Natural Hazards

, Volume 86, Issue 3, pp 1307–1332 | Cite as

A selected dataset of the Iranian strong motion records

Original Paper

Abstract

Iranian strong motion records as well as detailed conditions of their instrument sites and the characteristics of their causative seismic sources are compiled and processed. The dataset consists of 2286 three-component records from 461 Iranian earthquakes with at least two high-quality records having moment magnitude from 3.9 to 7.3. These records are about 20% of the Iranian database and are suitable for seismic hazard analysis and engineering applications. Perhaps for the first time in the literature, the distance to the surface projection of the fault is reported for a great number of records corresponding to earthquakes with M > 6.0. The raw accelerations are processed using the wavelet de-noising method. Having corrected and filtered these raw data, the pseudospectral accelerations are calculated for each of the three components of time series, separately. In addition to the ground motion parameters, a large and comprehensive list of metadata characterizing the recording conditions of each record is also developed. Moreover, careful revision of the characteristics of the earthquakes such as location, magnitude, style of faulting and fault rupture plane geometry, if available, is carried out using the best available information in a scientifically sound manner. Finally, we also focus on special ground motion records including records with peak ground acceleration (PGA) >300 cm/s2 and distances less than 30 km. These are “exceptional” records in the Iranian dataset and include less than 2% of the selected dataset.

Keywords

Iran Dataset Strong ground motion Seismic hazard 

Notes

Acknowledgements

The authors acknowledge the Building and Housing Research Center of Iran for providing them with the accelerograms and shear-wave velocities used in the current study. They also thank A. Ansari (International Institute of Earthquake Engineering and Seismology, Iran) and H. Vahidifard for kindly providing us with the necessary codes and useful guidance for wavelet correction of strong motion records. H. Zafarani and M.R. Soghrat were supported by the International Institute of Earthquake Engineering and Seismology (IIEES) funds. This work has been supported by the Iran National Science Foundation (INSF).

Supplementary material

11069_2017_2745_MOESM1_ESM.docx (369 kb)
Supplementary material 1 (DOCX 369 kb)

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Copyright information

© Springer Science+Business Media Dordrecht 2017

Authors and Affiliations

  1. 1.International Institute of Earthquake Engineering and Seismology (IIEES)TehranIran

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