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: May 28, 2023 20:47:11 UTC
May 28, 2023 16:47:11 Hora Local
Region: Sombrero Seismic Zone
Distances: 71.9 Km North-Northwest of Culebra,PR
74.95 Km North-Northeast of Luquillo,PR
92.95 Km Northeast of San Juan,PR
Magnitude: 3.69 Md
Location: Latitude: 18.9578 Longitude: -65.434
Depth: 21 Km
Tsunami Warning Level: No Warning, Advisory or Watch is in effect for Puerto Rico and the Virgin Islands
Issued Date & Time 2023-05-28 17:34:36
ID: 20230528204709

Epicentral Map

Technical Information

YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH   RMS   ERH   ERZ  XMAG  FMAG  PMAG  INT                            
2023-05-28  2047 11.63  18 57.47   65 26.04  21.26  0.40  1.47 28.70        3.69  3.69D                                
                                                                                         SOURCE                        
NSTA NPHS  DMIN MODEL GAP ITR NFM NWR NWS NVR REMRKS-AVH  N.XMG-XMMAD-T   N.FMG-FMMAD-T  L F X                         
  40   40  73.7  PR1  225  15  20  39  19  40     Q- PP0   0.00  0.00     17.00  0.11 D                                
                                                                                                                       
XMAG2-N.XMG2-XMMAD-T-S  FMAG2-N.FMG2-FMMAD-T-S  PREF.MAG-N.PMAG-PRMAD-T                                                
                         3.69  17.00  0.11 Z        3.69  17.00  0.11 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  
CUPR PR HHZ  A 73.7 167  91 EP- 1  22.43 10.80 11.41 0.00 -0.61* 1.08     0.135 0.55  88   3.52 Z                      
CUPR PR HH1  A 73.7 167  91 ES  1  32.42 20.79 20.31 0.00  0.48  1.08S    0.308                                        
STVI PR HHZ  A 83.8 142  91 EP+ 1  23.05 11.42 12.69 0.00 -1.27* 0.10     0.001 0.55  91   3.56 Z                      
STVI PR HH1  A 83.8 142  91 ES  1  33.28 21.65 22.59 0.00 -0.94* 1.08S    0.279                                        
FAPR PR HHZ  A 85.3 197  91 EP- 1  24.03 12.40 12.88 0.00 -0.48  1.08     0.075 0.55  82   3.47 Z                      
FAPR PR HH1  A 85.3 197  91 ES  1  34.80 23.17 22.93 0.00  0.24  1.08S    0.245                                        
SJVI PR HHZ  A 98.4 134  91 EP+ 1  24.95 13.32 14.54 0.00 -1.22* 0.24     0.011 0.55  98   3.65 Z                      
SJVI PR HH1  A 98.4 134  91 ES  1  35.94 24.31 25.88 0.00 -1.57* 0.00S    0.000                                        
GCPR PR HHZ  A 99.3 224  91 EP+ 1  25.66 14.03 14.65 0.00 -0.62* 1.08     0.081 0.55  91   3.58 Z                      
GCPR PR HH1  A 99.3 224  91 ES  1  37.43 25.80 26.08 0.00 -0.28  1.08S    0.217                                        
SJG  IU BHZ  A120.4 220  90 EP+ 1  28.71 17.08 17.30 0.00 -0.22  1.08     0.046 0.73  93   3.50 Z                      
SJG  IU BH1  A120.4 220  90 ES  1  42.44 30.81 30.79 0.00  0.02  1.08S    0.148                                        
ECPR PR HHZ  A120.9 235  90 EP- 1  28.77 17.14 17.37 0.00 -0.23  1.08     0.048 0.55 104   3.72 Z                      
