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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: November 20, 2021 04:34:31 UTC
November 20, 2021 00:34:31 Hora Local
Region: SouthWestern PR
Distances: 7.26 Km South-Southeast of Lajas,PR
11.72 Km West-Southeast of Guánica,PR
29.41 Km South-Southeast of Mayagüez,PR
Magnitude: 2.57 Md
Location: Latitude: 17.9551 Longitude: -67.0131
Depth: 12 Km
ID: 20211120043431

Epicentral Map

Technical Information

YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH   RMS   ERH   ERZ  XMAG  FMAG  PMAG  INT                            
2021-11-20  0434 31.68  17 57.31   67  0.79  12.20  0.11  0.47  0.30        2.57  2.57D                                
                                                                                         SOURCE                        
NSTA NPHS  DMIN MODEL GAP ITR NFM NWR NWS NVR REMRKS-AVH  N.XMG-XMMAD-T   N.FMG-FMMAD-T  L F X                         
  28   28   3.6  PR1  215  19  14  23  11  28     Q  PPF   0.00  0.00      5.00  0.21 D                                
                                                                                                                       
XMAG2-N.XMG2-XMMAD-T-S  FMAG2-N.FMG2-FMMAD-T-S  PREF.MAG-N.PMAG-PRMAD-T                                                
                         2.57   5.00  0.21 Z        2.57   5.00  0.21 D                                                

REGION= Southwestern Puerto Rico                                                                                       
                                                                                                                       
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  
MLPR PR HHZ  A  3.6 296 160 EP+ 1  33.76  2.08  2.29 0.00 -0.21  0.95     0.106 0.55  41   2.57 Z                      
MLPR PR HH1  A  3.6 296 160 ES  1  35.31  3.63  4.08 0.00 -0.45  0.00S    0.000                                        
PR01 GS HHZ  A 10.5 327 132 IPU    34.53  2.85  2.89 0.00 -0.04  1.89     0.227 0.55  42   2.63 Z                      
PR01 GS HH2  A 10.5 327 132 ES  1  36.83  5.15  5.14 0.00  0.01  0.95S    0.196                                        
CRPR PR HHZ  A 11.7 299 128 IPU    34.71  3.03  3.02 0.00  0.01  1.89     0.413 0.55  31   2.36 Z                      
CRPR PR HH2  A 11.7 299 128 ES  1  36.88  5.20  5.38 0.00 -0.18  0.95S    0.152                                        
GBPR PR HHZ  A 14.3  81 121 IPD    35.06  3.38  3.36 0.00  0.02  1.89     0.361 0.58  30   2.32 Z                      
GBPR PR HH2  A 14.3  81 121 ES  1  37.76  6.08  5.98 0.00  0.10  0.95S    0.253                                        
PR03 GS HHZ  A 14.7  32 120 EP+ 1  35.16  3.48  3.40 0.00  0.08  0.95     0.056                                        
PR03 GS HH1  A 14.7  32 120 ES  1  37.74  6.06  6.05 0.00  0.01  0.95S    0.366                                        
PRSN PR HHZ  A 32.2 335 100 EP- 1  37.90  6.22  5.95 0.00  0.27  0.91     0.065                                        
PRSN PR HH2  A 32.2 335 100 ES  1  42.25 10.57 10.59 0.00 -0.02  0.95S    0.222                                        
PR06 GS HHZ  A 32.5  69 100 EP- 1  37.80  6.12  6.00 0.00  0.12  0.95     0.063                                        
PR06 GS HH1  A 32.5  69 100 ES  1  42.25 10.57 10.68 0.00 -0.11  0.95S    0.185                                        
OBIP PR BHZ  A 44.2  77  66 EP- 1  39.39  7.71  7.77 0.00 -0.06  0.95     0.147                                        
OBIP PR BHN  A 44.2  77  66 ES  1  45.26 13.58 13.83 0.00 -0.25  0.94S    0.187                                        
UUPR PR HHZ  A 45.2  43  66 EP- 1  39.61  7.93  7.92 0.00  0.01  0.95     0.087                                        
UUPR PR HH1  A 45.2  43  66 ES  1  45.64 13.96 14.10 0.00 -0.14  0.95S    0.179                                        
CELP PR HHZ  A 47.8  73  66 EP- 1  39.98  8.30  8.28 0.00  0.02  0.95     0.134                                        
CELP PR HH2  A 47.8  73  66 ES  1  45.97 14.29 14.74 0.00 -0.45  0.00S    0.000                                        
AOPR PR HHZ  A 51.3  32  66 EP- 1  40.64  8.96  8.77 0.00  0.19  0.95     0.088 0.55  47   2.92 Z                      
AOPR PR HH2  A 51.3  32  66 ES  1  47.37 15.69 15.61 0.00  0.08  0.95S    0.207                                        
AGPR PR HHZ  A 57.6 350  66 EP+ 1  41.69 10.01  9.66 0.00  0.35  0.12     0.002                                        
AGPR PR HH2  A 57.6 350  66 ES  1  48.81 17.13 17.19 0.00 -0.06  0.92S    0.277                                        
ECPR PR HHZ  A 79.7  59  55 EP+ 1  44.79 13.11 12.69 0.00  0.42  0.00     0.000                                        
ECPR PR HH1  A 79.7  59  55 ES  1  54.58 22.90 22.59 0.00  0.31  0.25S    0.014                                        
PDPR PR HHZ  A105.2  86  55 EP- 1  47.80 16.12 15.91 0.00  0.21  0.00     0.000                                        
PDPR PR HH2  A105.2  86  55 ES  1  59.77 28.09 28.32 0.00 -0.23  0.00S    0.000