2003 Altai earthquake
 | |
| UTC time | ?? |
|---|---|
| Magnitude | 7.3 Mw |
| Depth | 18 km |
| Epicenter | 49°57′14″N 87°49′55″E / 49.954°N 87.832°E |
| Max. intensity | X |
| Casualties | 3 |
The 2003 Altai earthquake, or 2003 Chuya earthquake, occurred on September 27, 2003, at 18:33 local time (11:33 UTC). The epicenter was in Altai Republic, Russia and was close to the borders of Mongolia, China, and Kazakhstan. The magnitude was put at Mw 7.3 and the depth 18 km. It was felt in a wide range of southern Siberia, and the intensity was MM V in Novosibirsk. 300 houses were destroyed. It was the strongest earthquake in this region since an estimated 7.7 earthquake on December 20, 1761.[1] This earthquake occurred in a segmented fault zone which had not been previously recognized. This earthquake had both right-lateral strike-slip and reverse movements.[2]