At 6.26am this morning

4.26 BST, there was an earthquake measuring 6.4 on the Richter scale in the Greek Islands. MTS, having dragged himself out of his pit at 6.30, wondered wtf is the building shaking? at precisely 6.35.
So it took 9 minutes for the shockwaves to reach Cairo. Your task for this afternoon fellow wrathers...calculate the speed of the shockwaves.

Posted By: mike_the_sphinx, Jul 15, 12:44:40

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