First of all, this video shows horrible lava ejection. Then the scientist, in special costume, is taking some hot lava for further observation. The temperature around lava is burning hot. Then we can see terrible burst of lava, and how it flows down the mountain.
Afterwards, we can see the city center with foggy atmosphere, where a lot of people are rushing to cross the road.
Next, the film depicts very high tidal waves, washing the shores.
Then, there is a frightening tsunami, causing the collapsing of buildings. The flow of the water is very fast. A lot of homeless people are evacuating from the flooded areas.
The next thing we can see is a destructive tornado with lightings. We can see how the strong wind is interfering people from walking in the streets.
In conclusion, the film shows the consequences of natural disasters. It is clear that if a natural disaster hits it can cause house destruction, loss of everything which could lead to extreme poverty in community.