# Recent developments of the Middle East catalog

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## Abstract

This article summarizes a recent study in the framework of the Global Earth model (GEM) and the Earthquake Model of the Middle East (EMME) project to establish the new catalog of seismicity for the Middle East, using all historical (pre-1900), early and modern instrumental events up to 2006. According to different seismicity, which depends on geophysical, geological, tectonic, and seismicity data, this region is subdivided to nine subregions, consisting of Alborz–Azerbaijan, Afghanistan–Pakistan, Saudi Arabia, Caucasus, Central Iran, Kopeh–Dagh, Makran, Zagros, and Turkey (Eastern Anatolia; after 30° E). After omitting the duplicate events, aftershocks, and foreshocks by using the Gruenthal method, and uniform all magnitude to *Mw* scale, 28,244 main events remain for the new catalog of Middle East from 1250 B.C. through 2006. The magnitude of completeness (*Mc*) was determined as 4.9 for five out of nine subregions, where the least values of *Mc* were found to be 4.2. The threshold of Mc is around 5.5, 5.0, 4.5, and 4.0, for the time after 1950, 1963, 1975, and 2000, respectively. The average of teleseismic depths in all regions is less than 15 km. Totally, majority of depth for Kopeh–Dagh and Central Iran, Zagros, and Alborz–Azerbaijan, approximately, is 15, 13, and 11 km and for Afghanistan–Pakistan, Caucasus, Makran, Turkey (after 30° E), and Saudi Arabia is about 9 km.

## Keywords

Seismicity Catalog Middle East Depth Historical Instrumental Magnitude## Notes

### Acknowledgement

This article was a result of the Global Earth Model (GEM); and the Earthquake Model of the Middle East (EMME) project and was performed in IIEES as a partner of EMME project, as of (Work package-1-WP1) based on an internal research project of IIEES (No;IIEES/EMME:2010) conducted by the first (corresponding) author of this project. The support of the IIEES president (Prof Tasnimi) and Dr A. Ansari, are strongly appreciated. These thanks go to all partners of the project in the region.

## Supplementary material

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