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: V in Guánica, PR
Date: July 04, 2020 06:24:23 UTC
July 04, 2020 02:24:23 Hora Local
Region: South Region of Puerto Rico
Distances: 8.75 Km Southeast of Lajas,PR
9.15 Km West-Southeast of Guánica,PR
30.42 Km South-Southeast of Mayagüez,PR
Magnitude: 3.55 Md
Location: Latitude: 17.9553 Longitude: -66.988
Depth: 5 Km
Tsunami Warning Level: No Warning, Advisory or Watch is in effect for Puerto Rico and the Virgin Islands
Issued Date & Time 2020-07-04 03:20:57
ID: 20200704062424

Epicentral Map

Epicentral Map (PRSN), Last Modified: 2020-07-04 03:21:38 Hora Local.
BULLETIN 2
Seismic Event/Tsunami
DATE: July 04, 2020
LOCAL TIME: 02:24:23
LATITUDE: 17.9553 N
LONGITUDE: 66.988 W
LOCATION: 8.8 Km Southeast of Lajas,PR
30.4 Km South-Southeast of Mayagüez,PR
DEPTH: 5 Km
MAGNITUDE: 3.55 Md
ESTIMATED MAXIMUM INTENSITY: V in Guánica, PR
TSUNAMI ALERT LEVEL: No Warning, Advisory or Watch is in effect for Puerto Rico and the Virgin Islands
DATE & ISSUED TIME 2020-07-04 03:21:38
The Puerto Rico Seismic Network (PRSN) received information that this minor earthquake was reported as felt in the Central region of Puerto Rico, the Western region of Puerto Rico and the Southern region of Puerto Rico with a maximum intensity of V (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                            
2020-07-04  0624 23.23  17 57.32   66 59.28   5.92  0.10  0.43  0.25        3.55  3.55D V                              
                                                                                         SOURCE                        
NSTA NPHS  DMIN MODEL GAP ITR NFM NWR NWS NVR REMRKS-AVH  N.XMG-XMMAD-T   N.FMG-FMMAD-T  L F X                         
  42   42   6.2  PR1  200  19  22  30  11  42     Q  PPY   0.00  0.00      8.00  0.18 D                                
                                                                                                                       
