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 San Juan, PR
Date: May 04, 2023 03:52:44 UTC
May 03, 2023 23:52:44 Hora Local
Region: Virgin Islands Platform
Distances: 31.05 Km Northwest of Charlotte Amalie, St. Thomas,USVI
32.27 Km North-Northeast of Culebra,PR
104.98 Km East of San Juan,PR
Magnitude: 4.18 Md
Location: Latitude: 18.5641 Longitude: -65.1236
Depth: 74 Km
Tsunami Warning Level: No Warning, Advisory or Watch is in effect for Puerto Rico and the Virgin Islands
Issued Date & Time 2023-05-04 00:19:08
ID: 20230504035241

Epicentral Map

Epicentral Map (PRSN), Last Modified: 2023-05-04 00:19:18 Hora Local.
BULLETIN 2
Seismic Event/Tsunami
DATE: May 03, 2023
LOCAL TIME: 23:52:44
LATITUDE: 18.5641 N
LONGITUDE: 65.1236 W
LOCATION: 31.1 Km Northwest of Charlotte Amalie, St. Thomas,USVI
105 Km East of San Juan,PR
DEPTH: 74 Km
MAGNITUDE: 4.18 Md
ESTIMATED MAXIMUM INTENSITY: IV in San Juan, PR
TSUNAMI ALERT LEVEL: No Warning, Advisory or Watch is in effect for Puerto Rico and the Virgin Islands
DATE & ISSUED TIME 2023-05-04 00:19:18
The Puerto Rico Seismic Network (PRSN) received information that this light earthquake was reported as felt in the Eastern region of Puerto Rico and the Northern region of Puerto Rico 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                            
2023-05-04  0352 44.26  18 33.85   65  7.42  74.78  0.25  1.51  1.11        4.18  4.18D 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                         
  40   40  29.4  PR1  217  13  20  22  10  40     Q  PPP   0.00  0.00     16.00  0.11 D                                
                                                                                                                       
XMAG2-N.XMG2-XMMAD-T-S  FMAG2-N.FMG2-FMMAD-T-S  PREF.MAG-N.PMAG-PRMAD-T                                                
                         4.18  16.00  0.11 Z        4.18  16.00  0.11 D                                                

