A First Look at Domestic and International Global Terrorism Events, 1970–1997

  • Laura Dugan
  • Gary LaFree
  • Heather Fogg
Part of the Lecture Notes in Computer Science book series (LNCS, volume 3975)


While the study of terrorism has expanded dramatically since the 1970s, most analyses are limited to qualitative case studies or quantitative analyses of international incidents only—which comprise a very small proportion of all terrorist events. Until now, empirical data on both domestic and international terrorist events have not existed. We have compiled information from more than 69,000 terrorism global incidents from 1970 to 1997. Most of these data were originally collected from a private intelligence service agency using open-source data. Since we completed coding the original data in 2005, we have been continually updating and validating the data and we now call the Global Terrorism Database (GTD). We begin this paper by describing the data collection efforts and the strengths and weaknesses of relying on open-source data. We then summarize completed research projects and end by listing on-going efforts to better understand the dynamics of world-wide terrorism events.


Data Collection Effort Terrorist Event International Terrorism Federal Aviation Administration Terrorism Incident 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer-Verlag Berlin Heidelberg 2006

Authors and Affiliations

  • Laura Dugan
    • 1
  • Gary LaFree
    • 1
  • Heather Fogg
    • 1
  1. 1.Department of Criminology and the National Center for the Study of Terrorism and the Response to TerrorismUniversity of MarylandCollege Park

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