Exploratorium
Exploratorium: Earthquake Faultline Earthquake Activities
This outstanding website provides an excellent variety of hands-on earthquake activities to help you understand what causes earthquakes.
US Geological Survey
U.s. Geological Survey: Did You Feel It?
Locate all the most recent earthquakes on this interactive map. Data includes location, magnitude and time of the quake.
Space.com
Space.com: Cracking the Code of Pre Earthquake Signals
Earthquakes can often hit unexpectedly. This article reveals some of the intricacies of these natural disasters and what signs serve as indicators to alert seismologists.
Michigan Technological University
How Do I Read a Seismogram?
When you look at a seismogram, there will be wiggly lines all across it. So which wiggles are the earthquake? This site answers this question.