According to the Latin Church, yes:
Can. 1116 §1. If a person competent to assist according to the norm of law (bishop/priest/deacon) cannot be present or approached without grave inconvenience, those who intend to enter into a true marriage can contract it validly and licitly before witnesses only:
1/ in danger of death;
2/ outside the danger of death provided that it is prudently foreseen that the situation will continue for a month.
