cool nerdy science vid on seismographs

[inlovewithcrow]

I don't know if any of you read the Bad Astronomy blog by Phil Plait, but this was from yesterday's earthquake and I thought it totally cool:





for a complete explanation of what seismographs are giving data and what data, read: blogs.discovermagazine.com/badastronomy/2011/08/23/virginia-earthquake-waves-ripple-across-the-us/

[ilmatto]

That's very interesting; I just sent that to my sister who lives in Fairfax Va.