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1992 Cairo earthquake

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Magnitude  5.8 MB
Areas affected  Egypt, Cairo
Depth  22 km (14 mi)
Date  12 October 1992
1992 Cairo earthquake FileUSGS Shakemap 1992 Cairo earthquakejpg Wikimedia Commons
Casualties  545 dead, 6,512 injured
Similar  1992 Nicaragua earthquake, 1992 Flores earthquake, 1992 Roermond earthquake, 1992 Landers earthquake, 2003 Boumerd├Ęs earthquake

The 1992 Cairo earthquake occurred at 15:09 local time (13:09 UTC) on 12 October, with an epicenter near Dahshur, 35 km (22 mi) south of Cairo. The earthquake had a magnitude of 5.8, but was unusually destructive for its size, causing 545 deaths, injuring 6,512 and making 50,000 people homeless. It was the most damaging seismic event to affect Cairo since 1847.

Contents

1992 Cairo earthquake Layered Library in Cairo Hans Larsson Work

Geology

1992 Cairo earthquake Earthquake ground motion simulation during 1992 cairo earthquake

Cairo is sited within a diffuse zone of faulting that transfers extension from the Gulf of Suez Rift to the Manzala rift beneath the Nile delta.

Damage

1992 Cairo earthquake The Week in Pictures May 915 2011 Framework Photos and Video

The areas of greatest damage were in Old Cairo, Bulaq and southwards along the Nile as far as Gerza, on the west bank. 350 buildings were completely destroyed and 9,000 other severely damaged. 216 mosques and 350 schools were badly damaged and about 50,000 people made homeless. Most of the severe damage was confined to older masonry structures and particularly those built of adobe. Liquefaction was reported from areas near the epicenter.

1992 Cairo earthquake englishahramorgegMediaNews20131013201363

The high number of deaths and injuries (545 and 6,512 respectively) was partly due to the amount of panic caused by the earthquake in Cairo itself. Damage was reported to have affected 212 out of a total of 560 historic monuments in the Cairo area. A large block fell from the Great Pyramid of Giza.

Earthquake characteristics

1992 Cairo earthquake Aswaat Arabiyya

The earthquake was felt throughout most of northern Egypt, in Alexandria, Port Said and as far south as Asyut, and in southern Israel. 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. The aftershocks extended about 11 km (6.8 mi) to the southeast of the main shock epicenter, indicating unidirectional rupture propagation. The estimated fault rupture length was also 11 km (6.8 mi). The earthquake consisted of two sub-events, the second located about 27 km (17 mi) southeast of the first.

References

1992 Cairo earthquake Wikipedia


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