events
May 1, 1929
The 7.2 Mw Kopet Dag earthquake shakes the Iran–Turkmenistan border region with a maximum Mercalli intensity of IX (Violent), killing up to 3,800 and injuring 1,121.
1929 Kopet Dag earthquake
The 1929 Kopet Dag earthquake took place at 15:37 UTC on 1 May with a moment magnitude of 7.2 and a maximum Mercalli intensity of IX (Violent). It occurred in the Kopet Dag area of Iran and caused up to 3,800 casualties along the Iran-Turkmenistan border. More than 1,100 were injured.
Modified Mercalli intensity scale
The Modified Mercalli intensity scale measures the effects of an earthquake at a given location. This is in contrast with the seismic magnitude usually reported for an earthquake.