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: IV in Lajas, PR
Date: April 22, 2023 11:53:08 UTC
April 22, 2023 07:53:08 Hora Local
Region: South Region of Puerto Rico
Distances: 5.72 Km South-Southeast of Guánica,PR
13.62 Km Southeast of Lajas,PR
34.01 Km South-Southeast of Mayagüez,PR
Magnitude: 3.68 Md
Location: Latitude: 17.9451 Longitude: -66.9383
Depth: 13 Km
Tsunami Warning Level: No Warning, Advisory or Watch is in effect for Puerto Rico and the Virgin Islands
Issued Date & Time 2023-04-22 08:20:33
ID: 20230422115307

Epicentral Map

Epicentral Map (PRSN), Last Modified: 2023-04-22 08:20:39 Hora Local.
BULLETIN 1
Seismic Event/Tsunami
DATE: April 22, 2023
LOCAL TIME: 07:53:08
LATITUDE: 17.9451 N
LONGITUDE: 66.9383 W
LOCATION: 5.7 Km South-Southeast of Guánica,PR
34 Km South-Southeast of Mayagüez,PR
DEPTH: 13 Km
MAGNITUDE: 3.68 Md
ESTIMATED MAXIMUM INTENSITY: IV in Lajas, PR
TSUNAMI ALERT LEVEL: No Warning, Advisory or Watch is in effect for Puerto Rico and the Virgin Islands
DATE & ISSUED TIME 2023-04-22 08:20:39
The Puerto Rico Seismic Network (PRSN) received information that this minor earthquake was reported as felt in the Western region of Puerto Rico and the Southern region of Puerto Rico with a maximum intensity of IV (Modified Mercalli Scale, MM). At the moment of generating this bulletin no damages has been reported, but given the size and location this can not be ruled out

Based on magnitude, location and historic records the earthquake was not sufficient to generate a destructive tsunami to Puerto Rico and Virgin Islands.

Technical Information

YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH   RMS   ERH   ERZ  XMAG  FMAG  PMAG  INT                            
2023-04-22  1153  8.39  17 56.71   66 56.30  13.66  0.20  0.80  0.37        3.68  3.68D IV                             
                                                                                         SOURCE                        
NSTA NPHS  DMIN MODEL GAP ITR NFM NWR NWS NVR REMRKS-AVH  N.XMG-XMMAD-T   N.FMG-FMMAD-T  L F X                         
  43   43   7.1  PR1  222  16  22  18   8  43     Q  PP0   0.00  0.00     16.00  0.12 D                                
                                                                                                                       
XMAG2-N.XMG2-XMMAD-T-S  FMAG2-N.FMG2-FMMAD-T-S  PREF.MAG-N.PMAG-PRMAD-T                                                
                         3.68  16.00  0.12 Z        3.68  16.00  0.12 D                                                

