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The following preliminary information is available for this event:

DATE:20 September 2017
ORIGIN TIME:18:02 48.4s UTC
LAT/LONG:51.828? North / 1.317? East
GRID REF:628.5kmE / 219.6kmN
DEPTH:0 km (fixed)
MAGNITUDE:1.8 ML
LOCALITY:Offshore Walton-on-the-Naze, Essex (approximately 3km offshore)

 2017  920 1802 48.44LF 51.828   1.317  0.0F BGS 10 0.4 1.8LBGS                1
GAP=215        0.60       2.0    12.4  0.0  0.1939E+02  0.0000E+00  0.0000E+00E
 ACTION:REE 17-09-21 07:29 OP:gdf  STATUS:               ID:20170920180152     I
 2017-09-20-1801-52S.OLD___143                                                 6
XNEAR  100.0 XFAR  300.0 SDEP   0.0                                           3
ESSEX COAST                                                                  23
OFFSHORE EXPLOSION                                                            3
Located 3km offshore Walton-on-the-Naze, Essex.                              C3
 STAT SP IPHASW D HRMM SECON CODA AMPLIT PERI AZIMU VELO SNR AR TRES W  DIS CAZ7
ELMS HZ IP     C 18 2 54.88                              43   -0.7110 37.2 323
ELMS HN ES       18 3  0.84                              43   -0.0410 37.2 323
ELMS HE  IAML    18 3  1.92        88.2 0.27                          37.2 323
ELMS HN  IAML    18 3  5.26        70.8 0.18                          37.2 323
ELSH HZ EP       18 3  1.78                              38   -0.1610 76.6 190
ELSH HE ES       18 3 12.01                              38    0.1510 76.6 190
ELSH HN  IAML    18 3 14.21        22.1 0.25                          76.6 190
ELSH HE  IAML    18 3 14.41        42.5 0.18                          76.6 190
WACR HZ EP       18 3  7.35                              38    0.21 9  110 335
WACR HE ES       18 3 21.30                              38    0.44 9  110 335
WACR HE  IAML    18 3 25.24        29.5 0.18                           110 335
WACR HN  IAML    18 3 27.47        35.3 0.17                           110 335
WOL  BZ EP       18 3 18.35                              30    0.38 6  185 253
CWF  HZ EP       18 3 20.83                              30    0.27 5  206 301
LBWR HZ EP       18 3 28.47                              30   -0.19 1  270 312
MONM HZ EP       18 3 30.24                              30   -0.09 1  284 272
HLM1 HZ EP       18 3 32.29                              30    0.25 0  297 287
MCH1 HZ EP       18 3 31.76                              30   -0.27 0  298 275
EDMD HZ EP       18 3 43.93                              30   -0.77 0  399 328
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