Earthquake - A real 5hz
Jun 23, 2010 11:33:20 GMT -7
Post by jman on Jun 23, 2010 11:33:20 GMT -7
www.theglobeandmail.com/news/national/earthquake-shakes-central-canada-us/article1614941/
I felt it in my room. It lasted about 5 seconds and felt like ~5hz.
It wasn't audible like 20hz, but it was different from playing 10 or 15hz sine waves on the IB.
I felt it in my room. It lasted about 5 seconds and felt like ~5hz.
It wasn't audible like 20hz, but it was different from playing 10 or 15hz sine waves on the IB.
