Temperatures determined by fluid inclusions and down-hole temperatures show that the temperature of the highly magnetized zone was elevated in the past relative to surrounding rocks. The high temperature could destroy primary magnetic minerals and replace them with secondary magnetic minerals. Thus, the past hydrothermal system may have enhanced thermo-chemical remanent magnetization. The results can produce a model indicating that there was a past hydrothermal system related to the tectonic structure.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1440-1738.1997.tb00048.x
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