1. That volcanologist was busying with memoir after his retirement.

2. There is no consensus among volcanologists on how to define an "active" volcano.

3. Few lives were lost, since early warnings were given by volcanologists monitoring the seismic activities of Mount Pinatubo.

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

5. Three volcanologists were trying to get as near as possible to the volcano to satisfy their academic interest.