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Volume 60 Supplement 5

Special Issue: Geohazards and the Role of Space-Born Observations

Geohazard assessment from satellite magnetic data modeling—with examples from the Arctic Margin along the Canada Basin and the Korean Peninsula along 40°N (latitude) parallel

Earth, Planets and Space volume 60, pages 497–503 (2008)Cite this article

Abstract

Long-wavelength, relative high-amplitude-magnetic anomalies obtained at satellite altitudes have provided an understanding of the nature of the deeper crust of the Earth. We have studied two such long-wavelength anomalies in regions of high stress—one with a large and one with a lower amplitude anomaly. The first feature is on the Canada Basin continental margin in the Northwest and Yukon Territories, Canada (magnetic anomaly range: 19 nT to −6 nT at 350-km altitude). This area is also the focus of significant stress and earthquake activity. We interpret this anomaly and associated tectonic activity with this region’s position at or near the fulcrum of the scissors-like opening of the Canada Basin in the mid-Mesozoic Era. The second is a section along the 40°N (latitude) parallel crossing the Korean Peninsula (magnetic anomaly range: <−2 nT to >3 nT at 350-km altitude), where an east-west fracture zone has been proposed to extend from northeastern China, across the Korean Peninsula, Sea of Japan and (Northern) Japan.

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Author notes

  1. Hyung Rae Kim

    Present address: Dept. of Geoenvironmental Sciences, Kongju University, Shin-kwan dong, Dae-jeon, Korea

Authors and Affiliations

  1. Planetary Geodynamics Branch, NASA/Goddard Space Flight Center, Greenbelt, MD, 20771, USA

    Patrick T. Taylor

  2. GEST/UMBC and Planetary Geodynamics Branch, NASA/Goddard Space Flight Center, Greenbelt, MD, 20771, USA

    Hyung Rae Kim

  3. Laboratory of Global Tectonics and Metallogeny, Department of Chemistry, American University, Washington D.C., 20016-8041, USA

    Jan Kutina

  4. University of Alaska, Fairbanks (retired), Fairbanks, AK, 99775, USA

    G. Leonard Johnson

Authors
  1. Patrick T. Taylor
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  2. Hyung Rae Kim
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  3. Jan Kutina
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  4. G. Leonard Johnson
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Correspondence to Patrick T. Taylor.

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Taylor, P.T., Kim, H.R., Kutina, J. et al. Geohazard assessment from satellite magnetic data modeling—with examples from the Arctic Margin along the Canada Basin and the Korean Peninsula along 40°N (latitude) parallel. Earth Planet Sp 60, 497–503 (2008). https://doi.org/10.1186/BF03352816

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  • DOI: https://doi.org/10.1186/BF03352816

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