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O Reports

The following O Reports are available for online viewing/download direct from this website

1997

  1. D. Bowers, H. Trodd, A. Douglas. "Novaya Zemlya Seismic Disturbance of 16 August 1997.". AWE O 01/97 (1997). [AWE_Report_O1_97.pdf]

1996

  1. R. G. Pearce, J.B. Young. "Amplitude Versus Offset (AVO) and the Zoeppritz Equations for Partitioning of Seismic Waves at an Interface: Theory, New Computer Program, Examples and Review of Past Errors.". AWE O 03/96 (1996). [AWE_Report_O3_96.pdf]

1995

  1. A. Douglas, P. D. Marshall, J.B. Young, T. Milbourne. "P Seismograms from Explosions in the S. Pacific recorded at four arrays.". AWE O 02/95 (1995). [AWE_Report_O2_95.pdf]

1994

  1. P. D. Marshall, D. Porter, J.B. Young, P.A. Peachell. "Seismic Source Discrimination at Teleseismic Distances Using Radiation Patterns: Concepts and Feasibility Study.". AWE O 02/94 (1994). [AWE_Report_O2_94.pdf]

  2. R. G. Pearce, R.M. Rogers. "Analysis of Short Period Seismograms from Explosions at the Novaya Zemlya Test Site in Russia.". AWE O 04/94 (1994). [AWE_Report_O4_94.pdf]

1993

  1. A. Douglas, P. D. Marshall, J.B. Young. "Body Wave Magnitudes and Locations of French Explosions in the South Pacific.". AWE O 11/93 (1993). [AWE_Report_O11_93.pdf]

  2. A. Douglas, P. D. Marshall, K.H. Jones. "Body Wave Magnitudes and Locations of Explosions at the Chinese Test Site, 1967–1989.". AWE O 12/93 (1993). [AWE_Report_O12_93.pdf]

  3. F.H. Grover, P. D. Marshall. "High-Frequency Seismic Signals Recorded at Eskdalemuir, Scotland.". AWE O 8/93 (1993). [AWE_Report_O8_93.pdf]

  4. H. Trodd. "United Nations Conference on Disarmament International Seismological Data Exchange Experiments. Part I UK Participation.". AWE O 3/93 (1993). [AWE_Report_O3_93.pdf]

  5. R.F. Burch. "A Three-component Borehole Seismometer System: Devlopment and Operation.". AWE O 10/93 (1993). [AWE_Report_O10_93.pdf]

1992

  1. P. D. Marshall, D. Porter, P. Peachell. "Analysis of Seismograms from Nuclear Explosions of Known Yield at Degelen Mountain and Konystan in East Kazakhstan, USSR.". AWE O 2/92 (1992). [AWE_Report_O2_92.pdf]

1990

  1. D. Porter, P. D. Marshall. "Some Seismic Results from the US-USSR Joint Verification Underground Nuclear Explosions.". AWE O 6/90 (1990). [AWE_Report_O6_90.pdf]

  2. P. D. Marshall, R.C. Lilwall, J. Farthing. "Estimates of the Teleseismic Magnitudes of Some Early Nevada Test Site Explosions.". AWE O 13/90 (1990). [AWE_Report_O13_90.pdf]

  3. R. F. Burch, P. D. Marshall. "A Survey of the Vertical Componenet of the Seismic Noise on the Falkland Islands.". AWE O 5/90 (1990). [AWE_Report_O5_90.pdf]

  4. R. M. Rogers, R. G. Pearce. "Source Mechanisms of Some Large Earthquakes Determined using the Relative Amplitude Method.". AWE O 18/89 (1990). [AWE_Report_O18_89.pdf]

  5. R.C. Lilwall. "The Detection and Location of Near-Regional Seismic Disturbances by the Eskdalemuir Array: A Study using Noise and Signal Correlations.". AWE O 20/90 (1990). [AWE_Report_O20_90.pdf]

  6. R.C. Lilwall, J. Farthing. "Joint Epicentre Determination of Soviet Underground Nuclear Explosions 1973–89 at the Semipalatinsk Test Site.". AWE O 12/90 (1990). [AWE_Report_O12_90.pdf]

1989

  1. R. C. Lilwall, J. B. Young. "Broad-Band P Wave Seismograms of Six Underground Explosions in the USA Recorded at a Selection of LRSM Stations.". AWE O 2/89 (1989). [AWE_Report_O2_89.pdf]

