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 19, 2023 22:35:00 UTC
September 19, 2023 18:35:00 Hora Local
Region: 19° N Fault Zone
Distances: 88.78 Km North-Northeast of Loiza,PR
90.91 Km North-Northeast of Luquillo,PR
103.21 Km Northeast of San Juan,PR
Magnitude: 3.66 Md
Location: Latitude: 19.1325 Longitude: -65.485
Depth: 46 Km
Tsunami Warning Level: No Warning, Advisory or Watch is in effect for Puerto Rico and the Virgin Islands
Issued Date & Time 2023-09-19 19:00:48
ID: 20230919223459

Epicentral Map

Technical Information

YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH   RMS   ERH   ERZ  XMAG  FMAG  PMAG  INT                            
2023-09-19  2235  0.83  19  7.95   65 29.10  46.74  0.37  2.59  8.96        3.66  3.66D                                
                                                                                         SOURCE                        
NSTA NPHS  DMIN MODEL GAP ITR NFM NWR NWS NVR REMRKS-AVH  N.XMG-XMMAD-T   N.FMG-FMMAD-T  L F X                         
  35   35 102.8  PR1  249  14  18  32  16  35     Q  PPY   0.00  0.00     13.00  0.12 D                                
                                                                                                                       
XMAG2-N.XMG2-XMMAD-T-S  FMAG2-N.FMG2-FMMAD-T-S  PREF.MAG-N.PMAG-PRMAD-T                                                
                         3.66  13.00  0.12 Z        3.66  13.00  0.12 D                                                

REGION= 19 N Fault 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  A102.8 147 108 EP- 1  18.23 17.40 15.65 0.00  1.75* 0.00     0.000 0.55  94   3.66 Z                      
STVI PR HH1  A102.8 147 108 ES  1  28.73 27.90 27.86 0.00  0.04  1.09S    0.514                                        
FAPR PR HHZ  A103.0 191 108 EP- 1  16.58 15.75 15.68 0.00  0.07  1.09     0.087 0.55  76   3.46 Z                      
FAPR PR HH1  A103.0 191 108 ES  1  29.15 28.32 27.91 0.00  0.41  1.09S    0.197                                        
MTP  PR HHZ  A114.8 184 106 EP- 1  18.54 17.71 17.10 0.00  0.61* 1.09     0.113 0.55  99   3.72 Z                      
MTP  PR HH2  A114.8 184 106 ES  1  31.47 30.64 30.44 0.00  0.20  1.09S    0.186                                        
HUMP PR HHZ  A116.2 200 106 EP- 1  17.82 16.99 17.27 0.00 -0.28  1.09     0.067 0.55  98   3.71 Z                      
HUMP PR HH2  A116.2 200 106 ES  1  31.00 30.17 30.74 0.00 -0.57* 1.09S    0.136                                        
ECPR PR HHZ  A129.2 226 104 EP+ 2  19.06 18.23 18.85 0.00 -0.62* 0.44     0.010 0.55  82   3.56 Z                      
ECPR PR HH1  A129.2 226 104 ES  2  33.93 33.10 33.55 0.00 -0.45  0.44S    0.027                                        
EMPR PR HHZ  A131.9 237 104 EP- 1  20.11 19.28 19.19 0.00  0.09  1.09     0.128 0.55  75   3.48 Z                      
EMPR PR HH1  A131.9 237 104 ES  1  35.17 34.34 34.16 0.00  0.18  1.09S    0.358                                        
SJG  IU BHZ  A133.0 212 103 EP+ 1  19.97 19.14 19.33 0.00 -0.19  1.09     0.060                                        
SJG  IU BH2  A133.0 212 103 ES  1  34.56 33.73 34.41 0.00 -0.68* 1.09S    0.113                                        
IGPR PR HHZ  A144.9 208 102 EP+ 1  22.10 21.27 20.79 0.00  0.48  1.09     0.096 0.55  82   3.58 Z                      
IGPR PR HH2  A144.9 208 102 ES  1  37.92 37.09 37.01 0.00  0.08  1.09S    0.182                                        
UUPR PR HHZ  A162.7 234 101 EP+ 1  23.37 22.54 22.99 0.00 -0.45  1.09     0.070 0.55 103   3.81 Z                      
UUPR PR HH2  A162.7 234 101 ES  1  41.30 40.47 40.92 0.00 -0.45  1.09S    0.110                                        
CELP PR HHZ  A164.4 225 100 EP- 1  23.72 22.89 23.21 0.00 -0.32  1.09     0.071 0.55 109   3.86 Z                      
CELP PR HH2  A164.4 225 100 ES  1  42.06 41.23 41.31 0.00 -0.08  1.09S    0.108                                        
OBIP PR BHZ  A169.0 225 100 EP- 1  24.38 23.55 23.78 0.00 -0.23  1.09     0.076 0.87  92   3.51 Z                      
OBIP PR BHE  A169.0 225 100 ES  1  42.76 41.93 42.33 0.00 -0.40  1.09S    0.117                                        
CDVI PR HHZ  A170.7 153 100 EP- 3  28.46 27.63 23.99 0.00  3.64* 0.00     0.000                                        
CDVI PR HH2  A170.7 153 100 ES  3  47.60 46.77 42.70 0.00  4.07* 0.00S    0.000                                        
AGPR PR HHZ  A186.6 248  99 EP- 1  26.56 25.73 25.97 0.00 -0.24  1.09     0.127 0.55  83   3.64 Z                      
AGPR PR HH2  A186.6 248  99 ES  1  47.19 46.36 46.23 0.00  0.13  1.09S    0.230                                        
GBPR PR HHZ  A195.2 230  99 EP+ 1  28.00 27.17 27.04 0.00  0.13  1.09     0.092                                        
MLPR PR HHZ  A209.0 233  98 EP+ 1  29.43 28.60 28.77 0.00 -0.17  1.09     0.097 0.55  95   3.78 Z                      
MLPR PR HH2  A209.0 233  98 ES  1  52.67 51.84 51.21 0.00  0.63* 1.09S    0.134                                        
CRPR PR HHZ  A212.0 235  98 EP- 1  30.27 29.44 29.15 0.00  0.29  1.09     0.095 0.55 111   3.93 Z                      
CRPR PR HH2  A212.0 235  98 ES  1  53.11 52.28 51.89 0.00  0.39  1.09S    0.123                                        
IDE  PR EHZ  A224.8 249  97 EP- 1  31.33 30.50 30.75 0.00 -0.25  1.09     0.119                                        
IDE  PR EHE  A224.8 249  97 ES  1  56.47 55.64 54.74 0.00  0.90* 0.78S    0.080                                        
PCDR PR BHZ  A312.9 258  95 EP+ 2  42.31 41.48 41.84 0.00 -0.36  0.44     0.026                                        
PCDR PR BHE  A312.9 258  95 ES  2  75.39 74.56 74.48 0.00  0.08  0.44S    0.034