Centre Sismologique Euro-Mediterraneen
              European-Mediterranean Seismological Centre

                Rapid Determination of Source Parameters
          	operated at LDG (Paris), IGN (Madrid)

=====================================================================
====================  INFORMATION  MESSAGE  =========================
=====================================================================

	   EMSC HAS RECORDED THE FOLLOWING SEISMIC EVENT
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EARTHQUAKE on 23/07/2003 at 16:36 (UTC)
EGYPT                           

MAGNITUDE: ML 4.3 

Data provided by: GII  NRIA                                         

Latitude    =  28.77 N
Longitude   =  34.71 E
Origin Time =  16:36:48.7 (UTC)
Depth       =  15 Km
RMS         =   0.70 sec
Gap         = 208 degrees
95% confidence ellipse: - Semi major = 15.2 Km
                        - Semi minor = 4.1 Km
                        - Azimuth of major axis = 122 degrees

Number of data used = 23

Preliminary location computed on Thu Jul 24 08:30:43 2003 (UTC)
Done by Gilles Mazet-Roux

Comments :

Message number: 165

All magnitudes estimations :
MB4.4 (GII)   ML4.2 (NRIA)                              


Sta       Phase     Date     Time       Res     Dist Azm    Net
---------------------------------------------------------------
HDHB  m   P     2003/07/23 16:36:52.3  -0.5     0.09 241   NRIA
HBST  m   P     2003/07/23 16:36:57.5  -1.4     0.45   2   NRIA
EIL   m   Pg    2003/07/23 16:37:05.4  -0.8     0.93  13    GII
TR2   m   P     2003/07/23 16:37:07.1  -0.3     0.95 246   NRIA
TR1   m   P     2003/07/23 16:37:08.6   0.1     1.01 221   NRIA
MBH   m   Pg    2003/07/23 16:37:07.3  -1.0     1.04   9    GII
HRDS  m   P     2003/07/23 16:37:11.2  -0.6     1.24 267   NRIA
KMTI  m   Pg    2003/07/23 16:37:12.2  -1.0     1.33   0    GII
KMTI  m   Sg    2003/07/23 16:37:30.0  -1.1     1.33   0    GII
ZEIT  m   P     2003/07/23 16:37:13.2  -0.3     1.36 229   NRIA
PRNI  m   Pn    2003/07/23 16:37:15.8   0.0     1.60   9    GII
PRNI  m   S     2003/07/23 16:37:38.2   0.5     1.60   9    GII
ZNM   m   P     2003/07/23 16:37:19.0   0.5     1.71 291   NRIA
ZFRI  m   Pn    2003/07/23 16:37:19.1   0.2     1.83  12    GII
SUZ   m   P     2003/07/23 16:37:22.0  -0.1     1.96 303   NRIA
KZIT  m   Pn    2003/07/23 16:37:24.4   0.9     2.15 352    GII
SVTA  m   Pn    2003/07/23 16:37:24.4   0.8     2.16 358    GII
MASH  m   Pn    2003/07/23 16:37:25.2   0.6     2.23   1    GII
RTMM  m   Pn    2003/07/23 16:37:25.9   0.6     2.28 359    GII
MZDA  m   Pn    2003/07/23 16:37:29.6  -0.1     2.60  12    GII
AMZI  m   Pn    2003/07/23 16:37:32.4   1.5     2.78   3    GII
HMDT  m   Pn    2003/07/23 16:37:43.4   0.3     3.55  11    GII
MMLI  m   Pn    2003/07/23 16:37:45.3  -0.1     3.71   9    GII


P.S.: For additional information, please contact EMSC at:
             - Email: mazet@emsc-csem.org
             - Web  : http://www.emsc-csem.org
             - Fax  : 33 1 69 26 70 00