ECPR PR HH1  A120.9 235  90 ES  1  42.28 30.65 30.92 0.00 -0.27  1.08S    0.074                                        
EMPR PR HHZ  A127.2 246  90 EP- 1  30.16 18.53 18.17 0.00  0.36  1.08     0.072 0.55  96   3.66 Z                      
EMPR PR HH1  A127.2 246  90 ES  1  44.38 32.75 32.34 0.00  0.41  1.08S    0.063                                        
IGPR PR HHZ  A130.8 214  90 EP+ 1  30.06 18.43 18.63 0.00 -0.20  1.08     0.052 0.55  90   3.60 Z                      
IGPR PR HH1  A130.8 214  90 ES  1  44.39 32.76 33.16 0.00 -0.40  1.08S    0.188                                        
CDVI PR HHZ  A151.0 151  90 EP- 1  33.12 21.49 21.19 0.00  0.30  1.08     0.217 0.55  96   3.69 Z                      
CDVI PR HH1  A151.0 151  90 ES  1  49.97 38.34 37.72 0.00  0.62* 1.08S    0.467                                        
AOPR PR HHZ  A154.8 245  90 EP- 1  33.10 21.47 21.67 0.00 -0.20  1.08     0.069 0.55 113   3.84 Z                      
AOPR PR HH2  A154.8 245  90 ES  1  49.92 38.29 38.57 0.00 -0.28  1.08S    0.062                                        
CELP PR HHZ  A155.5 232  90 EP+ 1  33.41 21.78 21.75 0.00  0.03  1.08     0.045 0.55 100   3.73 Z                      
CELP PR HH1  A155.5 232  90 ES  1  49.74 38.11 38.72 0.00 -0.61* 1.08S    0.084                                        
UUPR PR HHZ  A156.6 241  90 EP- 1  33.65 22.02 21.89 0.00  0.13  1.08     0.059 0.55 104   3.76 Z                      
UUPR PR HH1  A156.6 241  90 ES  1  50.87 39.24 38.96 0.00  0.28  1.08S    0.062                                        
OBIP PR BHZ  A159.9 231  90 EP+ 1  34.18 22.55 22.32 0.00  0.23  1.08     0.045                                        
OBIP PR BHE  A159.9 231  90 ES  1  51.62 39.99 39.73 0.00  0.26  1.08S    0.088                                        
AGPR PR HHZ  A185.1 254  90 EP- 1  36.69 25.06 25.49 0.00 -0.43  1.08     0.104 0.55 106   3.81 Z                      
AGPR PR HH1  A185.1 254  90 ES  1  57.17 45.54 45.37 0.00  0.17  1.08S    0.087                                        
GBPR PR HHZ  A187.5 235  90 EP+ 1  37.97 26.34 25.80 0.00  0.54* 1.08     0.048 0.58 103   3.77 Z                      
GBPR PR HH1  A187.5 235  90 ES  1  57.58 45.95 45.92 0.00  0.03  1.08S    0.074                                        
LSP  PR HHZ  A194.7 244  90 EP- 1  38.33 26.70 26.72 0.00 -0.02  1.08     0.066 0.58 109   3.83 Z                      
LSP  PR HH1  A194.7 244  90 ES  1  59.71 48.08 47.56 0.00  0.52* 1.08S    0.061                                        
PRSN PR HHZ  A198.3 246  90 EP- 1  39.47 27.84 27.17 0.00  0.67* 1.08     0.072                                        
PRSN PR HH2  A198.3 246  90 ES  1  59.48 47.85 48.36 0.00 -0.51* 1.08S    0.063                                        
CRPR PR HHZ  A206.0 240  90 EP- 1  39.98 28.35 28.14 0.00  0.21  1.08     0.057 0.55 108   3.85 Z                      
CRPR PR HH1  A206.0 240  90 ES  1  61.90 50.27 50.09 0.00  0.18  1.08S    0.063                                        
HMDR DR BHZ  A416.6 269  90 EP+ 1  66.45 54.82 54.81 0.00  0.01  0.35     0.020                                        
HMDR DR BHE  A416.6 269  90 ES  1 108.74 97.11 97.56 0.00 -0.45  0.35S    0.023