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: II in Hatillo, PR
Date: August 11, 2024 04:35:55 UTC
August 11, 2024 00:35:55 Hora Local
Region: 19° N Fault Zone
Distances: 71.34 Km North of Loiza,PR
72.72 Km North-Northeast of Cataño,PR
76.04 Km North of San Juan,PR
Magnitude: 3.40 Md
Location: Latitude: 19.0791 Longitude: -65.978
Depth: 35 Km
Tsunami Warning Level: No Warning, Advisory or Watch is in effect for Puerto Rico and the Virgin Islands
Issued Date & Time 2024-08-11 01:07:21
ID: 20240811043554

Epicentral Map

Epicentral Map (PRSN), Last Modified: 2024-08-11 01:07:33 Hora Local.
BULLETIN 1
Seismic Event/Tsunami
DATE: August 11, 2024
LOCAL TIME: 00:35:55
LATITUDE: 19.0791 N
LONGITUDE: 65.978 W
LOCATION: 71.3 Km North of Loiza,PR
76 Km North of San Juan,PR
DEPTH: 35 Km
MAGNITUDE: 3.40 Md
ESTIMATED MAXIMUM INTENSITY: II in Hatillo, PR
TSUNAMI ALERT LEVEL: No Warning, Advisory or Watch is in effect for Puerto Rico and the Virgin Islands
DATE & ISSUED TIME 2024-08-11 01:07:33
The Puerto Rico Seismic Network (PRSN) received information that this minor earthquake was reported as felt in Hatillo with a maximum intensity of II (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                            
2024-08-11  0435 55.54  19  4.75   65 58.68  35.31  0.39  1.92 10.16        3.40  3.40D II                             
                                                                                         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  85.9  PR1  235  19  16  31  15  32     Q  PPR   0.00  0.00     10.00  0.07 D                                
                                                                                                                       
XMAG2-N.XMG2-XMMAD-T-S  FMAG2-N.FMG2-FMMAD-T-S  PREF.MAG-N.PMAG-PRMAD-T                                                
                         3.40  10.00  0.07 Z        3.40  10.00  0.07 D                                                

REGION= 19 N Fault Zone                                                                                                
                                                                                                                       
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  
GCPR PR HHZ  A 85.9 188 104 EP- 1  68.24 12.70 13.20 0.00 -0.50* 1.03     0.050 0.55  69   3.33 Z                      
GCPR PR HH1  A 85.9 188 104 ES  1  78.93 23.39 23.50 0.00 -0.11  1.03S    0.230                                        
EMPR PR HHZ  A 88.4 222 103 EP- 1  69.17 13.63 13.50 0.00  0.13  1.03     0.134 0.55  60   3.21 Z                      
EMPR PR HH2  A 88.4 222 103 ES  1  80.29 24.75 24.03 0.00  0.72* 1.03S    0.368                                        
ECPR PR HHZ  A 93.4 206 102 EP+ 1  69.39 13.85 14.12 0.00 -0.27  1.03     0.051 0.55  75   3.42 Z                      
ECPR PR HH2  A 93.4 206 102 ES  1  80.48 24.94 25.13 0.00 -0.19  1.03S    0.164                                        
FAPR PR HHZ  A101.3 160 101 EP+ 1  70.28 14.74 15.09 0.00 -0.35  1.03     0.053                                        
FAPR PR HH1  A101.3 160 101 ES  1  81.30 25.76 26.86 0.00 -1.10* 0.08S    0.001                                        
SJG  IU BHZ  A108.6 190 100 EP+ 1  71.96 16.42 16.00 0.00  0.42  1.03     0.042 0.73  72   3.27 Z                      
SJG  IU BH1  A108.6 190 100 ES  1  84.39 28.85 28.48 0.00  0.37  1.03S    0.145                                        
CUPR PR HHZ  A112.6 139 100 EP+ 1  71.45 15.91 16.49 0.00 -0.58* 1.03     0.088 0.55  73   3.41 Z                      
CUPR PR HH2  A112.6 139 100 ES  1  84.15 28.61 29.35 0.00 -0.74* 1.03S    0.186                                        
ASPR PR HHZ  A119.4 194  99 EP+ 1  73.11 17.57 17.34 0.00  0.23  1.03     0.056 0.00  69   2.51 Z                      
ASPR PR HH1  A119.4 194  99 ES  1  86.03 30.49 30.87 0.00 -0.38  1.03S    0.164                                        
UUPR PR HHZ  A120.4 221  99 EP+ 1  73.13 17.59 17.47 0.00  0.12  1.03     0.064                                        
UUPR PR HH1  A120.4 221  99 ES  1  86.74 31.20 31.10 0.00  0.10  1.03S    0.080                                        
IGPR PR HHZ  A124.0 187  98 EP- 1  73.79 18.25 17.92 0.00  0.33  1.03     0.071 0.55  71   3.40 Z                      
IGPR PR HH1  A124.0 187  98 ES  1  87.85 32.31 31.90 0.00  0.41  1.03S    0.216                                        
CELP PR HHZ  A128.0 210  98 EP+ 1  73.92 18.38 18.42 0.00 -0.04  1.03     0.060 0.55  75   3.46 Z                      
CELP PR HH1  A128.0 210  98 ES  1  88.54 33.00 32.79 0.00  0.21  1.03S    0.109                                        
STVI PR HHZ  A134.5 126  98 EP- 1  74.79 19.25 19.23 0.00  0.02  1.03     0.123 0.55  70   3.40 Z                      
STVI PR HH2  A134.5 126  98 ES  1  89.78 34.24 34.23 0.00  0.01  1.03S    0.190                                        
AGPR PR HHZ  A137.3 241  97 EP- 1  74.82 19.28 19.59 0.00 -0.31  1.03     0.144                                        
AGPR PR HH1  A137.3 241  97 ES  1  90.16 34.62 34.87 0.00 -0.25  1.03S    0.180                                        
LSP  PR HHZ  A153.8 230  96 EP+ 1  77.12 21.58 21.66 0.00 -0.08  1.03     0.097                                        
LSP  PR HH1  A153.8 230  96 ES  1  93.98 38.44 38.55 0.00 -0.11  1.03S    0.090                                        
TBVI PR HHZ  A160.7 116  96 EP- 1  78.72 23.18 22.52 0.00  0.66* 1.03     0.162                                        
TBVI PR HH1  A160.7 116  96 ES  1  96.15 40.61 40.09 0.00  0.52* 1.03S    0.215                                        
MLPR PR HHZ  A166.6 223  96 EP- 1  78.68 23.14 23.27 0.00 -0.13  1.03     0.100 0.55  74   3.49 Z                      
MLPR PR HH1  A166.6 223  96 ES  1  96.13 40.59 41.42 0.00 -0.83* 1.02S    0.130                                        
CRPR PR HHZ  A168.5 226  96 EP+ 1  79.00 23.46 23.50 0.00 -0.04  1.03     0.102                                        
CRPR PR HH1  A168.5 226  96 ES  1  98.04 42.50 41.83 0.00  0.67* 1.03S    0.119                                        

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