1.   Extinct volcanoes are those that have not erupted in historic times.

2.   The volcano was an awe-inspiring sight.

3.   Volcanologists now recognize these oscillations as a red flag that a volcano is entering a dangerous phase.

4.   The volcano is still active, as evidenced by the recent eruption.

5.   These volcanoes are large landforms which load the underlying crust and are partly isostatically supported by deep roots.

6.   Already in the pipeline is a volcano movie.

7.   Although most Caribbean volcanoes have been quiet, they can be deadly.

8.   Dan Cortese, playing a geologist, barely, warns a California ski resort that an inactive volcano is about to blow.

9.   In the colliding boundaries, volcanos are also common, as molten crust from below bubbles to the surface.

10.   On Maui, volcanoes are the worry.