REGION= Virgin Islands Platform  
Comment: PTWC 4.1 ml, NEIC 4.1 mb                                                                                   
                                                                                                                       
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 29.4 142 157 EP+ 1  55.37 11.11 11.00 0.00  0.11  1.28     0.142 0.55 117   3.78 Z                      
STVI PR HH2  A 29.4 142 157 ES  1  63.78 19.52 19.58 0.00 -0.06  1.28S    0.308                                        
CUPR PR HHZ  A 33.0 211 154 IPU    55.46 11.20 11.19 0.00  0.01  2.56     0.251 0.55 139   3.96 Z                      
CUPR PR HH1  A 33.0 211 154 ES  1  64.18 19.92 19.92 0.00  0.00  1.28S    0.376                                        
SJVI PR HHZ  A 45.2 124 146 EP+ 1  56.25 11.99 11.95 0.00  0.04  1.28     0.211 0.55 131   3.95 Z                      
SJVI PR HH1  A 45.2 124 146 ES  1  65.71 21.45 21.27 0.00  0.18  1.28S    0.283                                        
CDVI PR HHZ  A 97.6 157 124 EP+ 1  60.85 16.59 16.66 0.00 -0.07  1.28     0.301 0.55 154   4.16 Z                      
CDVI PR HH1  A 97.6 157 124 ES  1  73.60 29.34 29.65 0.00 -0.31  1.28S    0.674                                        
GCPR PR HHZ  A105.3 255 122 IPU    61.51 17.25 17.48 0.00 -0.23  2.56     0.446                                        
GCPR PR HH1  A105.3 255 122 ES  1  74.89 30.63 31.11 0.00 -0.48  1.28S    0.309                                        
SJG  IU BHZ  A119.5 246 118 EP- 1  63.56 19.30 19.03 0.00  0.27  1.20     0.097                                        
IGPR PR HHZ  A123.3 238 117 EP+ 1  64.24 19.98 19.45 0.00  0.53* 1.16     0.105 0.55 133   4.05 Z                      
IGPR PR HH1  A123.3 238 117 ES  1  79.45 35.19 34.62 0.00  0.57* 1.07S    0.309                                        
EMPR PR HHZ  A148.8 267 113 EP+ 1  67.01 22.75 22.36 0.00  0.39  0.74     0.066 0.55 149   4.18 Z                      
EMPR PR HH1  A148.8 267 113 ES  1  84.74 40.48 39.80 0.00  0.68* 0.15S    0.004                                        
CELP PR HHZ  A163.1 251 111 EP- 1  68.53 24.27 24.05 0.00  0.22  0.47     0.019 0.55 157   4.25 Z                      
CELP PR HH1  A163.1 251 111 ES  1  87.10 42.84 42.81 0.00  0.03  0.47S    0.043                                        
OBIP PR BHZ  A167.0 251 110 EP+ 1  69.35 25.09 24.51 0.00  0.58* 0.34     0.011 0.87 151   4.02 Z                      
OBIP PR BHN  A167.0 251 110 ES  1  88.79 44.53 43.63 0.00  0.90* 0.00S    0.000                                        
UUPR PR HHZ  A172.2 259 110 EP+ 1  69.64 25.38 25.12 0.00  0.26  0.30     0.009 0.55 143   4.17 Z                      
UUPR PR HH2  A172.2 259 110 ES  1  88.39 44.13 44.71 0.00 -0.58* 0.26S    0.011                                        
AOPR PR HHZ  A173.9 263 109 EP+ 1  69.74 25.48 25.32 0.00  0.16  0.28     0.008 0.55 144   4.18 Z                      
AOPR PR HH2  A173.9 263 109 ES  1  88.73 44.47 45.07 0.00 -0.60* 0.21S    0.007                                        
GBPR PR HHZ  A196.8 251 107 EP+ 1  73.27 29.01 28.06 0.00  0.95* 0.00     0.000 0.58 158   4.27 Z                      
GBPR PR HH2  A196.8 251 107 ES  1  96.22 51.96 49.95 0.00  2.01* 0.00S    0.000                                        
AGPR PR HHZ  A210.2 268 106 EP- 1  74.16 29.90 29.68 0.00  0.22  0.00     0.000 0.55 150   4.26 Z                      
AGPR PR HH2  A210.2 268 106 ES  1  96.65 52.39 52.83 0.00 -0.44  0.00S    0.000                                        
LSP  PR HHZ  A211.8 259 106 EP- 1  74.74 30.48 29.88 0.00  0.60* 0.00     0.000                                        
LSP  PR HH1  A211.8 259 106 ES  1  97.32 53.06 53.19 0.00 -0.13  0.00S    0.000                                        
MLPR PR HHZ  A213.5 253 106 EP+ 1  75.32 31.06 30.09 0.00  0.97* 0.00     0.000 0.55 157   4.30 Z                      
MLPR PR HH2  A213.5 253 106 ES  1  97.24 52.98 53.56 0.00 -0.58* 0.00S    0.000                                        
PRSN PR HHZ  A217.0 261 105 EP+ 1  75.38 31.12 30.52 0.00  0.60* 0.00     0.000                                        
PRSN PR HH2  A217.0 261 105 ES  1  99.04 54.78 54.33 0.00  0.45  0.00S    0.000                                        
CRPR PR HHZ  A218.9 254 105 EP- 1  75.65 31.39 30.75 0.00  0.64* 0.00     0.000 0.55 155   4.30 Z                      
CRPR PR HH1  A218.9 254 105 ES  1  98.27 54.01 54.74 0.00 -0.73* 0.00S    0.000                                        
IDE  PR EHZ  A248.3 266 103 IPU    78.87 34.61 34.35 0.00  0.26  0.00     0.000 0.58 135   4.18 Z                      
IDE  PR EHN  A248.3 266 103 ES  1 104.02 59.76 61.14 0.00 -1.38* 0.00S    0.000                                        
PCDR PR BHZ  A344.1 270  99 EP+ 1  92.13 47.87 46.22 0.00  1.65* 0.00     0.000 0.55 139   4.33 Z                      
PCDR PR BHN  A344.1 270  99 ES  1 126.78 82.52 82.27 0.00  0.25  0.00S    0.000                                        
SMDR PR BHN  A435.9 282  97 ES  1 142.61 98.35102.72 0.00 -4.37* 0.00S    0.000                                        

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