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  • 1
    Digitale Medien
    Digitale Medien
    The seismic disturbance on 1986 August 1 near Novaya Zemlya: a source of concern? (1989)
    Oxford, UK : Blackwell Publishing Ltd
    Geophysical journal international 98 (1989), S. 0 
    Details
    ISSN: 1365-246X
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Geologie und Paläontologie
    Notizen: On 1986 August 1 a small seismic disturbance occurred to the east of a Soviet nuclear test site at Novaya Zemlya. Reported attempts to identify the nature of the source using only short-period seismological data recorded at regional distances were unsuccessful. However, by using teleseismic P-wave data it is possible to identify the source as an earthquake which occurred within the crust at a depth of 24 km. The source is shown to have a double-couple mechanism with a well-constrained fault-plane solution. The identification as an earthquake is supported by the mb: Ms evidence.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1365-246X.1989.tb02290.x
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  • 2
    Digitale Medien
    Digitale Medien
    Estimating the Firing Depth of Underground Explosions (1972)
    [s.l.] : Nature Publishing Group
    Nature 237 (1972), S. 26-28 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] If F (w) and I(w) are the effects of absorption and recording system, respectively, at angular frequency w, I(w) will usually be known for any given recording system and F(w) can be written as an amplitude term exp(?w T/2QAV) and a phase shift. T is the travel time and QAV the effective average Q ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/237026a0
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  • 3
    Digitale Medien
    Digitale Medien
    Seismic source in East Kazakhstan (1974)
    [s.l.] : Nature Publishing Group
    Nature 248 (1974), S. 743-745 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Figure 1 shows the P seismograms (b, e, h] for the event, from Yellowknife, Canada (YKA), Warramunga, Australia (WRA) and Gauribidanur, India (GBA). The YKA and WRA seismograms show two arrivals 7.5 s apart; at WRA the second arrival seems to have reversed polarity relative to P, but the YKA record ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/248743a0
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  • 4
    Digitale Medien
    Digitale Medien
    How and Why to Record Broad Band Seismic Signals (1972)
    [s.l.] : Nature Publishing Group
    Nature 239 (1972), S. 154-155 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The Kirnos seismograph is an electromagnetic seismometer with a natural frequency (/0) of 0.04 Hz- and damping factor (n) of 0.5 loosely coupled to a heavily damped galvanometer Oz=8.0, /0 = 0.833 Hz). We obtain the Kirnos response by electronically shaping the output of a Geotech S-ll seismometer ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/239154a0
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  • 5
    Digitale Medien
    Digitale Medien
    Is the velocity of P n an indicator of Q α ? (1976)
    [s.l.] : Nature Publishing Group
    Nature 264 (1976), S. 531-531 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The hypothesis has important consequences for the measurement of magnitude (mb) and the proposal made by the United States and the Soviet Union to limit the size of their nuclear weapon tests stimulated further investigations of the idea. There is not an obvious way of doing so because ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/264531a0
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  • 6
    Digitale Medien
    Digitale Medien
    Recognising simulated earthquakes (1976)
    [s.l.] : Nature Publishing Group
    Nature 259 (1976), S. 378-380 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Fig. 1 Typical microseismic noise spectrum (a), (maximum, 10 um) superimposed on the broad-band (/〉) and the LRSM short period (c) seismograph response. The LRSM response peaks here at an amplification of 30,000 but may be operated at amplifications of up to 300,000. The broad band rarely ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/259378a0
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  • 7
    Digitale Medien
    Digitale Medien
    Two Recent British Earthquakes recorded at the U.K. Atomic Energy Authority Seismometer Array at Eskdalemuir (1964)
    [s.l.] : Nature Publishing Group
    Nature 201 (1964), S. 484-485 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Since the construction of the station, the concept of a seismic monitoring and detection system has radically changed. From the requirement of a network of stations spaced some hundreds of kilometres apart, the emphasis now is on a smaller number of low-noise stations working at ranges of several ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/201484a0
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  • 8
    Digitale Medien
    Digitale Medien
    Ground to Air Coupled Waves from a Distant Earthquake (1968)
    [s.l.] : Nature Publishing Group
    Nature 220 (1968), S. 686-687 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The seismic waves from this earthquake were registered at UKAEA, Blacknest, by a long period vertical component seismometer and were recorded on one track of a multi-channel magnetic tape system. Other channels of this system were recording the outputs of a number of microbarographs spaced several ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/220686a0
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  • 9
    Digitale Medien
    Digitale Medien
    Putting nuclear-test monitoring to the test (1999)
    [s.l.] : Macmillan Magazines Ltd.
    Nature 398 (1999), S. 474-475 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] On the 22 August 1998, 0.1 kilotonnes of conventional explosives was fired underground at the nuclear test site of the former Soviet Union at Degelen Mountain in eastern Kazakhstan. This explosion, which we refer to as K980822, was carried out by the Republic of Kazakhstan, in cooperation with ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/19000
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  • 10
    Digitale Medien
    Digitale Medien
    Rayleigh wave magnitude scaleM s (1973)
    Springer
    Pure and applied geophysics 103 (1973), S. 406-414 
    Details
    ISSN: 1420-9136
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Geologie und Paläontologie , Physik
    Notizen: Summary TheM s Rayleigh wave magnitude formula is revised for purposes of eliminating the variable effects of near distances and propagation pats on the values computed from standard long period seismograms. The improved formulation employs a revised distance correction function and period dependent path correction that normalisesM s to large teleseismic distance, 20 second values. The method for computing the path corrections is described. The magnitude scale presented here givesM s values which are within ±0.1 magnitude units of the Gutenberg and Prague magnitude formulae.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00876419
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