1. Bolu A zone with seismic risk

2. Geological risk in Bolu ● There are about 100000 inhabitants in Bolu. ● On August 17 th 1999 an earthquake in Turkey killed 15000 people. ● 9 cities were damaged, Bolu was one.

3. <== Here! North-Anatolian fault

4. The North- Anatolian fault is one of the highest energy-levelled seismic zone in the world. It's 1000 km long, it runs across the North of Turkey from East to West, only 20 km away from Istanbul. <--- Fault

5. Buildings Which were ruined There were consequent material damage :

6. Fault Visible damage on the ground

7. Distorted railway after the earthquake Visible damage on the ground