Department of Earth Sciences, The Open University, MK7 6AA, Milton Keynes, England
Peter J. Smith & J. B. Wright
Department of Physics, Imperial College, SW7 2AZ, London, England
D. J. Southwood
Department of Offshore Engineering, Heriot-Watt University, EH14 4AS, Edinburgh, Scotland
D. Gareth Owen
Imperial College of Science and Technology, SW7 2AZ, London, England
John Sutton
38 Rodney Road, West Bridgford, NG2 6JH, Nottingham, England
Peter Kent
Global Seismology Unit, Institute of Geological Sciences, West Mains Road, EH9 3LA, Edinburgh, Scotland
C. D. Macbeth
Geophysics Department, University of Edinburgh, EH9 3JZ, Edinburgh, Scotland
C. D. Macbeth, B. A. Hobbs & R. S. Harwood
Department of Geology, University College, CF1 1XL, Cardiff, Wales
R. G. Pearce
Sub-Department of Geophysics, University of Liverpool, L69 3BX, Liverpool, England
J. D. A. Piper