The most common and most likely answer to this crossword clue is the 10 letter word EARTHQUAKE
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More clues leading to the result EARTHQUAKE
- . Question article’s peripheral knowledge on world seismic event
- Disaster as dons take her dancing
- Underground movement at fault, delivering shock?
- Shock of hearing hard question stops recording
- Unpredictable mover and shaker
- Underground movement capable of bringing down Parliament and other institutions
- See 3d
- Heart breaking, friend runs off — disaster?
- Massive smash coming up with ‘Shaking All Over’?
- Natural calamity? Have heart!
Buddy explains!

The straight part
We know that "Natural calamity" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case natural calamity = earthquake.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does EARTHQUAKE mean?
EARTHQUAKE noun- A shaking of the ground, caused by volcanic activity or movement around geologic faults.
- (planetary geology) Such a quake specifically occurring on the planet Earth, as opposed to other celestial bodies.