This is the 609th most frequent Turkish word.
depremde
"In the earthquake."
In this sentence, 'depremde' indicates a specific time (during the earthquake) when the action happened.
Depremde birçok insan evsiz kaldı.
During the earthquake, many people became homeless.
In this context, 'depremde' is used to refer to the time (during the earthquake) to give advice on behavior.
Depremde sakin kalmak çok önemlidir.
It is very important to stay calm during the earthquake.
Here, 'depremde' specifies the event (the earthquake) during which the damage occurred.