•http://www.eeri.org/lfe/indonesia.html
•http://earthquake.usgs.gov/
•http://www.reliefweb.int/
•http://aeic.bmg.go.id/
•http://volcano.und.nodak.edu/vwdocs/wovo/southeast_asia/indonesia.html
•http://countrystudies.us/indonesia/28.htm
•http://www.unicef.org/indonesia/
•http://www.usaid.gov/locations/asia_near_east/java_quake/
•http://www.who.int/countries/idn/en/
•http://ochaonline.un.org/
•http://www.un.org/apps/news/
•http://www.unisdr.org/disaster-statistics/top25.htm
•http://www.searo.who.int/LinkFiles/Indonesia_indonesia1.pdf
•http://www.seismology.harvard.edu/
•http://www.iris.edu/quakes/quakes.htm
•http://en.wikipedia.org/wiki/Indonesia
•Statistics on People’s Welfare
2003 by Central Board of Statistics, Republic of Indonesia
•Daerah Istimewa Yogyakarta
(DIY) in Figures 2004. Central Board of Statistics, Province of
DIY, Yogyakarta, August 2005