REFERENCES
Images:
Image of seismograph at http://tqjunior.advanced.org/4327/index.htm from
Badger’s Animated Gif Gallery,
<http://www.vr-mail.com/anigifpd/anigifpd.html> P. Badger, 1996-97,
royalty free.
Image of ThinkQuest Link Button at http://tqjunior.advanced.org/4327/index.htm from ThinkQuest, <http://www.advanced.org/thinkquest>, 1997.
Nova Development: WEB Explosion 20,000 Images, CDRom software, 1997.
Nova Development: WEB Animation Explosion, CDRom software, 1997.
Electronic Sources:
Jr. Finkl, Charles W. "Earthquakes", Compton's Interactive Encyclopedia,
Compton's New Media, Inc., 1994-95.
NA, "Volcano", Microsoft Encarta 97 Encyclopedia, 1997 edition, Microsoft Corporation,1993-1996.
NA, "Update on Current Volcano Activity" Volcano World, 1995, <http://volcano.und.nodak.edu/vwdocs/current_volcs/current.html >( March 1998)
NA, "AGSO Seismological Center Reports", Commonwealth of Australia, 1998, <http://www.agso.gov.au/media> (February-March 1998)
Dolan, Michael, Michigan Technological University, "Earth’s Active Volcanoes", 1994, <http://www.geo.mtu.edu/volcanoes/world.html> (February 1998)
Fraser, Kathie and Watson, John. "Information on Earthquakes", 1997, <http://geology.er.usgs.gov/eastern/earthquakes/index.html> (January - March 1998)
Fraser, Kathie and Watson, John. "Major Tectonic Plates of the World", 1997, <http://geology.er.usgs.gov/eastern/plates.html> (January 1998)
Fraser, Kathie and Watson, John. "Earthquakes and Volcanoes", 1998, <http://pubs.usgs.gov/gip/earthq1/volcano.html> (January - March 1998)
Shedlock, Kay M. and Pakiser, Louis C. "Earthquakes", 1997, <http://pubs.usgs.gov/gip/earthq1/index.html> (January - March 1998)
Simpson, W. Brian. "Plate Tectonics", 1997. <http://www.ucmp.berkeley.edu/geology/tectonics.html> (February 1998)
"Update of Current Volcanic Activity", January 1995-98 <http://volcano.und.nodak.edu/vwdocs/current_volcs/current.html> (January-March 1998)
"Volcanoes of the World", Hypertext volcano pages, January 15, 1995-1998, <http://volcano.und.nodak.edu/volc_of_world.html> (January-March 1998)
Walker, John, "Volcanoes.Com", Hypertext to volcanoes
of the world, 1998,
<http://www.volcanoes.com/> (February 1998)
Zirbes, Madeline. "National Earthquake Information Center Home Page", World Data Center A for Seismology, January 29, 1998 <http://wwwneic.cr.usgs.gov> or <http://earthquake.usgs.gov> (Jan. 1998)
Zirbes, Madeline. "Current Earthquakes Maps", Hypertext links to continents, January 29, 1998 <http://wwwneic.cr.usgs.gov/current_maps.shtml> (January 1998)
Zirbes, Madeline. "Geologic Hazards", Update Bulletin, March 19, 1998 <http://wwwneic.cr.usgs.gov/neis/bulletin/bulletin.html> (March 1998)
Printed Materials:
Editors of Time-Life Books. "Planet Earth, Volcano", Time Life
Books,1982, pp.86 & 87.
Page, Robert A. " Earthquakes", The World Book Encyclopedia. World Book Inc. U.S.A.: World Book, Inc: 1990.
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