Reference Page

Aber, S., Johnston, P., Morales, M. (2000). Introduction to Earth Science Lab. Edina, MN: Burgess International Group Inc. p. 117

Web Reference: Ladder 54, http://www.ladder54.com

Web Reference: Photos to Go, http://www.photostogo.com/store/search.asp?SearchStr=earthquakes

Web Reference:ABC NEWS, http://www.abcnews.go.com/sections/world/DailyNews/quake010115.html

Web Reference: USGS National Earthquake Information Center, http://wwwneic.cr.usgs.gov/neis/eqlists/eqlists.html

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