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 Tortola, BVI
Date: September 03, 2023 07:49:43 UTC
September 03, 2023 03:49:43 Hora Local
Region: Virgin Islands Platform
Distances: 30.22 Km Northwest of Anegada,BVI
52.33 Km North-Northwest of Virgin Gorda,BVI
179.61 Km East-Northeast of San Juan,PR
Magnitude: 4.28 Md
Location: Latitude: 18.9421 Longitude: -64.5248
Depth: 4 Km
Tsunami Warning Level: No Warning, Advisory or Watch is in effect for Puerto Rico and the Virgin Islands
Issued Date & Time 2023-09-03 05:38:36
ID: 20230903074942

Epicentral Map

Epicentral Map (PRSN), Last Modified: 2023-09-03 05:38:45 Hora Local.
BULLETIN 3
Seismic Event/Tsunami
DATE: September 03, 2023
LOCAL TIME: 03:49:43
LATITUDE: 18.9421 N
LONGITUDE: 64.5248 W
LOCATION: 30.2 Km Northwest of Anegada,BVI
179.6 Km East-Northeast of San Juan,PR
DEPTH: 4 Km
MAGNITUDE: 4.28 Md
ESTIMATED MAXIMUM INTENSITY: IV in Tortola, BVI
TSUNAMI ALERT LEVEL: No Warning, Advisory or Watch is in effect for Puerto Rico and the Virgin Islands
DATE & ISSUED TIME 2023-09-03 05:38:45
The Puerto Rico Seismic Network (PRSN) received information that this light earthquake was reported as felt in the Eastern region of Puerto Rico, the Northern region of Puerto Rico and the British Virgin Islands with a maximum intensity of IV (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                            
2023-09-03  0749 43.70  18 56.53   64 31.49   4.58  0.35  1.18  1.11        4.28  4.28D 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                         
  53   53  79.6  PR1  218  16  29  39  16  53     Q  PP0   0.00  0.00     14.00  0.07 D                                
                                                                                                                       
XMAG2-N.XMG2-XMMAD-T-S  FMAG2-N.FMG2-FMMAD-T-S  PREF.MAG-N.PMAG-PRMAD-T                                                
                         4.28  14.00  0.07 Z        4.28  14.00  0.07 D                                                

REGION= Virgin Islands Platform 
COMMENT= 5.5 Ml (EB), 4.8 Mwr (NEIC) & 5.3 Mi (PTWC)                                                                                        
                                                                                                                       
