Letter | Published:

Aftershocks Caused by the Novaya Zemlya Explosion on October 27, 1973

Naturevolume 247pages450452 (1974) | Download Citation

Subjects

  • An Erratum to this article was published on 19 April 1974
  • An Erratum to this article was published on 12 July 1974

Abstract

IN the autumn of 1973 seismic signals were recorded from three underground nuclear explosions on Novaya Zemlya in the Arctic Ocean. Two of these explosions were located at a new site on the southwestern part of Novaya Zemlya. The explosion on October 27 at the new site was followed by a suit of 10 small events, all of which occurred within 4 h of the explosion. Here we give the locations of the explosions and the afterevents based on data from Nordic and North American stations and the discrimination results based on shortperiod data obtained at the Hagfors Observatory1 (HFS) in Sweden.

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References

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    Ericsson, U., FOA 4 Report, C 4400–20 (Hagfors Observatory, 1969).

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    Slunga, R., FOA report (in the press).

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    NOAA, Preliminary Epicentre Determination of Epicentres, No. 66–69, and No. 57–73.

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    Davies, D., Some Remarks on Short period Discrimination, Woods Hole Conference in Seismic Discrimination (Advanced Research Projects Agency, 1970).

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    Israelson, H., Seismic Identification Using Short period Hagfors Data, in Proc. Seminar on Seismology and Seismic Arrays (Oslo, 1972).

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    Anglin, F. M., Nature, 223, 51–52 (1971).

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    Engdahl, E. R., Bull. seism. Soc. Amer., 62, 1411–1423 (1972).

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    Perret, W., J. geophys. Res., 76, 2730–2734 (1971).

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    Hamilton, R. M., Smith, B. E., Fisher, E. G., and Papanek, P. J., Bull. seism. Soc. A., 62, 1319–1341 (1972).

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    Nalivkin, D. V., Geological Map of USSR (Ministry of Geology and Mineral Resources, Moscow, 1956).

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Author information

Affiliations

  1. Hagfors Observatory, Research Institute of the Swedish National Defence, Stockholm, Sweden

    • HANS ISRAELSON
    • , RAGNAR SLUNGA
    •  & OLA DAHLMAN

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DOI

https://doi.org/10.1038/247450a0

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