A tornado is both. A calamity is a disaster. A tornado is a disaster that occurs naturally, and would thus be consideted a natural calamity or natural disaster.
Calamity is an event causing a disaster. There can be natural and man made calamities. Natural calamities are droughts, floods, etc. A man made calamity is war.
earthquake
Hurricane Katrina was a natural calamity because it was so catastrophic.
gujrat and maharashtra
Yes.
Pretty much, except the word "disaster" implies a much more serious situation then the word "calamity".
geological and natural calamity
coal
write short note natural calamities
eloquence topic on effects / preventive measures of natural calamities
y name is riya