Volcano links:

• USGS Volcano Hazards Program - http://volcanoes.usgs.gov/

• VolcanoWorld - http://volcano.oregonstate.edu/

• Global Volcanism Program - http://www.volcano.si.edu

• Kamchatka Volcanoes - http://www.kscnet.ru/ivs/volcanoes/holocene/main/main.htm

• USGS Ash-fall Preparedness - http://volcanoes.usgs.gov/ash/

• Consortium of US Volcano Observatories - http://www.cusvo.org