1. in the predictions of the 1980 mount st helens eruption, what did volcanologists get right, and what did they get wrong? 2. who first noticed the renewed activity of the philippine volcano? 3. what are the three possible explanations for earthquakes beneath a volcano? 4. on the flight to the philippines, usgs volcanologists passed over katmai volcano, alaska, which erupted in 1912. why was this relevant to mt pinatubo? 5. what did ca