Focus of an Earthquake
http://highered.mcgraw-hill.com/olcweb/cgi/pluginpop.cgi?it=swf::640::480::/sites/dl/free/0072402466/30425/16_04.swf::Fig.%20%2016.4%20-%20Focus%20of%20an%20Earthquake

McGraw-Hill

This simple Flash animation by McGraw-Hill shows the relationship between earthquake focus and earthquake epicenter which is found directly above the focus. Also displayed in the animation are the fault plane, fault scarp, and fault trace. The animation is part of a collection of animations and movies related to Physical Geology published by McGraw-Hill. http://highered.mcgraw-hill.com/sites/0072402466/student_view0/chapter16/anim...

This resource is referenced here:

• Cutting Edge:Topics:Hazards:Visualization Collections: Earthquakes

Subject: Environmental Science:Natural Hazards:Earthquakes, Geoscience
Resource Type: Audio/Visual:Animations/Video
Special Interest: Hazards
Theme: Teach the Earth:Teaching Topics:Earthquakes, Teach the Earth:Incorporating Societal Issues:Hazards, Teach the Earth:Course Topics:Environmental ScienceKeywords: earthquakes, visualizations