Heard All Over

a: Earthquake ~
b: hammer hitting the bell

What: "What is perhaps surprising to people is that a large earthquake with these megatons of energy can set the entire earth vibrating like a bell. So an earthquake is like the hammer hitting the bell and the entire planet then resonates with its natural frequencies for periods of weeks following the giant earthquake."

Useful?
Writer: Michael Brown
LCC:
Where:
Date: Oct 29 2013 11:13 AM


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