The institute has reported no casualties or material damage so far.
On January 11, many important events occurred that changed the world map, the most prominent of which was the success of the first trial to treat diabetes with insulin.
An earthquake with a magnitude of 5.4 on the Richter scale has hit Cairo and other coastal cities on Saturday.
The National Research Institute of Astronomy and Geophysics reported earlier on Sunday an earthquake estimated at 5.5 magnitude in Giza and Cairo.
Dr. Jad Al-Qadi, head of the National Institute of Astronomical Research, revealed that the earthquake data were as follows:
A minor earthquake of a 4.09 magnitude was felt in the popular Red Sea resort of Hurghada on Saturday, but caused no reported damage or casualties, the National Research Institute of Astronomy and Geophysics reported.
The epicenter of the earthquake was at the depth of 3.72 km in southeastern Cairo, it added.
There were no immediate reports of damage or casualties.
A small earthquake was recorded on Friday in Maadi and Mokatam districts of Cairo with the tremor measuring 2.7 on the Richter scale.
A magnitude-7.1 earthquake hit Southern California on Friday evening -- just a day after a magnitude-6.4 earthquake that was the largest temblor in the region in two decades.
There were no immediate reports of casualties or of major damage. Earthquakes that are close to the surface generally cause more destruction.
The weekend earthquake which battered Haiti killed 17 people, authorities said on Tuesday, and damaged or destroyed nearly 2,500 houses.
Stepping gingerly through the pulverised remnants of her Indonesian village.
The confirmed death toll from an earthquake and tsunami on Indonesia's Sulawesi island has risen to 1,234, from 844, the national disaster mitigation agency said.
Indonesian President ordered more rescuers to be sent in to find victims of a devastating earthquake and tsunami as the official death toll rose above 1,200.
The toll from an earthquake and tsunami in Indonesia soared on Sunday to 832 confirmed dead.
At least 384 people were killed, many swept away by giant waves as they played on the beach.
Japanese Prime Minister Shinzo Abe visited the quake-hit northern region of Hokkaido Sunday, as officials confirmed two more deaths bringing the toll to 37.
The death toll from an earthquake that rocked Japan's northernmost main island of Hokkaido rose to 20.
Rescue workers with dogs searched for survivors on Friday in debris-strewn landslides caused by an earthquake in Japan's northern island of Hokkaido