1.   Plumes rise and erupt on the surface.

2.   The volcano erupted on Thursday but there is no immediate threat to nearby towns.

3.   Then just be-fore the continent broke into two, Tristan erupted on to the surface, leaving a massive flood of lava.

4.   The organisers of the protest were quick to dissociate themselves from the violence that had erupted on the streets.

5.   As support for the legislation surged past a majority, cheers and applause erupted on the Democratic side of the chamber.

6.   As he spoke, a salvo of explosions erupted on a nearby ridge, sounding suspiciously like outgoing artillery.

7.   At both times, he says, volcanoes on the sea floor may have been erupting on a massive scale.

8.   At critical moments in the last year, when violence erupted on the streets, she refused pleas to intervene by using her calming influence on the crowds.

9.   At one point several wood posts supporting guardrails were burning, and small fires erupted on the grassy median.

10.   At one point, after reports of HIV-infected blood on the flight circulated, a brief panic erupted on the Coast Guard station dock.