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 Mayagüez, PR
Date: March 16, 2023 21:57:24 UTC
March 16, 2023 17:57:24 Hora Local
Region: West Region of Puerto Rico
Distances: 4.08 Km East-Southeast of Hormigueros,PR
5.31 Km West-Northwest of San Germán,PR
8.95 Km South-Southeast of Mayagüez,PR
Magnitude: 3.35 Md
Location: Latitude: 18.128 Longitude: -67.083
Depth: 14 Km
Tsunami Warning Level: No Warning, Advisory or Watch is in effect for Puerto Rico and the Virgin Islands
Issued Date & Time 2023-03-16 18:21:06
ID: 20230316215723

Epicentral Map

Epicentral Map (PRSN), Last Modified: 2023-03-16 18:21:11 Hora Local.
BULLETIN 2
Seismic Event/Tsunami
DATE: March 16, 2023
LOCAL TIME: 17:57:24
LATITUDE: 18.128 N
LONGITUDE: 67.083 W
LOCATION: 4.1 Km East-Southeast of Hormigueros,PR
9 Km South-Southeast of Mayagüez,PR
DEPTH: 14 Km
MAGNITUDE: 3.35 Md
ESTIMATED MAXIMUM INTENSITY: IV in Mayagüez, PR
TSUNAMI ALERT LEVEL: No Warning, Advisory or Watch is in effect for Puerto Rico and the Virgin Islands
DATE & ISSUED TIME 2023-03-16 18:21:11
The Puerto Rico Seismic Network (PRSN) received information that this minor earthquake was reported as felt in the Western region of Puerto Rico and the Southern 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                            
2023-03-16  2157 24.31  18  7.68   67  4.98  14.66  0.22  0.42  0.87        3.35  3.35D 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                         
  39   39   5.3  PR1  114  19  19  23  11  39     Q  PPT   0.00  0.00     18.00  0.09 D                                
                                                                                                                       
XMAG2-N.XMG2-XMMAD-T-S  FMAG2-N.FMG2-FMMAD-T-S  PREF.MAG-N.PMAG-PRMAD-T                                                
                         3.35  18.00  0.09 Z        3.35  18.00  0.09 D                                                

