US Geological Survey
U.s. Geological Survey: Learning About Earthquakes Coloring Pages
Coloring pictures of seismic waves, earthquake safety and hazard maps. [PDF] Links to other handy tools, including trivia, stories, games and fun projects.
Other
Ceri: Earthquake Facts and Follies
A list of frequently asked questions about earthquakes. This is a good source for earthquake trivia and separating fact from fiction.
Michigan Technological University
How Are Earthquake Magnitudes Measured?
This website explains how the Richter and Mercalli Scales work.
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.
Science4Fun
Science4 Fun: Earthquake
Information about earthquakes including causes and how they are measured.
CK-12 Foundation
Ck 12: Earth Science: Seismic Waves Study Guide
[Free Registration/Login may be required to access all resource tools.] This study guide summarizes key points about types of seismic waves. Includes a few questions to check for understanding.