4 links
Galapagos Islands,The Charles Darwin Foundation
darwinfoundation.org
Mainly biological research but during local eruptions it becomes the volcano observatory.
Hawaiian Volcano Observatory
hvo.wr.usgs.gov
U.S. Geological Survey's comprehensive site about Hawiian Volcanoes.
Montserrat Volcano Observatory
mvo.ms
Monitors erupting lava dome on the Island of Montserrat in the Caribbean.