  2. T.G. A. Gillbanks, P. D. Marshall, R. C. Stewart. "P-wave Seismograms Recorded at Yellowknife, Canada from Underground Explosions in Nevada, USA.". AWE O 15/88 (1989). [AWE_Report_O15_88.pdf]

1988

  1. I. G. Stimpson. "Source Parameters of Explosions in Granite at the French Test Site in Algeria.". AWE O 11/88 (1988). [AWE_Report_O11_88.pdf]

  2. R. C. Lilwall, P. D. Marshall, D. W. Rivers. "Body Wave Magnitudes of some Underground Nuclear Explosions at the Nevada (USA) and Shagan River (USSR) Test Sites.". AWE O 15/88 (1988). [AWE_Report_O15_88.pdf]

  3. R. C. Stewart. "P-wave Seismograms from Underground Explosions at the Shagan River Test Site Recorded at Four Arrays.". AWE O 4/88 (1988). [AWE_Report_O4_88.pdf]

1987

  1. J.B. Young, R.C. Lilwall, A. Douglas. "World Seismicity Maps Suitable for the Study of Seismic and Geographical Regionalisation.". AWRE O 7/87 (1987). [AWRE_Report_O7_87.pdf]

  2. R.C. Lilwall. "Earthquake Detection Statistics at Short Period Stations Using a Historical Data File.". AE O 34/87 (1987). [AWE_Report_O34_87.pdf]

1986

  1. N.S. Lyman, A. Douglas, P.D. Marshall, J.B. Young. "P Seismograms Recorded at Eskdalemuir, Scotland from Explosions in Nevada, USA.". AWRE O 10/86 (1986). [AWRE_Report_O10_86.pdf]

  2. P.D. Marshall, R.C. Lilwall, J. Farthing. "Body Wave Magnitudes and Locations of Underground Explosions at the Nevada Test Site 1971–1980.". AWRE O 21/86 (1986). [AWRE_Report_O21_86.pdf]

  3. R.C. Lilwall. "Emperical Amplitude-Distance/Depth Curves for Short-Period P Waves in the Distance Range 20^∘ to 180^∘.". AWRE O 30/86 (1986). [AWRE_Report_O30_86.pdf]

  4. R.C. Lilwall. "Some Simulation Studies on Seismic Magnitude Estimators.". AWRE O 22/86 (1986). [AWRE_Report_O22_86.pdf]

  5. R.C. Lilwall, P.D. Marshall. "Body Wave Magnitudes and Locations of Soviet Underground Explosions at the Novaya Zemlya Test Site.". AWRE O 17/86 (1986). [AWRE_Report_O17_86.pdf]

1985

  1. J.B. Young, C.I. Pooley. "Classifiers of Seismic and Geographical Regionalisation.". AWRE O 6/85 (1985). [AWRE_Report_O6_85.pdf]

  2. P.D. Marshall, R.C. Lilwall, P.J. Warburton. "Body Wave Magnitudes and Locations of French Underground Explosions at the Mururoa Test Site.". AWRE O 12/85 (1985). [AWRE_Report_O12_85.pdf]

  3. R.C. Lilwall, J.M. Neary. "Redetermination of Earthquake Body-Wave Magnitudes (m_b) using the ISC Bulletin Data.". AWRE O 21/85 (1985). [AWRE_Report_O21_85.pdf]

  4. R.C. Stewart, P.J. Warburton. "Some Seismic Results of an Underground Explosion at the Mururoa Test Site (Shot No. 6).". AWRE O 17/85 (1985). [AWRE_Report_O17-85.pdf]

1984

  1. Lilwall R.C., A. Douglas. "Global Seismicity in Terms of Short Period Magnitude m_b Based on Individual Station Magnitude-Frequency Distributions.". AWRE O 23/84 (1984). [AWRE_Report_O23_84.pdf]

  2. P.D. Marshall, T.C. Bache, R.C. Lilwall. "Body Wave Magnitudes and Locations of Soviet Underground Explosions at the Semipalatinsk Test Site.". AWRE O 16/84 (1984). [AWRE_Report_O16_84.pdf]

  3. T.C. Bache, P.D. Marshall, J.B. Young. "Q and its Effect on Short Period P Waves from Explosions in Central Asia.". AWRE O 17/84 (1984). [AWRE_Report_O17_84.pdf]

