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Geophysical work at Heard Island 1951/52: establishment of seismological and magnetic observatories and initial results

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Created 13/01/2025

Updated 13/01/2025

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The establishment of seismological and magnetic observatories at Heard Island is described. Brief descriptions and photographs of the huts and instruments are given. Earthquake phases recorded between April 1951 and February 1952 are listed, as are absolute magnetic observations made between July 1951 and January 1952. Although Heard Island has two active volcanic craters, the region is not very active seismically. Only two near earthquakes were recorded, both probably 2°.9 distant along the Kerguelen ridge. The absolute magnetic observations showed that the high rate of secular change in declination and horizontal intensity is continuing.

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Title Geophysical work at Heard Island 1951/52: establishment of seismological and magnetic observatories and initial results
Language eng
Licence notspecified
Landing Page https://devweb.dga.links.com.au/data/dataset/49917349-53f2-4679-bf8e-9292c20ffb4a
Contact Point
Geoscience Australia
clientservices@ga.gov.au
Reference Period 22/04/2018
Geospatial Coverage {"type": "Polygon", "coordinates": [[[73.2, -53.2], [73.8, -53.2], [73.8, -52.9], [73.2, -52.9], [73.2, -53.2]]]}
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This dataset was originally found on data.gov.au "Geophysical work at Heard Island 1951/52: establishment of seismological and magnetic observatories and initial results". Please visit the source to access the original metadata of the dataset:
https://devweb.dga.links.com.au/data/dataset/geophysical-work-at-heard-island-1951-52-establishment-of-seismological-and-magnetic-observator

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