Fear that another tragedy could strike forced her to leave Istanbul because she couldn't afford a new apartment there, she said. However, seismologists said the February disaster has not changed the likelihood of an Istanbul quake, with the two areas on different faultlines. Any disaster in Istanbul would stagger Turkey's economy given the broader Marmara region accounts for some 41% of national GDP. Some 1.5 million homes are considered at risk in the city, Urban Planning Minister Murat Kurum said this week. According to official data, an average of more than three people live in each household, meaning up to 5 million live in these properties.

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