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 Guánica, PR
Date: May 08, 2023 12:23:05 UTC
May 08, 2023 08:23:05 Hora Local
Region: South Region of Puerto Rico
Distances: 7.08 Km Southwest of Guánica,PR
11.05 Km Southeast of Lajas,PR
32.08 Km South-Southeast of Mayagüez,PR
Magnitude: 3.39 Md
Location: Latitude: 17.9508 Longitude: -66.9633
Depth: 6 Km
Tsunami Warning Level: No Warning, Advisory or Watch is in effect for Puerto Rico and the Virgin Islands
Issued Date & Time 2023-05-08 08:41:29
ID: 20230508122306

Epicentral Map

Epicentral Map (PRSN), Last Modified: 2023-05-08 08:41:36 Hora Local.
BULLETIN 2
Seismic Event/Tsunami
DATE: May 08, 2023
LOCAL TIME: 08:23:05
LATITUDE: 17.9508 N
LONGITUDE: 66.9633 W
LOCATION: 7.1 Km Southwest of Guánica,PR
32.1 Km South-Southeast of Mayagüez,PR
DEPTH: 6 Km
MAGNITUDE: 3.39 Md
ESTIMATED MAXIMUM INTENSITY: IV in Guánica, PR
TSUNAMI ALERT LEVEL: No Warning, Advisory or Watch is in effect for Puerto Rico and the Virgin Islands
DATE & ISSUED TIME 2023-05-08 08:41:36
The Puerto Rico Seismic Network (PRSN) received information that this minor earthquake was reported as felt in 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                            
2023-05-08  1223  5.05  17 57.05   66 57.80   6.59  0.12  0.60  0.31        3.39  3.39D 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                         
  32   32   8.8  PR1  206  15  16  22  11  32     Q  PPM   0.00  0.00      7.00  0.12 D                                
                                                                                                                       
XMAG2-N.XMG2-XMMAD-T-S  FMAG2-N.FMG2-FMMAD-T-S  PREF.MAG-N.PMAG-PRMAD-T                                                
                         3.39   7.00  0.12 Z        3.39   7.00  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  
MLPR PR HHZ  A  8.8 284 122 IPU     7.19  2.14  2.15 0.00 -0.01  2.04     0.370                                        
MLPR PR HH1  A  8.8 284 122 ES  1   8.66  3.61  3.83 0.00 -0.22  1.02S    0.173                                        
GBPR PR HHZ  A  9.3  73 120 EP- 1   7.36  2.31  2.23 0.00  0.08  1.02     0.179                                        
GBPR PR HH1  A  9.3  73 120 ES  1   9.07  4.02  3.97 0.00  0.05  1.02S    0.563                                        
CRPR PR HHZ  A 16.7 292 106 IPU     8.51  3.46  3.47 0.00 -0.01  2.04     0.277 0.55  69   3.12 Z                      
CRPR PR HH1  A 16.7 292 106 ES  1  10.94  5.89  6.18 0.00 -0.29  1.02S    0.149                                        
LSP  PR HHZ  A 28.1 333  57 IPU    10.38  5.33  5.39 0.00 -0.06  2.04     0.199                                        
LSP  PR HH1  A 28.1 333  57 ES  1  15.08 10.03  9.59 0.00  0.44  0.08S    0.001                                        
PRSN PR HHZ  A 35.2 327  57 EP+ 1  10.99  5.94  6.49 0.00 -0.55* 0.00     0.000                                        
PRSN PR HH2  A 35.2 327  57 ES  1  16.63 11.58 11.55 0.00  0.03  1.02S    0.197                                        
OBIP PR BHZ  A 39.2  74  57 EP- 1  12.08  7.03  7.10 0.00 -0.07  1.02     0.121 0.87  83   3.23 Z                      
OBIP PR BHN  A 39.2  74  57 ES  1  17.74 12.69 12.64 0.00  0.05  1.02S    0.155                                        
UUPR PR HHZ  A 42.2  37  57 EP- 1  12.45  7.40  7.56 0.00 -0.16  1.02     0.040                                        
UUPR PR HH1  A 42.2  37  57 ES  1  18.46 13.41 13.46 0.00 -0.05  1.02S    0.181                                        
CELP PR HHZ  A 42.9  71  57 IPD    12.61  7.56  7.68 0.00 -0.12  2.04     0.426                                        
CELP PR HH1  A 42.9  71  57 ES  1  18.55 13.50 13.67 0.00 -0.17  1.02S    0.135                                        
AOPR PR HHZ  A 49.1  26  57 IPD    13.67  8.62  8.63 0.00 -0.01  2.04     0.170 0.55  79   3.40 Z                      
AOPR PR HH2  A 49.1  26  57 ES  1  20.26 15.21 15.36 0.00 -0.15  1.02S    0.236                                        
AGPR PR HHZ  A 59.3 345  57 IPU    15.48 10.43 10.19 0.00  0.24  1.95     0.172 0.55  78   3.39 Z                      
AGPR PR HH1  A 59.3 345  57 ES  1  22.73 17.68 18.14 0.00 -0.46  0.00S    0.000                                        
IDE  PR EHZ  A 71.8 313  50 EP+ 1  17.18 12.13 12.07 0.00  0.06  0.72     0.055 0.58  78   3.39 Z                      
IDE  PR EHN  A 71.8 313  50 ES  1  26.55 21.50 21.48 0.00  0.02  0.72S    0.112                                        
EMPR PR HHZ  A 74.2  38  50 IPD    18.01 12.96 12.41 0.00  0.55* 0.00     0.000 0.55  87   3.51 Z                      
EMPR PR HH1  A 74.2  38  50 ES  1  27.25 22.20 22.09 0.00  0.11  0.65S    0.050                                        
SJG  IU BHZ  A 87.9  78  44 EP- 1  19.55 14.50 14.28 0.00  0.22  0.24     0.011                                        
SJG  IU BH1  A 87.9  78  44 ES  1  30.80 25.75 25.42 0.00  0.33  0.23S    0.016                                        
IGPR PR HHZ  A 90.8  88  44 EP+ 1  20.36 15.31 14.64 0.00  0.67* 0.00     0.000                                        
IGPR PR HH1  A 90.8  88  44 ES  1  32.11 27.06 26.06 0.00  1.00* 0.00S    0.000                                        
GCPR PR HHZ  A101.2  66  44 IPD    21.32 16.27 15.96 0.00  0.31  0.03     0.000                                        
GCPR PR HH1  A101.2  66  44 ES  1  33.32 28.27 28.41 0.00 -0.14  0.01S    0.000                                        
CUPR PR HHZ  A182.2  77  44 EP+ 1  33.99 28.94 26.21 0.00  2.73* 0.00     0.000 0.55  98   3.74 Z                      
CUPR PR HH1  A182.2  77  44 ES  1  55.67 50.62 46.65 0.00  3.97* 0.00S    0.000                                        

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