27 June 1742
   lat, lon  53.500, 109.500
6 MDPs    Imax 7 MSK
Io
 7
Ms
 7.70  ± 0.30
 
27 June 1742, 05:30
   lat, lon  51.500, 104.000
Io
 10
depth
 20 km
Mw
 7.80
 
27 June 1742, 05h
   lat, lon  51.500, 104.000
depth
 20 km
Mw
 7.70
 
27 June 1742, 05:30
   lat, lon  53.300, 104.000
depth
 40 km
Ms
 7.70