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: March 31, 2023 15:24:48 UTC
March 31, 2023 11:24:48 Hora Local
Region: 19° N Fault Zone
Distances: 70.03 Km North of Cataño,PR
72.19 Km North-Northeast of Toa Baja,PR
74.87 Km North of San Juan,PR
Magnitude: 3.54 Md
Location: Latitude: 19.0728 Longitude: -66.0966
Depth: 19 Km
Tsunami Warning Level: No Warning, Advisory or Watch is in effect for Puerto Rico and the Virgin Islands
Issued Date & Time 2023-03-31 12:02:10
ID: 20230331152445

Epicentral Map

Technical Information

YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH   RMS   ERH   ERZ  XMAG  FMAG  PMAG  INT                            
2023-03-31  1524 48.58  19  4.37   66  5.80  19.94  0.33  1.73  3.55        3.54  3.54D                                
                                                                                         SOURCE                        
NSTA NPHS  DMIN MODEL GAP ITR NFM NWR NWS NVR REMRKS-AVH  N.XMG-XMMAD-T   N.FMG-FMMAD-T  L F X                         
  46   46  80.2  PR1  237  14  23  45  23  46     Q  PPW   0.00  0.00     18.00  0.13 D                                
                                                                                                                       
XMAG2-N.XMG2-XMMAD-T-S  FMAG2-N.FMG2-FMMAD-T-S  PREF.MAG-N.PMAG-PRMAD-T                                                
                         3.54  18.00  0.13 Z        3.54  18.00  0.13 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  
EMPR PR HHZ  A 80.2 215  63 IPD    60.81 12.23 12.22 0.00  0.01  1.67     0.094 0.55  82   3.46 Z                      
EMPR PR HH2  A 80.2 215  63 ES  1  70.87 22.29 21.75 0.00  0.54* 0.84S    0.066                                        
GCPR PR HHZ  A 84.5 179  63 IPU    61.22 12.64 12.77 0.00 -0.13  1.67     0.112 0.55  75   3.39 Z                      
GCPR PR HH2  A 84.5 179  63 ES  1  71.36 22.78 22.73 0.00  0.05  0.84S    0.103                                        
ECPR PR HHZ  A 88.0 199  63 IPU    61.52 12.94 13.22 0.00 -0.28  1.67     0.091 0.55  85   3.50 Z                      
ECPR PR HH2  A 88.0 199  63 ES  1  72.37 23.79 23.53 0.00  0.26  0.84S    0.081                                        
FAPR PR HHZ  A105.5 153  63 EP- 1  63.61 15.03 15.43 0.00 -0.40  0.84     0.031                                        
FAPR PR HH1  A105.5 153  63 ES  1  75.61 27.03 27.47 0.00 -0.44  0.84S    0.091                                        
AOPR PR HHZ  A106.1 221  63 IPU    63.94 15.36 15.51 0.00 -0.15  1.67     0.114 0.55 103   3.70 Z                      
AOPR PR HH2  A106.1 221  63 ES  1  76.22 27.64 27.61 0.00  0.03  0.84S    0.071                                        
HUMP PR HHZ  A106.3 165  63 IPD    63.99 15.41 15.53 0.00 -0.12  1.67     0.117 0.55  78   3.45 Z                      
HUMP PR HH2  A106.3 165  63 ES  1  75.68 27.10 27.64 0.00 -0.54* 0.84S    0.098                                        
SJG  IU BHZ  A106.5 184  63 IPD    64.40 15.82 15.56 0.00  0.26  1.67     0.108 0.73  67   3.19 Z                      
SJG  IU BH2  A106.5 184  63 ES  1  77.07 28.49 27.70 0.00  0.79* 0.68S    0.067                                        
UUPR PR HHZ  A112.1 217  63 EP- 1  64.98 16.40 16.26 0.00  0.14  0.84     0.025 0.55  73   3.39 Z                      
UUPR PR HH2  A112.1 217  63 ES  1  77.15 28.57 28.94 0.00 -0.37  0.84S    0.066                                        
CUPR PR HHZ  A120.6 134  63 EP- 1  65.53 16.95 17.34 0.00 -0.39  0.84     0.055 0.55 101   3.70 Z                      
