1911 Sarez earthquake
The 1911 Sarez earthquake occurred at 18:41 UTC on 18 February (23:31 local time) in the central Pamir Mountains in the Rushon District of eastern Tajikistan (then part of the Russian Empire). It had an estimated magnitude of 7.4 on the surface-wave magnitude scale and a maximum felt intensity of about IX (Violent) on the Mercalli intensity scale.