4 Quotes by Jon Major

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.

These are the kinds of events you can expect,

It's looking pretty impressive. There's quite a pile of rock and rubble.

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.