NASA
Nasa Space Place: What Is an Earthquake?
Discover why earthquakes happen, how we measure them, and why they only happen on Earth.
California Institute of Technology
Scedc: Investigating Earthquakes Through Regional Seismicity
Learn about earthquakes and how they are measured. Follow up with some activities that help to enhance your learning.
Other
Federal Emergency Management Agency: Tremor Troop: Earthquakes [Pdf]
A 260-page unit of activities on earthquakes. Covers what they are, their cause, why and where they occur, their impact on the Earth, how they are measured, and safety and survival. Includes worksheets and has a glossary at the end.
University of California
University of California: Understanding Earthquakes
This website is a resource for learning about earthquakes. Java animation at this site helps you visually understand the causes of earthquakes.
American Geosciences Institute
American Geosciences Institute: Dynamic Planet
Seven hands-on lessons module where students learn about our dynamic planet. These inquiry-based explorations investigate scientific models, earthquakes and seismic waves, Earth's interior, Earth movements, the lithosphere, plate...
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.
PBS
Nova: Seismic Signals
Scientists have determined that the earthquakes preceding volcanic eruptions are different than those that precede earthquakes. Discover the sounds and wave patterns produced by the three different types of volcanic seismic activities.
US Geological Survey
U.s. Geological Survey: Earthquake Center: Glossary
This resource provides definitions of important earthquake related terms.
Concord Consortium
Concord Consortium: Exploring Earth's Seismicity
This sequence is an introduction to plate tectonics using evidence from topographical maps, earthquake location and depth, and volcano location using the Seismic Explorer model to investigate patterns of earthquake data and to infer the...
PBS
Wnet: Thirteen: Savage Earth: The Restless Planet Earthquakes
Discussion of liquefaction and landslides which are two of the many effects of earthquakes.
Sophia Learning
Sophia: Earthquakes
A quick, introductory lesson about how earthquakes happen, and what impact these natural events have on life.
Incorporated Research Institutions for Seismology
Iris: Earthquakes, Like Ripples on Water?
See how seismic waves propagate outwards, as wave fronts, in all directions following an earthquake.
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.
Incorporated Research Institutions for Seismology
Iris: Earthquakes, Like Ripples on Water?
In this activity, students investigate the classic Earth science analogy, "Seismic waves radiate outward from an earthquake's epicenter like ripples on water."
CK-12 Foundation
Ck 12: Earth Science: Measuring Earthquake Magnitude Study Guide
An overview of measuring earthquake magnitude.
US Geological Survey
U.s. Geological Survey: What Causes Earthquakes?
USGS provides the definition of a fault, the basics of earthquakes, the theory of plate tectonics, location of plates and earthquakes, and embedded links to related material.
Science Buddies
Science Buddies: Set Your Table for a Sweet and Sticky Earthquake Shake
Earthquakes can have different affects depending on their location. This week long exercise asks you to build a model house and a special table to shake it on, and see how different soil types can amplify shaking.
Incorporated Research Institutions for Seismology
Iris: How Are Earthquakes Located?
This illustrated fact sheet shows how S and P waves each travel at varying speeds and therefore arrive at seismic stations at different times.
TeachEngineering
Teach Engineering: Earthquakes Living Lab: P Waves, S Waves and More
Students learn what causes earthquakes, how we measure and locate them, and their effects and consequences.
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.
Other
University of Wisconsin Green Bay: Faults and Earthquakes
This site is primarily set up as an outline and is loaded with graphs, maps, and images. It covers a variety of earthquake-related topics, such as what causes earthquakes, fault lines and structures, seismology, a historical look at...
University at Buffalo
University at Buffalo: Mceer: Earthquake Engineering to Extreme Events
Information from the Multidisciplinary Center for Earthquake Engineering Research guided toward enhancing the ability of communities to survive and rebuild after an earthquake. Includes current news and conferences, and information about...
Michigan Technological University
Michigan Tech University: Where Do Earthquakes Happen?
An informative site that explains how and where earthquakes occur and the different types of faults. Contains maps and charts of fault lines, plate edges, and the continental plates. There are other links within the site of related...
University of California
Earthguide: Mystery Detectives: Mystery Epicenter: Earthquake
Students analyze seismograms to locate mystery earthquake epicenters as they produce a news story about a major local earthquake to complete their mission.