XMAG2-N.XMG2-XMMAD-T-S  FMAG2-N.FMG2-FMMAD-T-S  PREF.MAG-N.PMAG-PRMAD-T                                                
                         3.55   8.00  0.18 Z        3.55   8.00  0.18 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  6.2 285 129 IPU    24.86  1.63  1.69 0.00 -0.06  1.40     0.301                                        
MLPR PR HH1  A  6.2 285 129 ES  1  26.29  3.06  3.01 0.00  0.05  0.70S    0.127                                        
GBPR PR EHZ  A 11.7  79 110 IPU    25.86  2.63  2.58 0.00  0.05  1.40     0.234                                        
PR01 GS HHZ  A 12.2 317 110 IPU    25.75  2.52  2.65 0.00 -0.13  1.40     0.138                                        
PR01 GS HH1  A 12.2 317 110 ES  1  27.84  4.61  4.72 0.00 -0.11  0.70S    0.104                                        
PR03 GS HHZ  A 13.4  23 108 IPD    26.05  2.82  2.86 0.00 -0.04  1.40     0.224                                        
PR03 GS HH1  A 13.4  23 108 ES  1  28.26  5.03  5.09 0.00 -0.06  0.70S    0.266                                        
CRPR PR HHZ  A 14.1 294 107 IPU    26.17  2.94  2.98 0.00 -0.04  1.40     0.220                                        
CRPR PR HH2  A 14.1 294 107 ES  1  28.76  5.53  5.30 0.00  0.23  0.70S    0.091                                        
PR05 GS HHZ  A 16.9  53 103 IPD    26.75  3.52  3.47 0.00  0.05  1.40     0.183                                        
PR05 GS HH1  A 16.9  53 103 ES  1  30.71  7.48  6.18 0.00  1.30* 0.00S    0.000                                        
PR02 GS HHZ  A 23.9  74  99 IPD    28.03  4.80  4.73 0.00  0.07  1.40     0.174                                        
PR02 GS HH1  A 23.9  74  99 ES  1  32.15  8.92  8.42 0.00  0.50* 0.00S    0.000                                        
LSP  PR EHZ  A 26.5 337  98 IPD    28.43  5.20  5.19 0.00  0.01  1.40     0.137                                        
PR06 GS HHZ  A 30.0  68  57 IPD    28.79  5.56  5.75 0.00 -0.19  1.40     0.117 0.87  53   2.76 Z                      
PR06 GS HH1  A 30.0  68  57 ES  1  34.04 10.81 10.23 0.00  0.58* 0.00S    0.000                                        
PRSN PR HHZ  A 33.4 331  57 IPU    29.45  6.22  6.28 0.00 -0.06  1.40     0.167 0.55  76   3.31 Z                      
PRSN PR HH2  A 33.4 331  57 ES  1  34.49 11.26 11.18 0.00  0.08  0.70S    0.133                                        
PR04 GS HHZ  A 33.7  85  57 IPD    29.59  6.36  6.33 0.00  0.03  1.40     0.196                                        
PR04 GS HH1  A 33.7  85  57 ES  1  34.87 11.64 11.27 0.00  0.37  0.19S    0.005                                        
OBIP PR BHZ  A 41.6  76  57 IPD    30.64  7.41  7.53 0.00 -0.12  1.40     0.146                                        
OBIP PR BHN  A 41.6  76  57 ES  1  36.69 13.46 13.40 0.00  0.06  0.70S    0.066                                        
UUPR PR HHZ  A 43.4  40  57 IPD    30.89  7.66  7.82 0.00 -0.16  1.40     0.094                                        
UUPR PR HH2  A 43.4  40  57 ES  1  38.11 14.88 13.92 0.00  0.96* 0.00S    0.000                                        
CELP PR HHZ  A 45.3  72  57 IPD    31.33  8.10  8.10 0.00  0.00  1.40     0.130                                        
CELP PR HH1  A 45.3  72  57 ES  1  37.76 14.53 14.42 0.00  0.11  0.70S    0.064                                        
AOPR PR HHZ  A 49.9  29  57 IPD    32.06  8.83  8.81 0.00  0.02  1.40     0.103                                        
AOPR PR HH2  A 49.9  29  57 ES  1  38.70 15.47 15.68 0.00 -0.21  0.70S    0.127                                        
AGPR PR HHZ  A 58.2 348  57 IPU    33.65 10.42 10.08 0.00  0.34  0.84     0.050 0.55  99   3.61 Z                      
AGPR PR HH1  A 58.2 348  57 ES  1  41.36 18.13 17.94 0.00  0.19  0.68S    0.135                                        
IDE  PR EHZ  A 69.5 314  57 IPD    35.07 11.84 11.83 0.00  0.01  1.07     0.132 0.14  93   4.16 Z                      
IDE  PR EHN  A 69.5 314  57 ES  1  44.38 21.15 21.06 0.00  0.09  0.53S    0.080                                        
ECPR PR HHZ  A 77.4  58  50 IPD    36.15 12.92 12.95 0.00 -0.03  0.76     0.033                                        
ECPR PR HH2  A 77.4  58  50 ES  1  46.87 23.64 23.05 0.00  0.59* 0.00S    0.000                                        
SJG  IU BHZ  A 90.4  78  44 IPD    38.19 14.96 14.68 0.00  0.28  0.25     0.006 0.73  84   3.37 Z                      
SJG  IU BH2  A 90.4  78  44 ES  1  50.13 26.90 26.13 0.00  0.77* 0.00S    0.000                                        
IGPR PR HHZ  A 93.3  89  44 IPD    38.72 15.49 15.05 0.00  0.44  0.00     0.000 0.55  86   3.52 Z                      
IGPR PR HH2  A 93.3  89  44 ES  1  50.17 26.94 26.79 0.00  0.15  0.08S    0.001                                        
PDPR PR HHZ  A102.5  85  44 EP- 1  39.91 16.68 16.22 0.00  0.46  0.00     0.000 0.55  91   3.58 Z                      
PDPR PR HH1  A102.5  85  44 ES  1  53.00 29.77 28.87 0.00  0.90* 0.00S    0.000                                        
HUMP PR HHZ  A122.4  80  44 EP- 1  42.73 19.50 18.73 0.00  0.77* 0.00     0.000 0.55 103   3.72 Z                      
HUMP PR HH1  A122.4  80  44 ES  1  57.16 33.93 33.34 0.00  0.59* 0.00S    0.000                                        

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