REGION= Southern 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  
GBPR PR HHZ  A  7.1  62 148 EP- 1  11.03  2.64  2.72 0.00 -0.08  1.22     0.241 0.58  88   3.26 Z                      
GBPR PR HH1  A  7.1  62 148 ES  1  13.35  4.96  4.84 0.00  0.12  1.22S    0.587                                        
CRPR PR HHZ  A 19.4 291 116 EP+ 1  12.39  4.00  4.14 0.00 -0.14  1.22     0.246 0.55  94   3.42 Z                      
CRPR PR HH1  A 19.4 291 116 ES  1  15.53  7.14  7.37 0.00 -0.23  1.22S    0.330                                        
LSP  PR HHZ  A 29.9 329 105 EP- 1  14.11  5.72  5.66 0.00  0.06  1.22     0.094 0.58  91   3.43 Z                      
LSP  PR HH1  A 29.9 329 105 ES  1  18.81 10.42 10.07 0.00  0.35  1.22S    0.381                                        
PRSN PR HHZ  A 37.2 325  66 EP+ 1  15.05  6.66  6.70 0.00 -0.04  1.22     0.147 0.55  96   3.55 Z                      
PRSN PR HH2  A 37.2 325  66 ES  1  19.95 11.56 11.93 0.00 -0.37  1.22S    0.237                                        
CELP PR HHZ  A 40.6  69  66 EP- 1  15.50  7.11  7.18 0.00 -0.07  1.22     0.236 0.55 105   3.65 Z                      
CELP PR HH1  A 40.6  69  66 ES  1  21.19 12.80 12.78 0.00  0.02  1.22S    0.303                                        
UUPR PR HHZ  A 41.1  34  66 EP- 1  15.51  7.12  7.25 0.00 -0.13  1.22     0.093 0.55 110   3.69 Z                      
UUPR PR HH1  A 41.1  34  66 ES  1  21.07 12.68 12.90 0.00 -0.22  1.22S    0.251                                        
AOPR PR HHZ  A 48.5  23  66 EP- 1  16.70  8.31  8.29 0.00  0.02  1.22     0.079 0.55 120   3.78 Z                      
AOPR PR HH2  A 48.5  23  66 ES  1  23.00 14.61 14.76 0.00 -0.15  1.22S    0.270                                        
AGPR PR HHZ  A 60.6 343  66 EP+ 1  18.69 10.30  9.99 0.00  0.31  1.15     0.081 0.55  97   3.60 Z                      
AGPR PR HH2  A 60.6 343  66 ES  1  26.30 17.91 17.78 0.00  0.13  1.15S    0.211                                        
ECPR PR HHZ  A 73.6  55  55 EP+ 1  20.48 12.09 11.79 0.00  0.30  0.79     0.085 0.55 125   3.84 Z                      
ECPR PR HH1  A 73.6  55  55 ES  1  28.56 20.17 20.99 0.00 -0.82* 0.00S    0.000                                        
IDE  PR EHZ  A 74.1 312  55 EP+ 1  20.59 12.20 11.86 0.00  0.34  0.77     0.117 0.58 110   3.70 Z                      
IDE  PR EHN  A 74.1 312  55 ES  1  30.09 21.70 21.11 0.00  0.59* 0.07S    0.001                                        
SJG  IU BHZ  A 85.5  77  55 EP- 1  22.28 13.89 13.29 0.00  0.60* 0.02     0.000 0.73  94   3.47 Z                      
SJG  IU BH1  A 85.5  77  55 ES  1  32.77 24.38 23.66 0.00  0.72* 0.00S    0.000                                        
IGPR PR HHZ  A 88.1  88  55 EP+ 1  22.86 14.47 13.62 0.00  0.85* 0.00     0.000 0.55 109   3.73 Z                      
IGPR PR HH1  A 88.1  88  55 ES  1  33.38 24.99 24.24 0.00  0.75* 0.00S    0.000                                        
GCPR PR HHZ  A 99.0  65  55 EP- 1  24.10 15.71 15.00 0.00  0.71* 0.00     0.000 0.55 101   3.67 Z                      
GCPR PR HH1  A 99.0  65  55 ES  1  35.60 27.21 26.70 0.00  0.51* 0.02S    0.000                                        
IMPR PR HHZ  A106.2 279  55 EP- 1  25.23 16.84 15.91 0.00  0.93* 0.00     0.000                                        
HUMP PR HHZ  A117.4  79  55 EP- 1  26.70 18.31 17.33 0.00  0.98* 0.00     0.000 0.55 104   3.72 Z                      
HUMP PR HH1  A117.4  79  55 ES  1  39.38 30.99 30.85 0.00  0.14  0.00S    0.000                                        
FAPR PR HHZ  A139.0  77  55 EP- 1  30.31 21.92 20.06 0.00  1.86* 0.00     0.000                                        
FAPR PR HH1  A139.0  77  55 ES  1  47.16 38.77 35.71 0.00  3.06* 0.00S    0.000                                        
MTP  PR HHZ  A147.7  83  55 EP+ 1  31.93 23.54 21.17 0.00  2.37* 0.00     0.000 0.55 120   3.88 Z                      
MTP  PR HH1  A147.7  83  55 ES  1  48.27 39.88 37.68 0.00  2.20* 0.00S    0.000                                        
PCDR PR BHZ  A165.1 293  55 EP- 1  34.32 25.93 23.37 0.00  2.56* 0.00     0.000                                        
PCDR PR BHN  A165.1 293  55 ES  1  54.02 45.63 41.60 0.00  4.03* 0.00S    0.000                                        
CUPR PR HHZ  A179.8  76  55 EP+ 1  36.55 28.16 25.23 0.00  2.93* 0.00     0.000                                        
CUPR PR HH1  A179.8  76  55 ES  1  57.38 48.99 44.91 0.00  4.08* 0.00S    0.000                                        
STVI PR HHZ  A214.5  77  55 EP- 1  42.09 33.70 29.63 0.00  4.07* 0.00     0.000                                        
STVI PR HH1  A214.5  77  55 ES  1  67.35 58.96 52.74 0.00  6.22* 0.00S    0.000                                        
SJVI PR HHZ  A233.3  79  55 EP+ 1  44.11 35.72 32.00 0.00  3.72* 0.00     0.000 0.55 122   3.99 Z                      
SJVI PR HH1  A233.3  79  55 ES  1  71.12 62.73 56.96 0.00  5.77* 0.00S    0.000                                        
SMDR PR BHZ  A280.3 303  55 EP- 1  51.25 42.86 37.95 0.00  4.91* 0.00     0.000                                        
SMDR PR BHN  A280.3 303  55 ES  1  81.90 73.51 67.55 0.00  5.96* 0.00S    0.000                                        

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