1983 Biga earthquake
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  | |
| UTC time | 1983-07-05 12:01:30 |
|---|---|
| ISC event | 571502 |
| USGS-ANSS | ComCat |
| Local date | 5 July 1983 |
| Local time | 15:01:30 EEST |
| Magnitude | 6.1 Ms |
| Depth | 10 km |
| Epicenter | 40°19′26″N 27°13′19″E / 40.324°N 27.222°E[1] |
| Type | Strike-slip[2] |
| Areas affected | Turkey Biga |
| Max. intensity | MMI IX (Violent) |
| Landslides | Yes |
| Casualties | 5 dead, 30 injured |
The 1983 Biga earthquake hit northwestern Turkey on 5 July 1983. It measured 6.1 on the surface-wave magnitude scale and was felt as far away as eastern Greece. The United States Geological Survey listed the earthquake among the "Significant Earthquakes of the World" for 1983.[3]
The Biga Peninsula is an area marked by active faults including strike-slip movement and en echelon divergent basins.
The earthquake was preceded by a foreshock nearly a year prior, and was followed by aftershock clusters.
Damage
Five people died[3] and 30 were injured. Several houses collapsed, an additional 85 damaged, water mains broke and windows shattered.[4][5] Among the dead was a farmer who was crushed by a collapsing roof.[6] It also caused panic as far away as Istanbul and in eastern Greece. In Istanbul, there was some damage and people fled onto the streets.[4][3]