Seismicity of the Earth, 1964-1995
Seismicity of the Earth, 1964-1995, showing magnitudes greater than 5.1 (from E.R. Engdahl, R.D. Van der Hilst,and R.P. Buland, Bulletin of the Seismological Society of America, Vol.88, 1998) with tectonic plate boundaries superimposed (courtesy Lisa Gahagan,University of Texas, Institute of Geophysics, Plates project). Figure prepared by Madeleine Zirbes, U.S. Geological Survey.

General Assembly Resolutions

Resolutions are adopted by the Council at each General Assembly. All IUGG (Union) Resolutions adopted at General Assemblies since Zurich (1967) are posted here.

IUGG Resolutions

  • Zurich 1967 [ PDF ]
  • Moscow 1971 [ PDF ]
  • Grenoble 1975 [ PDF ]
  • Canberra 1979 [ PDF ]
  • Hamburg 1983 [ PDF ]
  • Vancouver 1987 [ PDF ]
  • Vienna 1991 [ PDF ]
  • Boulder 1995 [ PDF ]
  • Birmingham 1999 [ PDF ]
  • Sapporo 2003 [ PDF ]
  • Perugia 2007 [ PDF ]
  • Melbourne 2011 [ PDF ]
  • Prague 2015 [ PDF ]

Contact Information

IUGG Secretariat
Helmholtz Centre Potsdam
GFZ German Research Centre for Geosciences
Telegrafenberg, A17
D-14473 Potsdam, Germany

Phone +49 331 2881978
Fax: +49 331 2881759
Email: secretariat@iugg.org