The Earthquake Rose

 

The image above shows the record of a magnitude 6.8 earthquake that shook Olympia, Washington in 2001. It was discovered in a sand-tracing pendulum by shop-owner Jason Ward. According to seismologists, the rose in the middle was created by the high-frequency waves that arrived first, with the larger oscillations around it being caused by the lower-frequency oscillations that arrived later.

[via]

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4 responses to “The Earthquake Rose

  1. Reblogged this on Talesfromthelou's Blog and commented:
    Cool ! I want one !

  2. How extraordinary!

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