Huascar leads the ceremony of the adoration of the Sun, which is interrupted by a sudden earthquake. Huascar declares this means the gods want Phani to choose him as her husband. Carlos enters and tells Phani the earthquake was a trick, artificially created by Huascar.
In the ceremony dedicated to the Sun, initiated by Huascar, an earthquake interrupts it. Huascar assumes this signifies divine favor for him to wed Phani. Later, Carlos clarifies that the earthquake was a premeditated deception orchestrated by Huascar.