ES 140 - Disaster Journal 2

ES 140 - Disaster Journal 2 - Allison Lo Professor Hall ES...

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Allison Lo Professor Hall ES 140 September 19, 2007 Disaster Journal #2 Summary On September 13, 2007, two strong earthquakes hit the coast of the Indonesian island Sumatra. These two earthquakes followed the major earthquake that had hit Sumatra on Wednesday September 12, 2007. Wednesday’s earthquake had the biggest shock with a magnitude of 8.4. The second and third earthquake had magnitudes of 7.8 and 7.1 respectively. The trio of earthquakes wreaked most damage on the coastal cities of Padang and Bengkulu in western Sumatra where hundreds of buildings were damaged and some had even collapsed. Officials report that over a dozen people died in the earthquakes. Also, small tremors and shaking continued throughout the day causing alarmed and frightened residents to move to higher ground and inland areas. An earthquake usually happens along fault lines. Faults are cracks in the earth and earthquakes occur as a result of two sides of the cracks moving and shifting along the fault. The shaking that we experience is a result of seismic waves radiating away from the
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ES 140 - Disaster Journal 2 - Allison Lo Professor Hall ES...

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