- What do we need this for ? - Might just come in handy.

[ Gasps ]

- [ Graham ] Mom, what is that ? Mom ? - What is that ?

That is a pyroclastic cloud.

- Mommy. - It's okay, baby.

[ Graham ] Mom, it's coming !

[ Glass Shattering ]

- [ Graham ] Mom ! - [ Harry ] Oh, my God !

Don't look back, kids ! Don't look back !

- Mom, it's right behind us ! - [ Harry ] Oh, sweet Jesus !

[ Glass Shattering ]

- [ Both Shouting ] - Get down, kids ! Get down !

[ All Screaming ]

- [ Grunts ] - [ Gasps ]

Oh, my God.