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: III in Guánica, PR
Date: July 23, 2025 22:21:05 UTC
July 23, 2025 18:21:05 Hora Local
Region: South Region of Puerto Rico
Distances: 6.4 Km South of Guánica,PR
16.36 Km East-Southeast of Lajas,PR
36.34 Km West-Southeast of Ponce,PR
Magnitude: 3.55 Md
Location: Latitude: 17.9323 Longitude: -66.9168
Depth: 9 Km
Tsunami Warning Level: No Warning, Advisory or Watch is in effect for Puerto Rico and the Virgin Islands
Issued Date & Time 2025-07-23 18:42:53
ID: 20250723222104

Epicentral Map

Epicentral Map (PRSN), Last Modified: 2025-07-23 18:42:59 Hora Local.
BULLETIN 2
Seismic Event/Tsunami
DATE: July 23, 2025
LOCAL TIME: 18:21:05
LATITUDE: 17.9323 N
LONGITUDE: 66.9168 W
LOCATION: 6.4 Km South of Guánica,PR
36.3 Km West-Southeast of Ponce,PR
DEPTH: 9 Km
MAGNITUDE: 3.55 Md
ESTIMATED MAXIMUM INTENSITY: III in Guánica, PR
TSUNAMI ALERT LEVEL: No Warning, Advisory or Watch is in effect for Puerto Rico and the Virgin Islands
DATE & ISSUED TIME 2025-07-23 18:42:59
The Puerto Rico Seismic Network (PRSN) received information that this minor earthquake was reported as felt in Guánica and Lajas with a maximum intensity of III (Modified Mercalli Scale, MM). At the moment of generating this bulletin no damages has been reported and are not expected to occur

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                            
2025-07-23  2221  5.24  17 55.94   66 55.01   9.14  0.16  0.53  0.38        3.55  3.55D III                            
                                                                                         SOURCE                        
NSTA NPHS  DMIN MODEL GAP ITR NFM NWR NWS NVR REMRKS-AVH  N.XMG-XMMAD-T   N.FMG-FMMAD-T  L F X                         
  47   47   6.2  PR1  191  20  25  29  12  47     Q  PPT   0.00  0.00     20.00  0.07 D                                
                                                                                                                       
