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 31, 2023 09:05:49 UTC
May 31, 2023 05:05:49 Hora Local
Region: Puerto Rico Trench
Distances: 137.23 Km North of Loiza,PR
143.27 Km North-Northeast of Cataño,PR
145.57 Km North-Northeast of San Juan,PR
Magnitude: 4.03 Md
Location: Latitude: 19.6718 Longitude: -65.7216
Depth: 74 Km
Tsunami Warning Level: No Warning, Advisory or Watch is in effect for Puerto Rico and the Virgin Islands
Issued Date & Time 2023-05-31 05:56:18
ID: 20230531090551

Epicentral Map

Technical Information

YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH   RMS   ERH   ERZ  XMAG  FMAG  PMAG  INT                            
2023-05-31  0905 49.44  19 40.31   65 43.30  74.47  0.67  5.82 16.54        4.03  4.03D                                
                                                                                         SOURCE                        
NSTA NPHS  DMIN MODEL GAP ITR NFM NWR NWS NVR REMRKS-AVH  N.XMG-XMMAD-T   N.FMG-FMMAD-T  L F X                         
  33   33 157.2  PR1  248  13  16  31  15  31     Q  PPX   0.00  0.00      9.00  0.11 D                                
                                                                                                                       
XMAG2-N.XMG2-XMMAD-T-S  FMAG2-N.FMG2-FMMAD-T-S  PREF.MAG-N.PMAG-PRMAD-T                                                
                         4.03   9.00  0.11 Z        4.03   9.00  0.11 D                                                

REGION= Puerto Rico Trench                                                                                             
                                                                                                                       
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  
EMPR PR HHZ  A157.2 213 111 EP- 1  73.52 24.08 23.33 0.00  0.75* 1.00     0.089                                        
EMPR PR HH1  A157.2 213 111 ES  1  91.32 41.88 41.53 0.00  0.35  1.00S    0.319                                        
CUPR PR HHZ  A157.9 162 111 EP- 1  72.42 22.98 23.42 0.00 -0.44  1.00     0.088 0.55 146   4.17 Z                      
CUPR PR HH2  A157.9 162 111 ES  1  91.84 42.40 41.69 0.00  0.71* 1.00S    0.168                                        
ECPR PR HHZ  A164.3 205 111 EP+ 1  72.89 23.45 24.17 0.00 -0.72* 1.00     0.048                                        
ECPR PR HH2  A164.3 205 111 ES  1  91.20 41.76 43.02 0.00 -1.26* 1.00S    0.150                                        
STVI PR HHZ  A166.8 150 110 EP- 1  74.85 25.41 24.46 0.00  0.95* 1.00     0.126 0.55 125   4.04 Z                      
STVI PR HH1  A166.8 150 110 ES  1  93.56 44.12 43.54 0.00  0.58* 1.00S    0.209                                        
HUMP PR HHZ  A169.9 185 110 EP+ 1  73.01 23.57 24.83 0.00 -1.26* 1.00     0.056 0.55 109   3.92 Z                      
HUMP PR HH2  A169.9 185 110 ES  1  93.28 43.84 44.20 0.00 -0.36  1.00S    0.107                                        
MTP  PR HHZ  A175.2 174 109 EP- 1  74.40 24.96 25.46 0.00 -0.50  1.00     0.081 0.55 121   4.02 Z                      
MTP  PR HH1  A175.2 174 109 ES  1  93.86 44.42 45.32 0.00 -0.90* 1.00S    0.131                                        
SJVI PR HHZ  A178.9 145 109 EP- 1  74.73 25.29 25.91 0.00 -0.62* 1.00     0.144 0.55 122   4.03 Z                      
SJVI PR HH2  A178.9 145 109 ES  1  96.29 46.85 46.12 0.00  0.73* 1.00S    0.207                                        
AOPR PR HHZ  A182.6 217 108 EP- 1  75.39 25.95 26.34 0.00 -0.39  1.00     0.058 0.55 142   4.18 Z                      
AOPR PR HH2  A182.6 217 108 ES  1  95.22 45.78 46.89 0.00 -1.11* 1.00S    0.149                                        
UUPR PR HHZ  A189.0 214 108 EP- 1  76.71 27.27 27.12 0.00  0.15  1.00     0.051                                        
IGPR PR HHZ  A193.2 193 107 EP+ 1  76.85 27.41 27.62 0.00 -0.21  1.00     0.087 0.55 106   3.92 Z                      
IGPR PR HH2  A193.2 193 107 ES  1  98.32 48.88 49.16 0.00 -0.28  1.00S    0.163                                        
CELP PR HHZ  A198.5 208 107 EP- 1  77.54 28.10 28.26 0.00 -0.16  1.00     0.062 0.55 155   4.27 Z                      
CELP PR HH2  A198.5 208 107 ES  1 100.03 50.59 50.30 0.00  0.29  1.00S    0.105                                        
LSP  PR HHZ  A219.3 222 105 EP- 1  80.40 30.96 30.78 0.00  0.18  1.00     0.068                                        
LSP  PR HH2  A219.3 222 105 ES  1 105.16 55.72 54.79 0.00  0.93* 1.00S    0.098                                        
GBPR PR HHZ  A224.0 214 105 EP- 1  81.02 31.58 31.36 0.00  0.22  1.00     0.086                                        
GBPR PR HH2  A224.0 214 105 ES  1 105.96 56.52 55.82 0.00  0.70* 1.00S    0.137                                        
MLPR PR HHZ  A234.4 217 104 EP+ 1  82.45 33.01 32.63 0.00  0.38  1.00     0.092                                        
MLPR PR HH2  A234.4 217 104 ES  1 107.18 57.74 58.08 0.00 -0.34  1.00S    0.143                                        
CRPR PR HHZ  A235.4 219 104 EP+ 1  83.14 33.70 32.75 0.00  0.95* 1.00     0.088                                        
CRPR PR HH2  A235.4 219 104 ES  1 108.50 59.06 58.29 0.00  0.76* 1.00S    0.129                                        
HMDR DR BHZ  A397.3 257  98 EP+ 1 101.61 52.17 52.86 0.00 -0.69* 1.00     0.209 0.00 124   3.46 Z                      
HMDR DR BHN  A397.3 257  98 ES  1 143.86 94.42 94.09 0.00  0.33  1.00S    0.338                                        
   2 UNWEIGHTED STATIONS NOT PRINTED.