Sirens were heard in the Ashkelon region just north of the strip just after 10 p.m., sending residents scurrying for shelter.
The Israel Defense Forces said one rocket was shot from Gaza at southern Israel. Sirens were heard in the Hof Ashkelon Regional Council and the city of Ashkelon, the army said.
The rocket landed in an open area and caused no injuries or damage, according to Army Radio.
Police said they were searching the area for a rocket impact site.
Sirens were also heard in the Lachish region, about 40 kilometers inland from Gaza, and officials were searching there for a rocket as well, Army Radio reported.
There was no immediate claim of responsibility.
Read more at Times of Israel.