Witness location : Elliston (USA) (37 km SE from epicenter)
Time : T0+ 366 min
Witness location : Helena (USA) (51 km E from epicenter)
Time : T0+ 53 min
Witness location : Helena (USA) (57 km SE from epicenter)
Time : T0+ 1256 min
Witness location : Philipsburg (USA) (85 km SW from epicenter)
Time : T0+ 55 min
Witness location : Missoula (USA) (101 km W from epicenter)
Time : T0+ 709 min
Witness location : Hamilton (USA) (133 km SW from epicenter)
Time : T0+ 51 min