Surface waves
Indonesia 12/26/2004
Indonesia 12/26/2004 [0:18 · download]

 

Surface waves from the great Indonesian earthquake of December 2004, as recorded in Australia (right channel), California (center), and Germany (left).

Technical note

Time-acceleration = 8820 (1 second = 2 hours Earth time; this 17-sec recording captures almost two days of real Earth time).