A list of links to other observatories websites with further volcano, earthquake & tsunami related information:

- Volcano Observatories -

• AVO - Alaska Volcano Observatory
• CSAV - Center for the Study of Active Volcanoes, University of Hawaii at Hilo
• CVO - Cascades Volcano Observatory
•  GNS - Geonet
• GVP - Global Volcanism Program (Smithsonian)
• HVO - Hawaiian Volcano Observatory
• IAVCEI HomePage
• PHIVOLCS - Philippine Institute of Volcanology and Seismology
• Stromboli On-Line
• TOMS Volcanic SO2 Home Page, Volcanic Gas Measurements using Satellites
• VHP - Volcanoes Hazards Program
•  VRC - Volcano Research Center
• Volcano World
• WOVO - World Organization of Volcano Observatories

- Earthquake - 

• Earthquake Hazards Information, USGS
• Geonet - Quakes
• Iris
• Pacific Northwest Seismograph network, (PNSN)

- Tsunami -

• National Climatic Data Center (NOAA)
• Pacific Tsunami Warning Center (PTWC)