1.   A period when a killer volcano threatens to erupt and in the end does not is a non-event to subsequent generations.

2.   By August, it was clear that the volcano could threaten the whole island.

3.   It is being shown to mayors and other public officials in charge of getting people to evacuate when volcanoes threaten to explode.

4.   Scientists in Hawaii are exploiting the heat-sensing eyes of satellites to warn when dangerous volcanoes threaten to erupt.

5.   Abbott warned Tuesday that the volcano threatens its biggest eruption yet.

6.   Antigua also prepared for a possible influx of evacuees from Montserrat, where a volcano has been threatening to erupt.

7.   But Abbott warned Tuesday that the volcano threatens its biggest eruption yet.

8.   In Antigua, residents prepared not only for Luis but also for the possible influx of evacuees from Montserrat, where a volcano has been threatening to erupt.

9.   Rumbling volcano threatens island.

10.   The fear is that the situation might drag on for months, with the volcano always threatening but holding off a major eruption.