Fysikokatastrophobia

Fysikokatastrophobia is the fear of natural disasters. the phobia is common because natural disasters can kill life forms and can leave an economic damage

Causes
the most common cause of the phobia is What the natural disaster does and it's noise

Mild Sufferers
Mild Sufferers should take shelter during the disaster

Moderate Sufferers
Moderate Sufferers would try to take more shelter

Severe Sufferers
Severe sufferers will take shelter from the following disasters
 * Avalanches
 * Landslides
 * Earthquakes
 * Sinkholes
 * Volcano Eruptions
 * Floods
 * Tsunamis
 * Limnic Eruptions
 * Cyclonic Storms
 * Blizzards
 * Hailstorms
 * Ice storms
 * Cold Waves
 * Heat Waves
 * Droughts
 * Thunderstorms
 * Tornadoes
 * Wildfires
 * Impact events and airburst
 * Solar Flares (only on the sun)

Treatment
the phobia can be treated using exposure therapy