1. Earthquake
1.1. Causes
1.1.1. Tectonic plates movement
1.1.2. Volcano eruptions
1.1.3. Nuclear implotions
1.2. Concequences
1.2.1. Destruction of structures
1.2.2. Panic
1.2.3. Deaths
2. Wildfire
2.1. Causes
2.1.1. Lightnings
2.1.2. Accidents
2.1.3. Pollution
2.2. Concequences
2.2.1. Skin burns
2.2.2. Pollution
2.2.3. Habitat destruction
3. Flood
3.1. Causes
3.1.1. Dam destruction
3.1.2. Wind storm
3.1.3. Rain/pollution
3.2. Concequences
3.2.1. Hunger
3.2.2. Drowned people
3.2.3. Plages
4. Tornado
4.1. Causes
4.1.1. Huracan
4.1.2. Plains
4.1.3. Wind currents crashes
4.2. Concequences
4.2.1. Destruction
4.2.2. Crops damage
4.2.3. Spider rain
5. Volcano eruption
5.1. Causes
5.1.1. Presure increase
5.1.2. Temperature increase
5.1.3. Earthquake
5.2. Concequences
5.2.1. Wildfire
5.2.2. Deforestation
5.2.3. Respiratory diseases
6. Drought
6.1. Causes
6.1.1. Wildfire
6.1.2. Global warming
6.1.3. Increase of temperature
6.2. Concequences
6.2.1. Thirst
6.2.2. Hunger
6.2.3. Plagues
7. Avalanche
7.1. Causes
7.1.1. Earthquake
7.1.2. Noise
7.1.3. Snow storms
7.2. Concequences
7.2.1. Deaths
7.2.2. Lost people
7.2.3. Structures damaged
8. Sand storm
8.1. Causes
8.1.1. Wind
8.1.2. Tornados
8.1.3. Drought
8.2. Concequences
8.2.1. Thirst
8.2.2. Respiratory diseases
8.2.3. Skin diseases
9. Tsunami
9.1. Causes
9.1.1. Maritime bombs
9.1.2. Iceberg melting
9.1.3. Maritme volcanos
9.2. Concequences
9.2.1. Rain
9.2.2. Shipwrecks
9.2.3. Money loosing
10. Snowstorm
10.1. Causes
10.1.1. Wind
10.1.2. Condensation
10.1.3. Huracan
10.2. Concequences
10.2.1. Extreme cold
10.2.2. Lost people
10.2.3. Death