Wezuwiusz Volcano's eruption in 79 in south Italy destroyed two towns - Pompei and Herculanum. Nearly 10% of 20000 inhabitants died.
Volcanic eruptions are danger, because they can destroy villages and towns. People, animals and plants can be damaged.
Eruptions can be very powerful. In 1774 eruption of Cotopaxi Volcano in Ecuador was audible in Honda in Columbia, 800km from Cotopaxi.
Volcanic powder can cover a big place and it can stop life in this terrain for a long time.
Famous volcanic catastrophe is catastrophe Krakatau Island. In 1883 Krakatau Volcano erupted and burst its cone. Blast was audible in Australia, 4000km from Krakatau. The island was destroyed. Eruption awaked big wave, Tsunami that killed 36000 people in Java and Sumatra.
In 1980 Mount St. Helens in The State of Washington destroyed big area of forest. (oxygen, CO2). 57 people was killed.
Na Ziemi istnieje ok. 1300 czynnych wulkanów
Fertile - żyzny
Earthquakes.
Ground is quaking and rending. Many people can be damaged. Many buildings, cars, etc. can be damaged. We cant prevent it, but we can minimize casualties. Big earthquake in China in 1976 killed 250000 people.