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 15:05:44 UTC
September 04, 2023 11:05:44 Hora Local
Region: Sombrero Seismic Zone
Distances: 39.19 Km North-Northwest of Anegada,BVI
64.43 Km North of Virgin Gorda,BVI
188.41 Km East-Northeast of San Juan,PR
Magnitude: 3.81 Md
Location: Latitude: 19.0616 Longitude: -64.4855
Depth: 35 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 11:23:49
ID: 20230904150544

Epicentral Map

Technical Information

YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH   RMS   ERH   ERZ  XMAG  FMAG  PMAG  INT                            
2023-09-04  1505 44.73  19  3.70   64 29.13  35.33  0.29  4.98 17.66        3.81  3.81D                                
                                                                                         SOURCE                        
NSTA NPHS  DMIN MODEL GAP ITR NFM NWR NWS NVR REMRKS-AVH  N.XMG-XMMAD-T   N.FMG-FMMAD-T  L F X                         
  15   15  92.9  PR1  325  13   8  14   7  15     Q- PPM   0.00  0.00      5.00  0.07 D                                
                                                                                                                       
XMAG2-N.XMG2-XMMAD-T-S  FMAG2-N.FMG2-FMMAD-T-S  PREF.MAG-N.PMAG-PRMAD-T                                                
                         3.81   5.00  0.07 Z        3.81   5.00  0.07 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  
STVI PR HHZ  A 92.9 213 102 EP+ 1  57.80 13.07 14.05 0.00 -0.98* 0.00     0.000                                        
STVI PR HH1  A 92.9 213 102 ES  1  69.60 24.87 25.01 0.00 -0.14  1.00S    0.878                                        
FAPR PR HHZ  A155.0 234  96 EP+ 1  65.94 21.21 21.81 0.00 -0.60* 1.00     0.146 0.55  79   3.53 Z                      
FAPR PR HH1  A155.0 234  96 ES  1  83.45 38.72 38.82 0.00 -0.10  1.00S    0.175                                        
MTP  PR HHZ  A155.2 227  96 EP+ 1  66.99 22.26 21.83 0.00  0.43  1.00     0.255 0.55  99   3.74 Z                      
MTP  PR HH1  A155.2 227  96 ES  1  83.99 39.26 38.86 0.00  0.40  1.00S    0.375                                        
HUMP PR HHZ  A176.3 235  95 EP+ 1  68.85 24.12 24.48 0.00 -0.36  1.00     0.148 0.55 106   3.82 Z                      
HUMP PR HH2  A176.3 235  95 ES  1  88.26 43.53 43.57 0.00 -0.04  1.00S    0.162                                        
IGPR PR HHZ  A209.9 235  94 EP+ 1  73.77 29.04 28.72 0.00  0.32  1.00     0.215                                        
IGPR PR HH1  A209.9 235  94 ES  1  95.70 50.97 51.12 0.00 -0.15  1.00S    0.335                                        
ECPR PR HHZ  A214.5 248  94 EP+ 1  73.88 29.15 29.30 0.00 -0.15  1.00     0.287 0.55 100   3.81 Z                      
CELP PR HHZ  A246.6 245  94 EP+ 1  78.01 33.28 33.35 0.00 -0.07  1.00     0.163 0.55 113   3.96 Z                      
CELP PR HH2  A246.6 245  94 ES  1 104.15 59.42 59.36 0.00  0.06  1.00S    0.298                                        
CRPR PR HHZ  A300.8 248  93 EP+ 1  85.36 40.63 40.20 0.00  0.43  1.00     0.184                                        
CRPR PR HH1  A300.8 248  93 ES  1 116.26 71.53 71.56 0.00 -0.03  1.00S    0.372