CUPR PR HH2  A120.6 134  63 ES  1  78.87 30.29 30.87 0.00 -0.58* 0.84S    0.128                                        
CELP PR HHZ  A121.6 205  63 IPU    65.95 17.37 17.47 0.00 -0.10  1.67     0.087 0.55 106   3.74 Z                      
CELP PR HH2  A121.6 205  63 ES  1  79.68 31.10 31.10 0.00  0.00  0.84S    0.072                                        
MTP  PR HHZ  A122.3 151  63 IPU    65.89 17.31 17.55 0.00 -0.24  1.67     0.131 0.55  96   3.65 Z                      
MTP  PR HH2  A122.3 151  63 ES  1  79.11 30.53 31.24 0.00 -0.71* 0.83S    0.090                                        
IGPR PR HHZ  A122.6 181  63 IPD    66.69 18.11 17.59 0.00  0.52* 1.67     0.111 0.55  71   3.38 Z                      
IGPR PR HH1  A122.6 181  63 ES  1  80.67 32.09 31.31 0.00  0.78* 0.72S    0.075                                        
OBIP PR BHZ  A126.1 206  63 EP- 1  66.92 18.34 18.03 0.00  0.31  0.84     0.021 0.87  81   3.30 Z                      
OBIP PR BHE  A126.1 206  63 ES  1  80.52 31.94 32.09 0.00 -0.15  0.84S    0.071                                        
AGPR PR HHZ  A126.2 239  63 EP+ 1  66.14 17.56 18.05 0.00 -0.49  0.84     0.073 0.55  77   3.46 Z                      
AGPR PR HH1  A126.2 239  63 ES  1  79.76 31.18 32.13 0.00 -0.95* 0.10S    0.002                                        
LSP  PR HHZ  A144.1 227  63 EP+ 1  69.30 20.72 20.31 0.00  0.41  0.84     0.037                                        
LSP  PR HH1  A144.1 227  63 ES  1  84.76 36.18 36.15 0.00  0.03  0.84S    0.089                                        
STVI PR HHZ  A144.3 123  63 EP- 1  69.34 20.76 20.34 0.00  0.42  0.84     0.090                                        
STVI PR HH1  A144.3 123  63 ES  1  85.34 36.76 36.21 0.00  0.55* 0.84S    0.213                                        
PRSN PR HHZ  A145.6 230  63 EP- 1  69.13 20.55 20.50 0.00  0.05  0.84     0.044                                        
PRSN PR HH2  A145.6 230  63 ES  1  84.76 36.18 36.49 0.00 -0.31  0.84S    0.104                                        
GBPR PR HHZ  A147.0 215  63 IPU    69.43 20.85 20.68 0.00  0.17  1.67     0.094 0.58  87   3.57 Z                      
GBPR PR HH2  A147.0 215  63 ES  1  85.97 37.39 36.81 0.00  0.58* 0.84S    0.066                                        
MLPR PR HHZ  A157.9 220  63 EP- 1  70.70 22.12 22.06 0.00  0.06  0.84     0.027 0.55  97   3.70 Z                      
MLPR PR HH1  A157.9 220  63 ES  1  87.16 38.58 39.27 0.00 -0.69* 0.84S    0.070                                        
CRPR PR HHZ  A159.3 223  63 EP- 1  71.07 22.49 22.24 0.00  0.25  0.84     0.031 0.55  89   3.63 Z                      
CRPR PR HH1  A159.3 223  63 ES  1  88.51 39.93 39.59 0.00  0.34  0.84S    0.076                                        
SJVI PR HHZ  A162.1 120  63 EP- 1  71.44 22.86 22.59 0.00  0.27  0.84     0.103 0.55  91   3.65 Z                      
SJVI PR HH1  A162.1 120  63 ES  1  89.00 40.42 40.21 0.00  0.21  0.84S    0.247                                        
IDE  PR EHZ  A163.3 243  63 EP- 1  70.92 22.34 22.75 0.00 -0.41  0.84     0.091 0.58  88   3.60 Z                      
IDE  PR EHE  A163.3 243  63 ES  1  88.95 40.37 40.49 0.00 -0.12  0.84S    0.221                                        
CDVI PR HHZ  A202.9 135  63 EP+ 1  78.17 29.59 27.76 0.00  1.83* 0.00     0.000                                        
CDVI PR HH1  A202.9 135  63 ES  1  98.63 50.05 49.41 0.00  0.64* 0.84S    0.123