Mt Kilauea has been continuously erupting since 1983. So I guess the answer to your question is "today".
It is impossible to predict when a volcano's next eruption will be. Kilauea is erupting now and has been doing so almost nonstop since 1983.
2009
Kilauea is currently erupting has has been almost continuously since 1983.
you know, 1999
the last time it erupted was this year some time
A volcano that has erupted within historic time is an Active Volcano.
Kilauea is currently erupting has has been almost continuously since 1983.
Kilauea is currently erupting has has been almost continuously since 1983.
The last time this volcano erupted was in 1918 and 1821.
you know, 1999
the last time it erupted was this year some time
In Hawaii
A volcano that has erupted within historic time is an Active Volcano.
Kilauea is currently erupting has has been almost continuously since 1983.
1234567890
it was 2012
1960
The last time a volcano erupted was in the 1900's in the USA.
The Newberry Volcano last erupted around 1,300 years ago, in the 8th century.