Mount Erebus is the southernmost active volcano on Earth.
It is also the most intensely studied of the Antarctic volcanoes.
Together with mounts Terror and Bird, it forms Ross Island.
The volcano has a persistent convecting lava lake of anorthoclase
phonolite.
Strombolian activity occurs at the volcano on a daily basis.
More information about the volcano can be found at the Mt. Erebus Obervatory
site
The cover below commemorates the First Trans-Antarctic crossing
with stamps of Ross Dependency.
Ross Dependency stamps were first issued in 1955 and discontinued
in 1987 when the New Zealand
Post Office on the ice was closed. However, demand led to
the reintroduction of Ross Dependency stamps in
November 1994.
The enlargement below shows HMS Erebus with the volcano in
the background.
The same stamp image was issued in 1967 with decimal currency
The next stamps, issued in 1996 show climbers at the summit
crater (left) and an ice fumarole
The next stamps were issued by Gambia on April 25th, 1994
to celebrate the Sierra Club Centenial.
The left stamp photograph seems to be very close to the location
of the previous left stamp.
The following stamps were part of the same issue.
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