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 Aguada, PR
Date: May 11, 2023 02:38:46 UTC
May 10, 2023 22:38:46 Hora Local
Region: Septentrional Fault Zone
Distances: 84.97 Km North-Northwest of Desecheo,PR
98.04 Km Northwest of Aguadilla,PR
121.4 Km Northwest of Mayagüez,PR
Magnitude: 4.30 Md
Location: Latitude: 19.105 Longitude: -67.7443
Depth: 47 Km
Tsunami Warning Level: No Warning, Advisory or Watch is in effect for Puerto Rico and the Virgin Islands
Issued Date & Time 2023-05-10 23:42:30
ID: 20230511023847

Epicentral Map

Epicentral Map (PRSN), Last Modified: 2023-05-10 23:42:41 Hora Local.
BULLETIN 2
Seismic Event/Tsunami
DATE: May 10, 2023
LOCAL TIME: 22:38:46
LATITUDE: 19.105 N
LONGITUDE: 67.7443 W
LOCATION: 85 Km North-Northwest of Desecheo,PR
121.4 Km Northwest of Mayagüez,PR
DEPTH: 47 Km
MAGNITUDE: 4.30 Md
ESTIMATED MAXIMUM INTENSITY: IV in Aguada, PR
TSUNAMI ALERT LEVEL: No Warning, Advisory or Watch is in effect for Puerto Rico and the Virgin Islands
DATE & ISSUED TIME 2023-05-10 23:42:41
The Puerto Rico Seismic Network (PRSN) received information that this light earthquake was reported as felt in the Northern region of Puerto Rico and the Western 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                            
2023-05-11  0238 46.64  19  6.30   67 44.66  47.71  0.70  3.96 13.49        4.30  4.30D 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                         
  36   36  84.9  PR1  251  14  17  28  11  31     Q  PPK   0.00  0.00      8.00  0.15 D                                
                                                                                                                       
XMAG2-N.XMG2-XMMAD-T-S  FMAG2-N.FMG2-FMMAD-T-S  PREF.MAG-N.PMAG-PRMAD-T                                                
                         4.30   8.00  0.15 Z        4.30   8.00  0.15 D                                                

REGION= Septentrional 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  
IDE  PR EHZ  A 84.9 159 113 EP- 1  58.37 11.73 13.58 0.00 -1.85* 0.92     0.070 0.58 155   4.07 Z                      
IDE  PR EHE  A 84.9 159 113 ES  1  67.05 20.41 24.17 0.00 -3.76* 0.00S    0.000                                        
PCDR PR BHZ  A 93.7 226 111 EP- 1  61.96 15.32 14.61 0.00  0.71* 1.07     0.252                                        
PCDR PR BHE  A 93.7 226 111 ES  1  73.80 27.16 26.01 0.00  1.15* 1.07S    0.571                                        
AGPR PR HHZ  A 97.1 136 110 EP+ 1  60.34 13.70 15.02 0.00 -1.32* 1.07     0.121 0.55 182   4.25 Z                      
AGPR PR HH2  A 97.1 136 110 ES  1  71.04 24.40 26.74 0.00 -2.34* 0.07S    0.002                                        
IMPR PR HHZ  A115.5 190 106 EP- 1  63.53 16.89 17.22 0.00 -0.33  1.07     0.151                                        
IMPR PR HH2  A115.5 190 106 ES  1  76.15 29.51 30.65 0.00 -1.14* 1.07S    0.358                                        
PRSN PR HHZ  A116.8 147 106 EP- 1  63.55 16.91 17.38 0.00 -0.47  1.07     0.042                                        
LSP  PR HHZ  A124.1 145 105 EP- 1  64.67 18.03 18.27 0.00 -0.24  1.07     0.045                                        
LSP  PR HH2  A124.1 145 105 ES  1  79.41 32.77 32.52 0.00  0.25  1.07S    0.155                                        
AOPR PR HHZ  A134.0 128 104 EP+ 1  65.35 18.71 19.48 0.00 -0.77* 1.07     0.073 0.55 204   4.40 Z                      
AOPR PR HH2  A134.0 128 104 ES  1  80.86 34.22 34.67 0.00 -0.45  1.07S    0.202                                        
CRPR PR HHZ  A138.8 151 103 EP+ 1  65.95 19.31 20.07 0.00 -0.76* 1.07     0.079 0.55 166   4.22 Z                      
CRPR PR HH2  A138.8 151 103 ES  3  84.28 37.64 35.72 0.00  1.92* 0.16S    0.004                                        
UUPR PR HHZ  A143.4 130 103 EP- 1  67.02 20.38 20.64 0.00 -0.26  1.07     0.064                                        
UUPR PR HH2  A143.4 130 103 ES  1  82.93 36.29 36.74 0.00 -0.45  1.07S    0.139                                        
EMPR PR HHZ  A145.7 118 102 EP- 1  67.75 21.11 20.92 0.00  0.19  1.07     0.122 0.55 232   4.53 Z                      
EMPR PR HH1  A145.7 118 102 ES  1  84.35 37.71 37.24 0.00  0.47  1.07S    0.297                                        
MLPR PR HHZ  A145.8 149 102 EP- 1  67.05 20.41 20.93 0.00 -0.52* 1.07     0.086 0.55 108   3.83 Z                      
MLPR PR HH2  A145.8 149 102 ES  1  84.59 37.95 37.26 0.00  0.69* 1.07S    0.194                                        
GBPR PR HHZ  A154.9 143 102 EP- 1  68.99 22.35 22.05 0.00  0.30  1.07     0.082 0.58 226   4.49 Z                      
GBPR PR HH1  A154.9 143 102 ES  1  86.44 39.80 39.25 0.00  0.55* 1.07S    0.161                                        
CELP PR HHZ  A167.7 132 101 EP+ 1  70.12 23.48 23.64 0.00 -0.16  1.07     0.076 0.55 185   4.35 Z                      
CELP PR HH2  A167.7 132 101 ES  1  88.94 42.30 42.08 0.00  0.22  1.07S    0.109                                        
OBIP PR BHZ  A168.1 134 101 EP+ 1  70.41 23.77 23.69 0.00  0.08  1.07     0.079                                        
OBIP PR BHE  A168.1 134 101 ES  1  89.44 42.80 42.17 0.00  0.63* 1.07S    0.117                                        
SJG  IU BHZ  A201.0 122  99 EP- 1  74.98 28.34 27.79 0.00  0.55* 1.07     0.102                                        
SJG  IU BH2  A201.0 122  99 ES  3  99.03 52.39 49.47 0.00  2.92* 0.00S    0.000                                        
IGPR PR HHZ  A214.0 125  98 EP- 1  76.76 30.12 29.42 0.00  0.70* 1.07     0.110                                        
HUMP PR HHZ  A226.7 117  97 EP+ 1  78.60 31.96 31.01 0.00  0.95* 1.07     0.123                                        
   5 UNWEIGHTED STATIONS NOT PRINTED.                                                                                  

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