The 1909 Borujerd earthquake also known as Silakhor earthquake occurred in Silakhor plain (in the south of today's Borujerd County),

Persia Iran, officially the Islamic Republic of Iran, and also called Persia, is a country located in Western Asia. It is bordered by Iraq and Turkey to the west, by Azerbaijan and Armenia to the northwest, by the Caspian Sea and Turkmeni ...

(modern day

Iran Iran, officially the Islamic Republic of Iran, and also called Persia, is a country located in Western Asia. It is bordered by Iraq and Turkey to the west, by Azerbaijan and Armenia to the northwest, by the Caspian Sea and Turkmeni ...

) on January 23. Around 8,000 fatalities were caused directly from the magnitude 7.3

earthquake An earthquake (also known as a quake, tremor or temblor) is the shaking of the surface of the Earth resulting from a sudden release of energy in the Earth's lithosphere that creates seismic waves. Earthquakes can range in intensity, from ...

. An indefinite number of

aftershock In seismology, an aftershock is a smaller earthquake that follows a larger earthquake, in the same area of the main shock, caused as the displaced crust adjusts to the effects of the main shock. Large earthquakes can have hundreds to thousand ...

s continued for six months after the main shock. The section on this fault ruptured was the same as the main rupture zone of the

2006 Borujerd earthquake The 2006 Borujerd earthquake occurred in the early morning of 31 March in the South of Borujerd with destruction in Borujerd, Silakhor and Dorood areas of the Loristan Province in western Iran. The centre of the earthquake was in Darb-e Astan ...

Earthquake

Occurring on the local Dorood Fault, the tremor caused of visible

surface faulting In seismology, surface rupture (or ground rupture, or ground displacement) is the visible offset of the ground surface when an earthquake rupture along a fault affects the Earth's surface. Surface rupture is opposed by buried rupture, where th ...

Damage

Sixty villages within the region were either completely destroyed or damaged beyond repair. Casualties were extensive, occurring in 130 individual villages. However, damage was contained within a area. Eight thousand were killed in this sector along with several thousand animals. Damage was worst within the epicentral area (Silakhor Valley) and surrounding valleys populated by domestic tribes. Signs of ground failure and

landslide Landslides, also known as landslips, are several forms of mass wasting that may include a wide range of ground movements, such as rockfalls, deep-seated grade (slope), slope failures, mudflows, and debris flows. Landslides occur in a variety of ...

s was evident for another southeast of the epicenter.

References

External links

M 6.1 - western Iran
– United States Geological Survey
Darb e Astaneh (Silakhor) Earthquake Report: March 31, 2006; ML=6.1
– IIEES * {{DEFAULTSORT:Silakhor Earthquake, 1909 1909 Borujerd 1909 in Iran Borujerd History of Lorestan Province Borujerd County Borujerd January 1909 events 1909 disasters in Iran

Earthquake

Damage

See also

References

External links