JOINT HYPOCENTER DETERMINATION OF THE GULF OF AQABA EARTHQUAKES | ||||
| Journal of Egyptian Geophysical Society | ||||
| Volume 3, Issue 1, 2005, Page 49-55 PDF (211.06 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/jegs.2005.375632 | ||||
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| Author | ||||
| Abu bakr Ahmed Shater | ||||
| National Research Institute of Astronomy and Geophysics | ||||
| Abstract | ||||
| Seven seismic stations at the north-western side of the Gulf of Aqaba belonging to the Jordan Seismic Network were used in the calculation of joint hypocenter determination method. Three stations HIT, AQB and MRS have negative signs in P-wave travel time corrections and their values are -0.003, -0.021, -0.001. It is possible to assume that the underground structure in this area has a particular characteristic of high velocity structure and other stations HSH, MDR, JDR and NAQ have positive signs and their values are 0.014, 0.001, 0.003, 0.005. It is possible to assume that the subsurface structure in this area has a particular characteristic of low velocity structure. The hypocenter locations determined by the joint hypocenter determination method are more precise than those determined by HYPO71PC program. The method simultaneously solves for earthquake location and station corrections. The station corrections reflect not only different crustal conditions in the vicinity of the stations, but also the difference between actual and model seismic velocities along each of the earthquake - station ray paths | ||||
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