1983

  1. F.A. Key, P.J. Warburton. "Processing of Seismic Signals from a Seismometer Network.". AWRE O 19/83 (1983). [AWRE_Report_O19_83.pdf]

  2. R.F. Burch. "The Mk IIIC Vertical Component Force-Balance Seismometer System. Part 1: Design and Development.". AWRE O 24/83 (1983). [AWRE_Report_O24_83.pdf]

  3. R.F. Burch. "The Mk IIIC Vertical Component Force-Balance Seismometer System. Part 2: Detailed Description, Calibration, Maintenance and Repair.". AWRE O 25/83 (1983). [AWRE_Report_O25_83.pdf]

  4. S.V. New. "An On-Line Seismometer Array Processor.". AWRE O 7/83 (1983). [AWRE_Report_O7_83.pdf]

1981

  1. A. Douglas, J.A. Hudson, B.J. Barley. "Complexity of Short Period P Seismograms: What does Scattering Contribute?". AWRE O 3/81 (1981). [AWRE_Report_O3_81.pdf]

  2. A. Douglas, J.B. Young. "The Estimation of Seismic Body Wave Signals in the Presence of Oceanic Microseims.". AWRE O 14/81 (1981). [AWRE_Report_O14_81.pdf]

1980

  1. R.G. Pearce, H. Bainbridge, P.F. Key, J.B. Young. "The 1976 Earthquake Sequence in Uzbekistan - Focal Mechanisms Determined Using the Relative Amplitude Method.". AWRE O 27/80 (1980). [https://AWRE_Report_O27_80pdf]

1979

  1. B.J. Barley. "On the use of Seismometer Arrays to Locate Sources of Higher Mode Rayleigh Waves.". AWRE O 38/78 (1979). [AWRE_Report_O38_78.pdf]

  2. R.G. Pearce. "Earthquake Focal Mechanisms from Relatve Amplitudes of P, pP, and sP: Method and Computer Program.". AWRE O 41/79 (1979). [AWRE_Report_O41_79.pdf]

1978

  1. F.H. Grover. "The Experimental Operation of a Seismological Data Centre at Blacknest.". AWRE O 54/78 (1978). [AWRE_Report_O54_78.pdf]

1977

  1. F.H. Grover. "A Survey of Atmospheric Wave Recording at Blacknest.". AWRE O 51/77 (1977). [AWRE_Report_O51_77.pdf]

  2. R.W. Hurley. "Anomalous Seismic Signals from Novaya Zemlya.". AWRE O 21/77 (1977). [AWRE_Report_O21_77.pdf]

1976

  1. C. Blamey. "The Establishment of the Blacknest Seismological Database on the Rutherford Laboratory System 360/195 Computer.". AWRE O 37/76 (1976). [AWRE_Report_O37_76.pdf]

  2. F. A. Key, T. G. Lea, A. Douglas. "Seismomter Array Station Processors.". AWRE O 36/76 (1976). [AWRE_Report_O36_76.pdf]

  3. G. W. Stuart, A. Douglas, C. Blamey. "A Computer Program for the Determination of the Phase Velocity of Seismic Surface Waves Between Pairs of Stations.". AWRE O 08/76 (1976). [AWRE_Report_O8_76.pdf]

1975

  1. P. D. Marshall, C. Sawyer. "Some Seismic Results from Soviet PNE Explosions.". AWRE O 41/75 (1975). [AWRE_Report_O41_75.pdf]

1974

  1. A. Douglas, R.C. Lilwall, J.B. Young. "Computer Programs for Epicentre Determinations.". AWRE O 28/74 (1974). [AWRE_Report_O28_74.pdf]

  2. F.H. Grover. "Infrasonic and Seismic Wave Records from the Fixborough and St Bridget Explosions.". AWRE O 46/74 (1974). [AWRE_Report_O46_74.pdf]

  3. H. I.S. Thirlaway. "Peaceful Uses of Nuclear Explosives, Review Paper No. 4 Monitoring Yields of Underground (PNE) Explosions from Normalised Amplitudes of Seismic Signals.". AWRE O 17/74 (1974). [AWRE_Report_O17_74.pdf]

  4. P. G. Gibbs, C. Blamey. "Some Seismic Results of the RIO BLANCO Explosion in the Colorado River Region, USA. (Shot Report No. 5)". AWRE O 52/74 (1974). [AWRE_Report_O52_74.pdf]

