[8] It also made over 30,000 families homeless in tens of cities and villages across 16 governorates, in Greater Cairo, the Delta, and northern Upper Egypt.

It was later revealed that many additional stories were added to the building illegally and the ground floor/basement had been opened up to accommodate community amenities, including a laundry.

[10] The high number of deaths and injuries (561 and 12,392 respectively) was partly due to the amount of panic caused by the earthquake in Cairo itself.

[4] The calculated focal mechanism suggests that this event originated on a WNW-ESE or W-E trending normal fault with a small strike-slip component.

[12] The aftershocks extended about 11 km (6.8 mi) to the south-east of the main shock epicentre, indicating unidirectional rupture propagation.