Features

• This Dynamic Planet: A Teaching Companion
  

  Access classroom exercises and background information on plate tectonics.

• Recent Changes in Activity

  Okmok Normal Green Nov 19, 2008 09:54 ADT

  Redoubt Advisory Yellow Nov 5, 2008 14:52 ADT

  Kasatochi Unassigned Unassigned Oct 30, 2008 15:41 ADT

  Cleveland Unassigned Unassigned Oct 9, 2008 12:59 ADT

• Volcanic Ash Information
  

  Volcanic Ash information including guidance for homes, businesses, and communities.

• View our Web Cams
  

  See real-time images of several U.S. volcanoes.

• Features Archive …