REGION= Western 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  
LSP  PR HHZ  A  5.3 357 155 EP+ 1  27.21  2.90  2.73 0.00  0.17  1.01     0.123 0.58 103   3.39 Z                      
LSP  PR HH1  A  5.3 357 155 ES  1  29.62  5.31  4.86 0.00  0.45  1.01S    0.505                                        
PRSN PR HHZ  A 11.9 327 130 EP+ 1  27.57  3.26  3.29 0.00 -0.03  1.01     0.087                                        
PRSN PR HH2  A 11.9 327 130 ES  1  29.96  5.65  5.86 0.00 -0.21  1.01S    0.270                                        
CRPR PR HHZ  A 13.7 192 125 EP- 1  27.76  3.45  3.50 0.00 -0.05  1.01     0.143 0.55  77   3.20 Z                      
CRPR PR HH2  A 13.7 192 125 ES  1  30.17  5.86  6.23 0.00 -0.37  1.01S    0.293                                        
MLPR PR HHZ  A 18.0 166 113 EP+ 1  28.23  3.92  4.02 0.00 -0.10  1.01     0.131 0.55  77   3.23 Z                      
MLPR PR HH2  A 18.0 166 113 ES  1  31.18  6.87  7.16 0.00 -0.29  1.01S    0.247                                        
GBPR PR HHZ  A 27.4 128  96 EP+ 1  29.82  5.51  5.30 0.00  0.21  1.01     0.104 0.58  77   3.26 Z                      
GBPR PR HH2  A 27.4 128  96 ES  1  34.40 10.09  9.43 0.00  0.66* 0.46S    0.037                                        
AGPR PR HHZ  A 37.7 356  92 IPU    31.12  6.81  6.75 0.00  0.06  2.03     0.362 0.55  71   3.27 Z                      
AGPR PR HH1  A 37.7 356  92 ES  1  36.05 11.74 12.01 0.00 -0.27  1.01S    0.171                                        
UUPR PR HHZ  A 40.8  70  92 EP- 1  31.52  7.21  7.19 0.00  0.02  1.01     0.071 0.55  86   3.46 Z                      
UUPR PR HH1  A 40.8  70  92 ES  1  36.66 12.35 12.80 0.00 -0.45  1.01S    0.182                                        
AOPR PR HHZ  A 42.4  55  91 EP+ 1  31.83  7.52  7.41 0.00  0.11  1.01     0.071 0.55 104   3.64 Z                      
AOPR PR HH2  A 42.4  55  91 ES  1  37.16 12.85 13.19 0.00 -0.34  1.01S    0.189                                        
IDE  PR EHZ  A 49.6 306  91 EP+ 1  32.85  8.54  8.42 0.00  0.12  1.01     0.187 0.58  69   3.25 Z                      
IDE  PR EHE  A 49.6 306  91 ES  1  39.31 15.00 14.99 0.00  0.01  1.01S    0.316                                        
OBIP PR BHZ  A 51.4 100  91 EP- 1  33.12  8.81  8.67 0.00  0.14  1.01     0.083 0.87  83   3.24 Z                      
OBIP PR BHN  A 51.4 100  91 ES  1  39.93 15.62 15.43 0.00  0.19  1.01S    0.164                                        
CELP PR HHZ  A 53.7  96  91 EP- 1  33.44  9.13  9.00 0.00  0.13  1.01     0.081 0.55  73   3.33 Z                      
CELP PR HH1  A 53.7  96  91 ES  1  40.15 15.84 16.02 0.00 -0.18  1.01S    0.164                                        
EMPR PR HHZ  A 70.1  56  63 EP- 1  36.47 12.16 11.28 0.00  0.88* 0.00     0.000 0.55  69   3.29 Z                      
EMPR PR HH1  A 70.1  56  63 ES  1  45.36 21.05 20.08 0.00  0.97* 0.00S    0.000                                        
ECPR PR HHZ  A 79.1  74  63 EP+ 1  37.38 13.07 12.41 0.00  0.66* 0.22     0.007 0.55  78   3.42 Z                      
ECPR PR HH2  A 79.1  74  63 ES  1  47.91 23.60 22.09 0.00  1.51* 0.00S    0.000                                        
SJG  IU BHZ  A 98.8  90  63 EP+ 1  40.08 15.77 14.90 0.00  0.87* 0.00     0.000 0.73  83   3.37 Z                      
SJG  IU BH1  A 98.8  90  63 ES  1  51.90 27.59 26.52 0.00  1.07* 0.00S    0.000                                        
IGPR PR HHZ  A104.9  99  63 EP+ 1  41.47 17.16 15.68 0.00  1.48* 0.00     0.000 0.55  77   3.43 Z                      
IGPR PR HH1  A104.9  99  63 ES  1  53.93 29.62 27.91 0.00  1.71* 0.00S    0.000                                        
GCPR PR HHZ  A107.6  79  63 EP+ 1  41.38 17.07 16.02 0.00  1.05* 0.00     0.000 0.55  74   3.40 Z                      
GCPR PR HH2  A107.6  79  63 ES  1  54.35 30.04 28.52 0.00  1.52* 0.00S    0.000                                        
PCDR PR BHN  A143.7 288  63 ES  1  62.00 37.69 36.65 0.00  1.04* 0.00S    0.000                                        
FAPR PR HHZ  A151.2  86  63 EP+ 2  47.87 23.56 21.55 0.00  2.01* 0.00     0.000 0.55  62   3.29 Z                      
FAPR PR HH1  A151.2  86  63 ES  2  64.54 40.23 38.36 0.00  1.87* 0.00S    0.000                                        
CUPR PR HHZ  A191.5  83  63 EP- 1  53.27 28.96 26.64 0.00  2.32* 0.00     0.000 0.55  96   3.73 Z                      
CUPR PR HH1  A191.5  83  63 ES  2  75.40 51.09 47.42 0.00  3.67* 0.00S    0.000                                        
SJVI PR HHZ  A245.5  84  63 EP+ 1  60.51 36.20 33.48 0.00  2.72* 0.00     0.000 0.55 104   3.86 Z                      
SJVI PR HH1  A245.5  84  63 ES  1  87.43 63.12 59.59 0.00  3.53* 0.00S    0.000                                        

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