Jon Major
Jon Major
events kinds
These are the kinds of events you can expect,
eruption lasted main nine pulse short
The main pulse of this eruption lasted 10 minutes. In 1980, it lasted nine hours. Short duration, not a lot of ash -- not a big explosion.
exactly
We just can't say exactly when they're going to happen. By and large, there wasn't that much ash; it wasn't a heavily ash-laden plume.