Why am i having involuntary movements on the right side of the nose below right eye. just happen today for 3 hours now. like nerves moving on its own.

Cause is uncertain: Trembling near an eyelid, which happens in normal people, is called myokymia (an involuntary, spontaneous, quivering of a few muscle cell bundles within a muscle). Myokymia starts and stops spontaneously. In or near the eyelids, it can last a few minutes to a few days. One should see an eye doctor or an ENT doctor if such symptoms persist, keep recurring, or are combined with any other symptoms.

Myokymia: This annoying muscle twitch is called myokymia. It is harmless.