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Tsunamis and Earthquakes

The 26 December 2004 Indian Ocean Tsunami: Initial Findings from Sumatra

Back:Tsunami Sand Deposits

Cross-sectional views of tsunami deposits at the village of Lampuuk. The larger photo shows that 73 cm of sand was deposited over soil (dark material in bottom center), in beds indicating multiple pulses of sand deposition. The lowermost bed, 45 cm of sand grading upward from coarse to fine, settled from suspension in a single wave and can be used to characterize the wave's height and velocity.

To see larger versions of each of the photos included in this diagram, please click a photo:

Lampuuk tsunami sand deposits, see caption above.Cross-section at Lampuuk Golf Course

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last modified 31 May 2005 (lzt)