| 21. | Iran is situated on several fault lines, and earthquakes are common.
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| 22. | One of the major fault lines is the San Andreas Fault.
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| 23. | Earthquakes are frequent in Turkey, which lies atop active fault lines.
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| 24. | But deep ideological fault lines within the party also deter action.
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| 25. | Most of Turkey sits atop fault lines and earthquakes are frequent.
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| 26. | These areas are often located along fault lines and on islands.
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| 27. | One issue was the seismic activity due to two fault lines.
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| 28. | The region is laced with a series of earthquake fault lines.
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| 29. | The fault line has never had a history of being dangerous.
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| 30. | But whether observed or not, the fault lines are opening fast.
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