No Warning, Advisory or Watch is in effect for Puerto Rico and the Virgin Islands.


Earthquake Information


This information is Issued for Puerto Rico and the Virgin Islands.For more information visit your corresponding Seismological Institution or theTsunami Warning Centers
Event Details
Estimated Maximum Intensity: I
Date: September 04, 2023 04:43:20 UTC
September 04, 2023 00:43:20 Hora Local
Region: Sombrero Seismic Zone
Distances: 52.34 Km North-Northwest of Anegada,BVI
76.66 Km North-Northwest of Virgin Gorda,BVI
186.59 Km East-Northeast of San Juan,PR
Magnitude: 3.68 Md
Location: Latitude: 19.1631 Longitude: -64.5511
Depth: 37 Km
Tsunami Warning Level: No Warning, Advisory or Watch is in effect for Puerto Rico and the Virgin Islands
Issued Date & Time 2023-09-04 01:15:45
ID: 20230904044319

Epicentral Map

Technical Information

YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH   RMS   ERH   ERZ  XMAG  FMAG  PMAG  INT                            
2023-09-04  0443 20.71  19  9.79   64 33.07  37.85  0.52  4.60 30.94        3.68  3.68D                                
                                                                                         SOURCE                        
NSTA NPHS  DMIN MODEL GAP ITR NFM NWR NWS NVR REMRKS-AVH  N.XMG-XMMAD-T   N.FMG-FMMAD-T  L F X                         
  28   28 156.8  PR1  282  12  14  26  12  26     Q- PPK   0.00  0.00      5.00  0.08 D                                
                                                                                                                       
XMAG2-N.XMG2-XMMAD-T-S  FMAG2-N.FMG2-FMMAD-T-S  PREF.MAG-N.PMAG-PRMAD-T                                                
                         3.68   5.00  0.08 Z        3.68   5.00  0.08 D                                                

REGION= Sombrero Seismic Zone                                                                                          
                                                                                                                       
STA NET COM CR DIST AZM  AN P/S WT   SEC (TOBS -TCAL -DLY  =RES)  WT   SR  INFO  CAL DUR-W-FMAG-T -AMP-U-PER-W-XMAG-T  
FAPR PR HHZ  A156.8 229  97 EP- 1  42.02 21.31 22.07 0.00 -0.76* 1.00     0.144                                        
FAPR PR HH1  A156.8 229  97 ES  1  59.12 38.41 39.28 0.00 -0.87* 1.00S    0.363                                        
CDVI PR HHZ  A157.8 189  97 EP+ 1  42.80 22.09 22.20 0.00 -0.11  1.00     0.269 0.55  75   3.49 Z                      
CDVI PR HH2  A157.8 189  97 ES  1  60.84 40.13 39.52 0.00  0.61* 1.00S    0.588                                        
MTP  PR HHZ  A158.4 223  97 EP+ 1  42.49 21.78 22.27 0.00 -0.49  1.00     0.101 0.55  93   3.69 Z                      
MTP  PR HH1  A158.4 223  97 ES  1  60.63 39.92 39.64 0.00  0.28  1.00S    0.229                                        
HUMP PR HHZ  A177.5 231  96 EP- 1  45.11 24.40 24.68 0.00 -0.28  1.00     0.077                                        
SJG  IU BHZ  A205.0 236  95 EP+ 1  48.41 27.70 28.13 0.00 -0.43  1.00     0.063 0.73 100   3.68 Z                      
SJG  IU BH2  A205.0 236  95 ES  1  69.99 49.28 50.07 0.00 -0.79* 1.00S    0.096                                        
IGPR PR HHZ  A211.1 232  95 EP+ 1  50.10 29.39 28.90 0.00  0.49  1.00     0.070                                        
IGPR PR HH2  A211.1 232  95 ES  1  72.52 51.81 51.44 0.00  0.37  1.00S    0.129                                        
ECPR PR HHZ  A212.7 245  95 EP+ 1  49.19 28.48 29.10 0.00 -0.62* 1.00     0.109 0.55 103   3.84 Z                      
ECPR PR HH2  A212.7 245  95 ES  1  71.47 50.76 51.80 0.00 -1.04* 1.00S    0.200                                        
CELP PR HHZ  A245.6 241  94 EP+ 1  53.71 33.00 33.26 0.00 -0.26  1.00     0.072 0.55  76   3.60 Z                      
CELP PR HH2  A245.6 241  94 ES  1  80.08 59.37 59.20 0.00  0.17  1.00S    0.107                                        
OBIP PR BHZ  A249.9 241  94 EP+ 1  54.54 33.83 33.79 0.00  0.04  1.00     0.075                                        
OBIP PR BHN  A249.9 241  94 ES  1  81.64 60.93 60.15 0.00  0.78* 1.00S    0.115                                        
UUPR PR HHZ  A250.0 247  94 EP- 1  54.67 33.96 33.81 0.00  0.15  1.00     0.086                                        
UUPR PR HH1  A250.0 247  94 ES  1  81.02 60.31 60.18 0.00  0.13  1.00S    0.117                                        
GBPR PR HHZ  A278.8 243  94 EP+ 1  58.61 37.90 37.44 0.00  0.46  1.00     0.090                                        
GBPR PR HH2  A278.8 243  94 ES  1  87.89 67.18 66.64 0.00  0.54* 1.00S    0.156                                        
MLPR PR HHZ  A294.5 244  93 EP- 1  60.31 39.60 39.43 0.00  0.17  1.00     0.099                                        
MLPR PR HH2  A294.5 244  93 ES  1  91.21 70.50 70.19 0.00  0.31  1.00S    0.179                                        
CRPR PR HHZ  A298.9 246  93 EP+ 1  60.80 40.09 39.99 0.00  0.10  1.00     0.095                                        
CRPR PR HH2  A298.9 246  93 ES  1  92.06 71.35 71.18 0.00  0.17  1.00S    0.153                                        
HMDR DR BHZ  A510.9 267  92 EP- 1  88.36 67.65 66.80 0.00  0.85* 1.00     0.207                                        
   2 UNWEIGHTED STATIONS NOT PRINTED.