KABUL, Afghanistan — Taliban insurgents publicly executed two women, one of them in an apparent honor killing, in northern Afghanistan recently, according to Afghan officials, members of the victims’ families and a video posted online.

The killings, which were thought to be unrelated, took place in recent months in northern Jowzjan Province, in predominantly Uzbek areas where Taliban presence has traditionally been weak except among ethnic Pashtuns.

The killings came to light after a video was circulated of one of them and officials discovered evidence of the other.

In one of the cases, a pregnant 22-year-old woman named Rabia, a mother of two young children, was accused by her husband of adultery, tried and convicted by the Taliban on the spot, and then publicly shot three times. Members of her family said that her husband had concocted the adultery charge because of a land dispute between their families, and that he had wanted to inherit his wife’s interests in the land.