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: January 20, 2023 23:40:45 UTC
January 20, 2023 19:40:45 Hora Local
Region: 19° N Fault Zone
Distances: 118.17 Km North of Loiza,PR
124.63 Km North-Northeast of Cataño,PR
126.7 Km North-Northeast of San Juan,PR
Magnitude: 4.01 Md
Location: Latitude: 19.5 Longitude: -65.744
Depth: 116 Km
Tsunami Warning Level: No Warning, Advisory or Watch is in effect for Puerto Rico and the Virgin Islands
Issued Date & Time 2023-01-20 20:23:13
ID: 20230120234048

Epicentral Map

Technical Information

YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH   RMS   ERH   ERZ  XMAG  FMAG  PMAG  INT                            
2023-01-20  2340 45.77  19 30.00   65 44.64 116.05  0.51  8.47 10.50        4.01  4.01D                                
                                                                                         SOURCE                        
NSTA NPHS  DMIN MODEL GAP ITR NFM NWR NWS NVR REMRKS-AVH  N.XMG-XMMAD-T   N.FMG-FMMAD-T  L F X                         
  24   24 136.6  PR1  279  13  14  24  10  24     Q  PPT   0.00  0.00     10.00  0.08 D                                
                                                                                                                       
XMAG2-N.XMG2-XMMAD-T-S  FMAG2-N.FMG2-FMMAD-T-S  PREF.MAG-N.PMAG-PRMAD-T                                                
                         4.01  10.00  0.08 Z        4.01  10.00  0.08 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  
GCPR PR HHZ  A136.6 196 128 EP+ 2  68.79 23.02 23.74 0.00 -0.72* 0.46     0.015                                        
CUPR PR HHZ  A140.7 159 127 EP+ 1  69.72 23.95 24.15 0.00 -0.20  1.15     0.112 0.55 105   3.94 Z                      
CUPR PR HH1  A140.7 159 127 ES  1  88.17 42.40 42.99 0.00 -0.59* 1.15S    0.213                                        
ECPR PR HHZ  A146.1 207 126 EP+ 1  70.03 24.26 24.70 0.00 -0.44  1.15     0.121 0.55 112   4.00 Z                      
ECPR PR HH1  A146.1 207 126 ES  1  88.92 43.15 43.97 0.00 -0.82* 1.15S    0.261                                        
HUMP PR HHZ  A150.7 185 125 EP+ 1  70.24 24.47 25.17 0.00 -0.70* 1.15     0.083                                        
STVI PR HHZ  A151.7 146 125 EP+ 1  71.17 25.40 25.27 0.00  0.13  1.15     0.167 0.55  91   3.82 Z                      
STVI PR HH1  A151.7 146 125 ES  1  91.55 45.78 44.98 0.00  0.80* 1.15S    0.262                                        
MTP  PR HHZ  A156.6 172 124 EP+ 1  71.45 25.68 25.77 0.00 -0.09  1.15     0.123 0.55 123   4.10 Z                      
MTP  PR HH1  A156.6 172 124 ES  1  90.92 45.15 45.87 0.00 -0.72* 1.15S    0.377                                        
SJVI PR HHZ  A165.0 141 123 EP+ 1  72.82 27.05 26.66 0.00  0.39  1.15     0.182 0.55 111   4.01 Z                      
SJVI PR HH1  A165.0 141 123 ES  1  93.60 47.83 47.45 0.00  0.38  1.15S    0.260                                        
AOPR PR HHZ  A166.2 220 122 EP+ 1  71.96 26.19 26.79 0.00 -0.60* 1.15     0.177 0.55 119   4.08 Z                      
AOPR PR HH2  A166.2 220 122 ES  1  93.98 48.21 47.69 0.00  0.52* 1.15S    0.329                                        
UUPR PR HHZ  A172.2 217 121 EP+ 1  73.31 27.54 27.43 0.00  0.11  1.15     0.124 0.55  99   3.92 Z                      
UUPR PR HH1  A172.2 217 121 ES  1  95.02 49.25 48.83 0.00  0.42  1.15S    0.212                                        
IGPR PR HHZ  A174.1 193 121 EP+ 1  73.59 27.82 27.63 0.00  0.19  1.15     0.181 0.55  81   3.74 Z                      
IGPR PR HH1  A174.1 193 121 ES  2  94.62 48.85 49.18 0.00 -0.33  0.46S    0.096                                        
CELP PR HHZ  A180.7 210 120 EP+ 2  74.20 28.43 28.34 0.00  0.09  0.46     0.018 0.55 115   4.06 Z                      
CELP PR HH2  A180.7 210 120 ES  1  97.01 51.24 50.45 0.00  0.79* 1.15S    0.279                                        
GBPR PR HHZ  A207.0 216 117 EP+ 3  77.30 31.53 31.26 0.00  0.27  0.23     0.006                                        
MLPR PR HHZ  A218.0 220 115 EP+ 1  78.23 32.46 32.50 0.00 -0.04  1.15     0.173                                        
CRPR PR HHZ  A219.3 222 115 EP+ 1  79.02 33.25 32.65 0.00  0.60* 1.15     0.166 0.55 122   4.16 Z                      
CRPR PR HH1  A219.3 222 115 ES  2 103.47 57.70 58.12 0.00 -0.42  0.46S    0.052