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  
STVI PR HHZ  A 79.6 215  50 IPD    56.74 13.04 13.41 0.00 -0.37  2.24     0.338                                        
STVI PR HH2  A 79.6 215  50 ES  1  67.16 23.46 23.87 0.00 -0.41  1.12S    0.234                                        
CDVI PR HHZ  A134.1 191  44 IPD    64.63 20.93 20.39 0.00  0.54* 2.24     0.276                                        
CDVI PR HH1  A134.1 191  44 ES  1  80.06 36.36 36.29 0.00  0.07  1.12S    0.244                                        
MTP  PR HHZ  A143.3 230  44 EP- 1  65.25 21.55 21.55 0.00  0.00  1.12     0.035                                        
MTP  PR HH2  A143.3 230  44 ES  1  82.05 38.35 38.36 0.00 -0.01  1.12S    0.107                                        
FAPR PR HHZ  A144.0 237  44 EP- 1  65.05 21.35 21.63 0.00 -0.28  1.12     0.034                                        
FAPR PR HH1  A144.0 237  44 ES  1  81.96 38.26 38.50 0.00 -0.24  1.12S    0.091                                        
HUMP PR HHZ  A165.5 238  44 EP- 1  67.88 24.18 24.36 0.00 -0.18  1.12     0.034                                        
HUMP PR HH1  A165.5 238  44 ES  1  87.03 43.33 43.36 0.00 -0.03  1.12S    0.089                                        
SMRT NA BHZ  A182.2 122  44 EP- 1  69.86 26.16 26.47 0.00 -0.31  1.12     0.187                                        
SMRT NA BHN  A182.2 122  44 ES  1  90.43 46.73 47.12 0.00 -0.39  1.12S    0.525                                        
SJG  IU BHZ  A194.7 243  44 EP+ 1  71.56 27.86 28.06 0.00 -0.20  1.12     0.036                                        
SJG  IU BH1  A194.7 243  44 ES  1  93.61 49.91 49.95 0.00 -0.04  1.12S    0.086                                        
IGPR PR HHZ  A199.0 238  44 EP- 1  72.69 28.99 28.61 0.00  0.38  1.12     0.034                                        
IGPR PR HH1  A199.0 238  44 ES  1  96.13 52.43 50.93 0.00  1.50* 0.00S    0.000                                        
SABA NA BHZ  A199.5 136  44 EP- 1  72.76 29.06 28.66 0.00  0.40  1.12     0.136 0.00 151   3.30 Z                      
ECPR PR HHZ  A205.9 251  44 IPD    72.84 29.14 29.47 0.00 -0.33  2.24     0.178 0.55 174   4.29 Z                      
ECPR PR HH1  A205.9 251  44 ES  2  96.45 52.75 52.46 0.00  0.29  0.45S    0.015                                        
EMPR PR HHZ  A217.7 257  44 EP+ 1  74.58 30.88 30.96 0.00 -0.08  1.12     0.056 0.55 165   4.25 Z                      
EMPR PR HH1  A217.7 257  44 ES  1 100.22 56.52 55.11 0.00  1.41* 0.04S    0.000                                        
CELP PR HHZ  A237.3 247  44 EP- 1  76.92 33.22 33.45 0.00 -0.23  1.12     0.039 0.55 180   4.35 Z                      
CELP PR HH2  A237.3 247  44 ES  1 103.32 59.62 59.54 0.00  0.08  1.12S    0.088                                        
OBIP PR BHZ  A241.3 246  44 EP- 1  78.27 34.57 33.96 0.00  0.61* 1.12     0.038 0.87 166   4.08 Z                      
OBIP PR BHN  A241.3 246  44 ES  1 103.95 60.25 60.45 0.00 -0.20  1.12S    0.087                                        
UUPR PR HHZ  A244.0 253  44 EP- 1  78.00 34.30 34.30 0.00  0.00  1.12     0.047 0.55 152   4.21 Z                      
UUPR PR HH2  A244.0 253  44 ES  2 107.25 63.55 61.05 0.00  2.50* 0.00S    0.000                                        
GBPR PR HHZ  A270.8 248  44 EP+ 1  81.85 38.15 37.69 0.00  0.46  1.12     0.040 0.58 160   4.26 Z                      
GBPR PR HH2  A270.8 248  44 ES  1 112.77 69.07 67.09 0.00  1.98* 0.00S    0.000                                        
AGPR PR HHZ  A277.9 260  44 EP+ 1  81.54 37.84 38.59 0.00 -0.75* 1.12     0.063 0.55 168   4.34 Z                      
AGPR PR HH2  A277.9 260  44 ES  1 112.18 68.48 68.69 0.00 -0.21  1.12S    0.136                                        
MLPR PR HHZ  A287.1 249  44 EP- 1  83.61 39.91 39.76 0.00  0.15  1.12     0.041 0.55 166   4.33 Z                      
MLPR PR HH1  A287.1 249  44 ES  1 115.89 72.19 70.77 0.00  1.42* 0.03S    0.000                                        
PRSN PR HHZ  A288.0 255  44 EP- 1  84.37 40.67 39.87 0.00  0.80* 1.12     0.051 0.55 154   4.27 Z                      
PRSN PR HH2  A288.0 255  44 ES  1 114.61 70.91 70.97 0.00 -0.06  1.12S    0.109                                        
CRPR PR HHZ  A292.1 250  44 EP- 1  84.12 40.42 40.38 0.00  0.04  1.11     0.042 0.55 173   4.38 Z                      
CRPR PR HH2  A292.1 250  44 ES  1 115.75 72.05 71.88 0.00  0.17  1.11S    0.092                                        
IDE  PR EHZ  A316.6 260  44 EP- 1  87.32 43.62 43.48 0.00  0.14  1.07     0.058 0.58 162   4.32 Z                      
IDE  PR EHN  A316.6 260  44 ES  1 121.52 77.82 77.39 0.00  0.43  1.07S    0.124                                        
IMPR PR HHZ  A372.4 256  44 EP- 1  96.81 53.11 50.55 0.00  2.56* 0.00     0.000                                        
PCDR PR BHZ  A409.7 264  44 EP+ 1  98.89 55.19 55.27 0.00 -0.08  0.61     0.022 0.55 174   4.55 Z                      
PCDR PR BHN  A409.7 264  44 ES  1 144.59100.89 98.38 0.00  2.51* 0.00S    0.000                                        
ABD  WI BHZ  A422.5 129  44 EP- 1 100.74 57.04 56.89 0.00  0.15  0.53     0.035 0.00 171   3.70 Z                      
ABD  WI BHE  A422.5 129  44 ES  1 145.00101.30101.26 0.00  0.04  0.53S    0.101                                        
DSD  WI BHZ  A468.6 127  44 EP- 1 105.49 61.79 62.73 0.00 -0.94* 0.26     0.008                                        
DSD  WI BHN  A468.6 127  44 ES  1 154.76111.06111.66 0.00 -0.60* 0.26S    0.024                                        
SMDR PR BHZ  A492.6 276  44 EP- 2 107.67 63.97 65.77 0.00 -1.80* 0.00     0.000                                        
SMDR PR BHE  A492.6 276  44 ES  2 160.45116.75117.07 0.00 -0.32  0.06S    0.000                                        
HMDR DR BHZ  A512.6 269  44 EP- 2 111.09 67.39 68.29 0.00 -0.90* 0.03     0.000                                        
SDD  DR BHZ  A572.0 266  44 EP- 2 121.43 77.73 75.81 0.00  1.92* 0.00     0.000                                        
SDD  DR BHN  A572.0 266  44 ES  3 179.26135.56134.94 0.00  0.62* 0.00S    0.000                                        
SC01 DR BHZ  A655.7 276  44 EP- 1 129.04 85.34 86.41 0.00 -1.07* 0.00     0.000                                        
SDDR CU BHZ  A713.7 272  44 EP- 2 137.44 93.74 93.76 0.00 -0.02  0.00     0.000                                        

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Peak Ground Acceleration


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