XMAG2-N.XMG2-XMMAD-T-S  FMAG2-N.FMG2-FMMAD-T-S  PREF.MAG-N.PMAG-PRMAD-T                                                
                         3.55  20.00  0.07 Z        3.55  20.00  0.07 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  6.2  40 137 IPD     7.32  2.08  2.08 0.00  0.00  2.61     0.452 0.58  71   3.06 Z                      
GBPR PR HH1  A  6.2  40 137 ES  1   9.10  3.86  3.70 0.00  0.16  1.31S    0.421                                        
MLPR PR HHZ  A 14.1 287 105 EP+ 1   8.31  3.07  3.13 0.00 -0.06  1.31     0.129 0.55  99   3.43 Z                      
MLPR PR HH1  A 14.1 287 105 ES  1  10.90  5.66  5.57 0.00  0.09  1.31S    0.209                                        
CRPR PR HHZ  A 22.0 292  95 IPU     9.52  4.28  4.33 0.00 -0.05  2.61     0.442 0.55 112   3.59 Z                      
CRPR PR HH1  A 22.0 292  95 ES  1  12.43  7.19  7.71 0.00 -0.52* 0.61S    0.038                                        
LSP  PR HHZ  A 32.3 327  93 EP+ 1  11.21  5.97  5.91 0.00  0.06  1.31     0.070 0.58 108   3.60 Z                      
LSP  PR HH1  A 32.3 327  93 ES  2  16.18 10.94 10.52 0.00  0.42  0.52S    0.050                                        
CELP PR HHZ  A 39.1  66  92 EP- 1  11.90  6.66  6.95 0.00 -0.29  1.31     0.075 0.55  98   3.58 Z                      
CELP PR HH2  A 39.1  66  92 ES  1  17.72 12.48 12.37 0.00  0.11  1.31S    0.153                                        
PRSN PR HHZ  A 39.7 323  92 EP+ 1  12.26  7.02  7.05 0.00 -0.03  1.31     0.068 0.55  83   3.43 Z                      
PRSN PR HH2  A 39.7 323  92 ES  1  18.56 13.32 12.55 0.00  0.77* 0.00S    0.000                                        
UUPR PR HHZ  A 41.1  30  92 EP+ 2  12.40  7.16  7.27 0.00 -0.11  0.52     0.011 0.55 119   3.76 Z                      
UUPR PR HH1  A 41.1  30  92 ES  2  17.73 12.49 12.94 0.00 -0.45  0.48S    0.050                                        
ICMP PR HHZ  A 41.6  96  92 EP- 1  12.66  7.42  7.35 0.00  0.07  1.31     0.215 0.55  73   3.32 Z                      
ICMP PR HH1  A 41.6  96  92 ES  1  18.61 13.37 13.08 0.00  0.29  1.31S    0.316                                        
AOPR PR HHZ  A 49.0  20  91 EP+ 1  13.66  8.42  8.48 0.00 -0.06  1.31     0.080 0.55  94   3.55 Z                      
AOPR PR HH2  A 49.0  20  91 ES  1  19.54 14.30 15.09 0.00 -0.79* 0.00S    0.000                                        
CVPR PR HNZ  A 49.0  64  91 EP+ 1  13.52  8.28  8.49 0.00 -0.21  1.31     0.071                                        
CVPR PR HN2  A 49.0  64  91 ES  1  19.97 14.73 15.11 0.00 -0.38  1.31S    0.158                                        
AGPR PR HHZ  A 62.7 341  66 IPU    15.96 10.72 10.57 0.00  0.15  2.38     0.338 0.55  74   3.35 Z                      
AGPR PR HH1  A 62.7 341  66 ES  1  23.98 18.74 18.81 0.00 -0.07  1.19S    0.310                                        
ECPR PR HHZ  A 72.6  53  66 EP- 1  16.97 11.73 11.96 0.00 -0.23  0.89     0.051 0.55  96   3.60 Z                      
ECPR PR HH1  A 72.6  53  66 ES  1  26.45 21.21 21.29 0.00 -0.08  0.89S    0.126                                        
EMPR PR HHZ  A 72.9  34  66 EP+ 1  17.75 12.51 12.00 0.00  0.51* 0.45     0.012 0.55  84   3.48 Z                      
EMPR PR HH1  A 72.9  34  66 ES  2  27.27 22.03 21.36 0.00  0.67* 0.00S    0.000                                        
ASPR PR HHZ  A 73.0  81  66 EP- 1  17.06 11.82 12.02 0.00 -0.20  0.87     0.088                                        
ASPR PR HH1  A 73.0  81  66 ES  1  27.17 21.93 21.40 0.00  0.53* 0.29S    0.016                                        
SJG  IU BHZ  A 83.6  76  55 EP+ 2  18.77 13.53 13.45 0.00  0.08  0.19     0.004 0.73  84   3.37 Z                      
SJG  IU BH2  A 83.6  76  55 ES  2  29.56 24.32 23.94 0.00  0.38  0.19S    0.008                                        
IGPR PR HHZ  A 85.9  87  55 EP+ 1  19.09 13.85 13.74 0.00  0.11  0.38     0.024 0.55  90   3.55 Z                      
IGPR PR HH1  A 85.9  87  55 ES  1  30.63 25.39 24.46 0.00  0.93* 0.00S    0.000                                        
PDPR PR HHZ  A 95.2  84  55 EP+ 1  20.41 15.17 14.92 0.00  0.25  0.11     0.001 0.55  96   3.62 Z                      
PDPR PR HH1  A 95.2  84  55 ES  2  32.91 27.67 26.56 0.00  1.11* 0.00S    0.000                                        
GCPR PR HHZ  A 97.5  64  55 EP+ 1  20.56 15.32 15.21 0.00  0.11  0.06     0.000 0.55  95   3.62 Z                      
GCPR PR HH2  A 97.5  64  55 ES  1  32.02 26.78 27.07 0.00 -0.29  0.06S    0.000                                        
HUMP PR HHZ  A115.4  78  55 EP+ 2  23.29 18.05 17.48 0.00  0.57* 0.00     0.000 0.55  92   3.61 Z                      
HUMP PR HH1  A115.4  78  55 ES  2  37.29 32.05 31.11 0.00  0.94* 0.00S    0.000                                        
FAPR PR HHZ  A137.1  76  55 EP+ 1  26.62 21.38 20.22 0.00  1.16* 0.00     0.000 0.55  68   3.36 Z                      
FAPR PR HH1  A137.1  76  55 ES  2  42.25 37.01 35.99 0.00  1.02* 0.00S    0.000                                        
PCDR PR BHZ  A167.8 293  55 EP+ 3  32.13 26.89 24.10 0.00  2.79* 0.00     0.000 0.55  81   3.55 Z                      
PCDR PR BHN  A167.8 293  55 ES  3  54.19 48.95 42.90 0.00  6.05* 0.00S    0.000                                        
STVI PR HHZ  A212.6  77  55 EP+ 3  37.94 32.70 29.78 0.00  2.92* 0.00     0.000 0.55  90   3.69 Z                      
STVI PR HH1  A212.6  77  55 ES  3  62.66 57.42 53.01 0.00  4.41* 0.00S    0.000                                        
TBVI PR HHZ  A248.9  77  55 EP+ 3  42.69 37.45 34.38 0.00  3.07* 0.00     0.000                                        
HMDR DR BHZ  A277.2 291  55 EP+ 3  46.66 41.42 37.95 0.00  3.47* 0.00     0.000                                        
SMDR PR BHZ  A283.0 303  55 EP+ 3  49.14 43.90 38.68 0.00  5.22* 0.00     0.000                                        

Event Maps



Spectral Acceleration


Intensity Map


Peak Ground Velocity


Peak Ground Acceleration


DYFI Map

Google Map for this Event