The title of the legal research is The PRC's action to turn the artificial island into
a military base in the South China Sea Reviewed by UNCLOS 1982. PRC's action
by making claims against the South China Sea based on the nine dash line on the
map they created, inflict tensions between the PRC and the countries directly
bordering the South China Sea, namely Philippines, Vietnam, Brunei and Malaysia.
The purpose of this research is to explain the juridical aspects regarding the use of
artificial islands in accordance with the International Law of the Sea and the impact
on the sovereignty of the Republic of Indonesia for the PRC's actions in using
artificial islands as military bases. The research was conducted of normative legal
research, research that based on positive legal norms in the form of legislation. The
result of the research is PRC's action of making artificial islands as military bases
in the South China Sea has violated international law, especially UNCLOS 1982
because in practice the construction of artificial islands aimed at expanding the
territory of the PRC. The impact of the PRC's actions on Indonesian sovereignty is
the breach of Indonesia's maritime borders, the security of Indonesia's territory in
the north is vulnerable, and the surveillance of Indonesia's marine areas using
advanced technology in the form of seagliders or marine drones.