Topical Comment

Visual Geosciences

, Volume 10, Issue 1, pp 21-26

First online:

The 2004 Sumatra earthquake and Indian Ocean tsunami: What happened and why?

  • Seth SteinAffiliated withDepartment of Geological Sciences, Northwestern University Email author 
  • , Emile A. OkalAffiliated withDepartment of Geological Sciences, Northwestern University

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The December 26, 2004 Sumatra earthquake and the tsunami that followed killed over 300,000 people. In this paper, we analyze and discuss the geologic causes for this earthquake, the mechanisms that generated it, and follow up with a discussion on ways to prevent this type of disaster in the future.


Earthquake Sumatra Tsunami