Gulf of Aden
The Gulf of Aden is located between the coast of Arabia and the Horn of Africa, at the opening of the Persian Gulf. The magnetic anomalies indicate that the sea floor in the Gulf is likely to have had three phases of spreading, so it has not been continuously formed.
A reversely magnetized sea floor was recognized in the region. The presence of reverse magnetization is suggested by observations of positive anomalies. The so-called "magnetic quiet zone" in the Gulf has a flat magnetic field in some areas and magnetic anomalies of up to several hundred gammas in other areas. One gamma (γ) corresponds to 1e-9 teslas (T).
Piracy is very common in the Gulf, which makes it a dangerous place for transport. People say there is a "Stargate" in the region. Probably the origin of the myth of the presence of a Stargate lies partly on the existence of magnetic anomalies and partly on the many acts of piracy that take place there, which brings a lot of warships to the region. There is also a lot of eyes on the area due to Al-Qaeda activity in Yemen and presence in the Gulf.
Some websites reported the supposed opening of an inter-dimensional portal in the Gulf of Aden in January, 2010. While looking for more information on this episode, all I could get from reliable sources was the report on an intense counter-piracy operation promoted by NATO (North Atlantic Treaty Organization).