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 Cabo Rojo, PR
Date: July 03, 2023 12:44:34 UTC
July 03, 2023 08:44:34 Hora Local
Region: Southwest Region of Puerto Rico
Distances: 8.7 Km South-Southeast of Lajas,PR
14.15 Km South-Southeast of Cabo Rojo,PR
28.6 Km South of Mayagüez,PR
Magnitude: 4.18 Md
Location: Latitude: 17.9478 Longitude: -67.0815
Depth: 7 Km
Tsunami Warning Level: No Warning, Advisory or Watch is in effect for Puerto Rico and the Virgin Islands
Issued Date & Time 2023-07-03 10:17:47
ID: 20230703124435

Epicentral Map

Epicentral Map (PRSN), Last Modified: 2023-07-03 10:18:06 Hora Local.
BULLETIN 2
Seismic Event/Tsunami
DATE: July 03, 2023
LOCAL TIME: 08:44:34
LATITUDE: 17.9478 N
LONGITUDE: 67.0815 W
LOCATION: 8.7 Km South-Southeast of Lajas,PR
28.6 Km South of Mayagüez,PR
DEPTH: 7 Km
MAGNITUDE: 4.18 Md
ESTIMATED MAXIMUM INTENSITY: V in Cabo Rojo, PR
TSUNAMI ALERT LEVEL: No Warning, Advisory or Watch is in effect for Puerto Rico and the Virgin Islands
DATE & ISSUED TIME 2023-07-03 10:18:06
The Puerto Rico Seismic Network (PRSN) received information that this light 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                            
2023-07-03  1244 34.79  17 56.87   67  4.89   7.41  0.10  0.70  0.23        4.18  4.18D 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                         
  49   49   4.6  PR1  199  20  22  21   8  43     Q  PPX   0.00  0.00     12.00  0.11 D                                
                                                                                                                       
