Support documents

Free pdf documents that describe the science of seismology.

	Download all support documents in one file 3.7MB pdf		How big was that earthquake?
	What is an earthquake?		Building a simple seismometer
	How frequent are earthquakes?		Accessing live seismic data from the internet
	Where do earthquakes happen?		Using Amaseis datalogging and interpretation software
	What are seismic waves?		Decoding seismograms