The magnitude and impact of the 431 CE Tierra Blanca Joven eruption of Ilopango, El Salvador
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- Victoria C. Smith
- Research Laboratory for Archaeology and the History of Art, School of Archaeology, University of Oxford, Oxford OX1 3TG, United Kingdom;
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- Antonio Costa
- Sezione di Bologna, Istituto Nazionale di Geofisica e Vulcanologia, Bologna 40128, Italy;
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- Gerardo Aguirre-Díaz
- Centro de Geociencias, Universidad Nacional Autónoma de México, Querétaro 76230, Mexico;
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- Dario Pedrazzi
- Group of Volcanology, Laboratory of Geological Processes Simulation (SIMGEO UB-CSIC), Institute of Earth Sciences Jaume Almera, Lluis Sole i Sabaris s/n, 08028 Barcelona, Spain;
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- Andrea Scifo
- Centre for Isotope Research, University of Groningen, Groningen 9747 AG, The Netherlands;
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- Gill Plunkett
- Archaeology & Palaeoecology, School of Natural and Built Environment, Queen’s University Belfast, Belfast BT7 1NN, Northern Ireland, United Kingdom;
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- Mattieu Poret
- Laboratoire Magmas et Volcans, Université Clermont Auvergne, CNRS, Institut de Recherche pour le Développement, 63170 Clermont-Ferrand, France;
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- Pierre-Yves Tournigand
- Dipartimento di Geoscienze, Università degli studi di Padova, 35131 Padua, Italy;
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- Dan Miles
- Research Laboratory for Archaeology and the History of Art, School of Archaeology, University of Oxford, Oxford OX1 3TG, United Kingdom;
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- Michael W. Dee
- Centre for Isotope Research, University of Groningen, Groningen 9747 AG, The Netherlands;
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- Joseph R. McConnell
- Division of Hydrologic Sciences, Desert Research Institute, Reno, NV 89512;
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- Ivan Sunyé-Puchol
- Research Laboratory for Archaeology and the History of Art, School of Archaeology, University of Oxford, Oxford OX1 3TG, United Kingdom;
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- Pablo Dávila Harris
- División de Geociencias Aplicadas, Instituto Potosino de Investigación Científica y Tecnológica, San Luis Potosí 78216, Mexico;
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- Michael Sigl
- Climate and Environmental Physics, Physics & Oeschger Centre for Climate Change Research, University of Bern, 3012 Bern, Switzerland;
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- Jonathan R. Pilcher
- Archaeology & Palaeoecology, School of Natural and Built Environment, Queen’s University Belfast, Belfast BT7 1NN, Northern Ireland, United Kingdom;
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- Nathan Chellman
- Division of Hydrologic Sciences, Desert Research Institute, Reno, NV 89512;
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- Eduardo Gutiérrez
- Gerencia de Geología del Observatorio Ambiental, Ministerio de Medio Ambiente y Recursos Naturales, San Salvador 76230, El Salvador
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説明
<jats:title>Significance</jats:title> <jats:p>The Tierra Blanca Joven eruption of Ilopango occurred during Maya times but the exact timing and its impact have been controversial. It was thought to be responsible for the anomalously cold decade experienced in the Northern Hemisphere centered at 540 CE, but this date is at odds with archeological evidence that suggests a date near the start of the Early Classic Period (pre-450 CE). Our precise age of 431 ± 2 CE allows us to pinpoint the eruption in proxy records and shows that its impact was apparently limited. It appears to have only had major effects on populations within ∼80 km of the volcano, where the regions were blanketed by decimeters of ash fallout and pyroclastic density currents.</jats:p>
収録刊行物
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- Proceedings of the National Academy of Sciences
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Proceedings of the National Academy of Sciences 117 (42), 26061-26068, 2020-09-28
Proceedings of the National Academy of Sciences
