Natural Hazards

, Volume 10, Issue 1–2, pp 79–96 | Cite as

Seismic hazard assessment in Jordan and its vicinity

  • Eid Al-Tarazi
Article

Abstract

The earthquake hazard in Jordan and its vicinity is assessed on the basis of probabilistic methods. For this purpose, an updated earthquake catalog is compiled which covers the period between AD 1–1989. The earthquakes lie between latitudes 27.0°-35.5° N and longitudes 32.0°-39.0° E. Thirteen seismic zones are defined on a regional seismic and tectonic map presented for the area. Point-source and line-source models are used. The seismic hazard parameters, namely, theb-parameter (of the Gutenberg-Richter relation),m1 (the upper bound magnitude), and λ4 (the annual rate of occurrence of earthquakes with local magnitudeM L ≥ 4.0) are calculated for each zone. The results of the seismic hazard assessment are displayed as iso-acceleration contours expected to be exceeded during typical economic life times of structures, i.e. 50 and 100 years. For each model, two seismic hazard maps are derived. In order to determine the importance of the South-eastern Mediterranean zone and the north part of the Red Sea zone from a seismic hazard point of view for Jordan, one seismic hazard map which corresponds to 50 years' economic life for every model, excluding the seismicity of these zones, is derived.

Key words

Seismotectonic maps seismic zones seismic hazard parameters seismic hazard maps Jordan 

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Copyright information

© Kluwer Academic Publishers 1994

Authors and Affiliations

  • Eid Al-Tarazi
    • 1
  1. 1.Natural Resources AuthorityAmmanJordan

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