The first strike took place in Beit Hanoun, on the northeast edge of the Strip, while the second hit Jabalia, also in the north, Anadolu Agency reported on Monday.
The Gaza Health Ministry has not made a statement about possible casualties.
The Israeli army claimed that the two sites were surveillance towers belonging to Hamas, which governs the besieged enclave.
On Sunday, nineteen Palestinians were wounded by live ammunition during clashes in the northern Gaza Strip, the health ministry said.
Great March of Return protesters could be seen hurling objects towards Israeli military vehicles on the other side of the border fence amid tear gas, as several injured Palestinian protesters were carried away on stretchers by paramedics.
The Great March of Return, launched in March last year, form a series of protests along the Israeli-Palestinian border to demand the right for Palestinians to return to their families' pre-1948 homes.