Skip to main content
Geosciences LibreTexts

17.2: Indonesian Tsunami

  • Page ID
  • 2004 Indian Ocean Tsunami

                    On December 25, 2004 a magnitude 9.1 earthquake ruptured off a subduction zone to the west of Sumatra, Indonesia. The energy produced from this earthquake, equivalent to 23,000 Hiroshima-type atomic bombs, would generate the most destructive tsunami waves in human history. Over 150,000 people in over 14 nations across nearly 3800 miles of the Indian Ocean were killed. The aftermath of the  

     How The Tsunami Spread

    Immediately following the magnitude 9.1 earthquake, 

                The death totalled atleast 150,00 people

     Role of Ecological Destruction

    The death and destruction of the 2004 Indian Ocean Tsunami were exacerbated by the destruction of coral reefs and mangrove forests alone the coastlines of the hardest hit countries. Coral Reefs

     Lessons Learned

    Despite a significant lag time (several hours) between the rupture of the earthquake in Indonesia and the arrival fo the killer waves in India and Sri Lanka, there was little to no preparation or evacuation of at risk areas. Despite the Indians Ocean proximity to fault lines and volcanoes in Indonesia, there was no early warning system, or network for communication in place. 

    18 months later, 28 Tsunami warning centers were placed in the Indian Ocean, cable of tracking both seismic and

    The disaster fueled tsunami early warning systems 

    Future Forcast