XMAG2-N.XMG2-XMMAD-T-S  FMAG2-N.FMG2-FMMAD-T-S  PREF.MAG-N.PMAG-PRMAD-T                                                
                         4.18  12.00  0.11 Z        4.18  12.00  0.11 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  4.6  58 145 IPU    36.48  1.69  1.70 0.00 -0.01  1.60     0.385                                        
MLPR PR HH1  A  4.6  58 145 ES  1  37.60  2.81  3.03 0.00 -0.22  0.80S    0.306                                        
CRPR PR HHZ  A  7.1 336 132 IPU    36.89  2.10  2.00 0.00  0.10  1.60     0.369                                        
CRPR PR HH2  A  7.1 336 132 ES  1  38.23  3.44  3.56 0.00 -0.12  0.80S    0.230                                        
GBPR PR HHZ  A 21.6  81  57 IPD    39.08  4.29  4.32 0.00 -0.03  1.60     0.261 0.58 203   4.11 Z                      
GBPR PR HH2  A 21.6  81  57 ES  1  41.94  7.15  7.69 0.00 -0.54* 0.00S    0.000                                        
LSP  PR HHZ  A 25.2 359  57 IPU    39.55  4.76  4.87 0.00 -0.11  1.60     0.128 0.58 133   3.75 Z                      
LSP  PR HH2  A 25.2 359  57 ES  1  43.74  8.95  8.67 0.00  0.28  0.80S    0.223                                        
PRSN PR HHZ  A 30.6 348  57 IPU    40.48  5.69  5.70 0.00 -0.01  1.60     0.156                                        
PRSN PR HH2  A 30.6 348  57 ES  1  45.15 10.36 10.15 0.00  0.21  0.80S    0.163                                        
UUPR PR HHZ  A 51.0  48  57 EP- 1  43.58  8.79  8.84 0.00 -0.05  0.80     0.040 0.55 172   4.11 Z                      
UUPR PR HH1  A 51.0  48  57 ES  1  49.63 14.84 15.74 0.00 -0.90* 0.00S    0.000                                        
OBIP PR BHZ  A 51.4  78  57 IPD    43.74  8.95  8.90 0.00  0.05  1.60     0.236 0.87 178   3.94 Z                      
OBIP PR BHE  A 51.4  78  57 ES  1  50.55 15.76 15.84 0.00 -0.08  0.80S    0.173                                        
CELP PR HHZ  A 55.0  75  57 IPD    44.30  9.51  9.46 0.00  0.05  1.59     0.214 0.55 188   4.19 Z                      
CELP PR HH1  A 55.0  75  57 ES  1  50.50 15.71 16.84 0.00 -1.13* 0.00S    0.000                                        
AOPR PR HHZ  A 56.1  38  57 IPU    44.38  9.59  9.62 0.00 -0.03  1.58     0.157 0.55 156   4.02 Z                      
AOPR PR HH1  A 56.1  38  57 ES  1  51.26 16.47 17.12 0.00 -0.65* 0.00S    0.000                                        
AGPR PR HHZ  A 57.6 357  57 IPU    44.77  9.98  9.85 0.00  0.13  1.56     0.124 0.55 215   4.32 Z                      
AGPR PR HH2  A 57.6 357  57 ES  1  52.26 17.47 17.53 0.00 -0.06  0.78S    0.201                                        
IDE  PR EHZ  A 63.3 320  57 IPD    45.38 10.59 10.73 0.00 -0.14  1.44     0.429 0.58 201   4.24 Z                      
IDE  PR EHN  A 63.3 320  57 ES  1  53.61 18.82 19.10 0.00 -0.28  0.72S    0.140                                        
EMPR PR HHZ  A 82.7  44  44 IPD    48.99 14.20 13.51 0.00  0.69* 0.00     0.000                                        
EMPR PR HH1  A 82.7  44  44 ES  1  58.88 24.09 24.05 0.00  0.04  0.31S    0.026                                        
ECPR PR HHZ  A 86.4  61  44 IPD    48.92 14.13 13.98 0.00  0.15  0.44     0.014 0.55 197   4.27 Z                      
ECPR PR HH2  A 86.4  61  44 ES  1  59.31 24.52 24.88 0.00 -0.36  0.07S    0.001                                        
IMPR PR HHZ  A 91.1 280  44 EP- 1  49.48 14.69 14.58 0.00  0.11  0.13     0.013                                        
IGPR PR HHZ  A103.3  88  44 IPD    51.78 16.99 16.11 0.00  0.88* 0.00     0.000                                        
IGPR PR HH1  A103.3  88  44 ES  1  63.69 28.90 28.68 0.00  0.22  0.00S    0.000                                        
GCPR PR HHZ  A112.9  69  44 IPD    52.68 17.89 17.33 0.00  0.56* 0.00     0.000 0.55 169   4.16 Z                      
GCPR PR HH2  A112.9  69  44 ES  1  66.29 31.50 30.85 0.00  0.65* 0.00S    0.000                                        
HUMP PR HHZ  A132.3  80  44 EP+ 1  55.37 20.58 19.79 0.00  0.79* 0.00     0.000 0.55 194   4.31 Z                      
HUMP PR HH1  A132.3  80  44 ES  1  71.66 36.87 35.23 0.00  1.64* 0.00S    0.000                                        
FAPR PR HHZ  A153.7  78  44 EP+ 1  59.72 24.93 22.50 0.00  2.43* 0.00     0.000                                        
FAPR PR HH1  A153.7  78  44 ES  1  77.15 42.36 40.05 0.00  2.31* 0.00S    0.000                                        
MTP  PR HHZ  A162.7  83  44 EP+ 1  60.62 25.83 23.64 0.00  2.19* 0.00     0.000 0.55 214   4.43 Z                      
MTP  PR HH2  A162.7  83  44 ES  1  79.85 45.06 42.08 0.00  2.98* 0.00S    0.000                                        
CUPR PR HHZ  A194.5  77  44 EP- 1  64.45 29.66 27.66 0.00  2.00* 0.00     0.000                                        
CUPR PR HH2  A194.5  77  44 ES  1  85.51 50.72 49.23 0.00  1.49* 0.00S    0.000                                        
STVI PR HHZ  A229.3  78  44 EP- 1  68.42 33.63 32.07 0.00  1.56* 0.00     0.000                                        
STVI PR HH2  A229.3  78  44 ES  1  93.35 58.56 57.08 0.00  1.48* 0.00S    0.000                                        
SJVI PR HHZ  A248.1  79  44 EP+ 3  72.60 37.81 34.45 0.00  3.36* 0.00     0.000                                        
SJVI PR HH1  A248.1  79  44 ES  1  96.10 61.31 61.32 0.00 -0.01  0.00S    0.000                                        
   6 UNWEIGHTED STATIONS NOT PRINTED.                                                                                  

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