  5. P. J. Atkins, F.H. Grover, K. Parker, H. I.S. Thirlaway. "Peaceful Uses of Nuclear Explosives, Review Paper No. 2 Ground Motion and Seismic Damage from Underground Nuclear Explosions.". AWRE O 20/74 (1974). [AWRE_Report_O20_74.pdf]

1973

  1. A. Douglas, J.B. Young, J.A. Hudson. "Theoretical P Wave Seismograms from Earthquake Source Models.". AWRE O 50/73 (1973). [AWRE_Report_O50_73.pdf]

  2. P. D. Marshall, P.F. Key. "An Analysis of Seismic Waves from Earthquakes and Explosions in the Sino-Soviet Area During 1966.". AWRE O 05/73 (1973). [AWRE_Report_O05_73.pdf]

1972

  1. A. R. Curtis. "Some Seismic Results of a World Wide Sample of Large Underground Explosions.". AWRE O 34/72 (1972).

  2. F. H. Grover, E.W. James. "A Comparison of the Seismic Effects Produced by a Failing Weight and Detonations of Small, Buried, Explosive Charges.". AWRE O 50/72 (1972). [AWRE_Report_O50_72.pdf]

  3. P. D. Marshall. "Some Seismic Results of a World Wide Sample of Large Underground Explosions.". AWRE O 49/72 (1972). [AWRE_Report_O49_72.pdf]

  4. P. G. Gibbs, C. Blamey. "Some Seismic Results of 12 Underground Nuclear Explosions at the Nevada Test Site, USA.". AWRE O 32/72 (1972). [AWRE_Report_O32_72.pdf]

  5. P. G. Gibbs, C. Blamey. "Some Seismic Results of the CANNIKIN Underground Nuclear Explosion at Amchitka, Aleutian Islands.". AWRE O 65/72 (1972). [AWRE_Report_O65_72.pdf]

1970

  1. D.J. Corbishley. "Some Seismic Results of the Gasbuggy and Rulison Underground Nuclear Explosions (Shot Report No. 3).". AWRE O 46/70 (1970). [AWRE_Report_O46_70.pdf]

  2. E. W. Carpenter, P.D. Marshall. "Surface Waves Generated by Atmospheric Nuclear Explosions.". AWRE O 88/70 (1970). [AWRE_Report_O88_70.pdf]

  3. F.H. Grover. "Vibrations in Structures.". AWRE O 32/70 (1970). [AWRE_Report_O32_70.pdf]

  4. P.D. Marshall. "Some Seismic Results of the Medeo Explosions in the Alma Ata Region of the USSR (Shot Report No. 2).". AWRE O 33/70 (1970). [AWRE_Report_O33_70.pdf]

  5. P.D. Marshall, D.J. Corbishley, P.G. Gibbs. "Some Seismic Results of the Milrow Underground Nuclear Explosion.". AWRE O 47/70 (1970). [AWRE_Report_O47_70.pdf]

1968

  1. J. B. Young, A. Douglas. "Map, Time Series and Other Plotting Routines for use with the Stromberg-Carlson 4020 Plotter.". AWRE O 41/68 (1968). [AWRE_Report_O41_68.pdf]

  2. J. B. Young, P.G. Gibbs. "GEDESS: A Series of Computer Programs for Deriving Information at Selected Seismic Recording Sites for Signals from Known Hypocentres.". AWRE O 54/68 (1968). [AWRE_Report_O54_68.pdf]

  3. R.F. Burch. "A Comparison of the Short Period Seismic Noise at the Four UKAEA Type Arrays and an Estimate of their Detection Capabilities.". AWRE O 79/68 (1968). [AWRE_Report_O79_68.pdf]

1966

  1. A. Douglas. "A Special Purpose Least Squares Program.". AWRE O 54/66 (1966). [AWRE_Report_O54_66.pdf]

  2. E. W. Carpenter. "Absorption of Elastic Waves - An Operator for a Constant Q Mechanism.". AWRE O 43/66 (1966). [AWRE_Report_O43_66.pdf]

  3. P. D. Marshall, E. W. Carpenter, A. Douglas. "Some Seismic Results of the LONGSHOT Explosion.". AWRE O 67/66 (1966). [AWRE_Report_O67_66.pdf]

1965

  1. Beach A. D.. "A New Long-Period Vertical-Component Seismometer.". AWRE O 70/65 (1965). [AWE_Report_O70_65.pdf]