No Warning, Advisory or Watch is in effect for Puerto Rico and the Virgin Islands.


Earthquake Information



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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: III in San Germán, PR
Date: December 07, 2023 00:33:40 UTC
December 06, 2023 20:33:40 Hora Local
Region: South Region of Puerto Rico
Distances: 5.32 Km South-Southeast of Guánica,PR
14.43 Km East-Southeast of Lajas,PR
34.55 Km South-Southeast of Mayagüez,PR
Magnitude: 3.53 Md
Location: Latitude: 17.945 Longitude: -66.9295
Depth: 16 Km
Tsunami Warning Level: No Warning, Advisory or Watch is in effect for Puerto Rico and the Virgin Islands
Issued Date & Time 2023-12-07 08:49:40
ID: 20231207003339

Epicentral Map

Epicentral Map (PRSN), Last Modified: 2023-12-07 08:49:40 Hora Local.
BULLETIN 2
Seismic Event/Tsunami
DATE: December 06, 2023
LOCAL TIME: 20:33:40
LATITUDE: 17.945 N
LONGITUDE: 66.9295 W
LOCATION: 5.3 Km South-Southeast of Guánica,PR
34.5 Km South-Southeast of Mayagüez,PR
DEPTH: 16 Km
MAGNITUDE: 3.53 Md
ESTIMATED MAXIMUM INTENSITY: III in San Germán, PR
TSUNAMI ALERT LEVEL: No Warning, Advisory or Watch is in effect for Puerto Rico and the Virgin Islands
DATE & ISSUED TIME 2023-12-07 08:49:40
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 III (Modified Mercalli Scale, MM). At the moment of generating this bulletin no damages has been reported, but given the size and location this can not be ruled out

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                            
2023-12-07  0033 40.10  17 56.70   66 55.77  16.54  0.09  0.84  0.53        3.53  3.53D III                            
                                                                                         SOURCE                        
NSTA NPHS  DMIN MODEL GAP ITR NFM NWR NWS NVR REMRKS-AVH  N.XMG-XMMAD-T   N.FMG-FMMAD-T  L F X                         
  34   34   6.3  PR1  211  15  17  15   7  34     Q  PPY   0.00  0.00     11.00  0.09 D                                
                                                                                                                       
XMAG2-N.XMG2-XMMAD-T-S  FMAG2-N.FMG2-FMMAD-T-S  PREF.MAG-N.PMAG-PRMAD-T                                                
                         3.53  11.00  0.09 Z        3.53  11.00  0.09 D                                                

REGION= Southern 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  
GBPR PR HHZ  A  6.3  58 155 IPD    43.15  3.05  3.03 0.00  0.02  1.36     0.349                                        
GBPR PR HH1  A  6.3  58 155 ES  1  45.69  5.59  5.39 0.00  0.20  0.68S    0.415                                        
MLPR PR HHZ  A 12.4 283 135 IPU    43.60  3.50  3.53 0.00 -0.03  1.36     0.527                                        
MLPR PR HH1  A 12.4 283 135 ES  1  46.21  6.11  6.28 0.00 -0.17  0.68S    0.199                                        
LSP  PR HHZ  A 30.4 328 103 IPU    45.88  5.78  5.77 0.00  0.01  1.36     0.241                                        
LSP  PR HH1  A 30.4 328 103 ES  1  50.50 10.40 10.27 0.00  0.13  0.68S    0.290                                        
OBIP PR HHZ  A 35.9  72  99 IPD    46.53  6.43  6.53 0.00 -0.10  1.36     0.266                                        
OBIP PR HH1  A 35.9  72  99 ES  1  51.67 11.57 11.62 0.00 -0.05  0.68S    0.153                                        
PRSN PR HHZ  A 37.8 323  98 IPU    46.82  6.72  6.79 0.00 -0.07  1.36     0.284 0.55  76   3.34 Z                      
PRSN PR HH1  A 37.8 323  98 ES  1  52.17 12.07 12.09 0.00 -0.02  0.68S    0.239                                        
CELP PR HHZ  A 39.8  68  97 IPD    47.16  7.06  7.07 0.00 -0.01  1.36     0.240                                        
CELP PR HH1  A 39.8  68  97 ES  1  52.74 12.64 12.58 0.00  0.06  0.68S    0.165                                        
UUPR PR HHZ  A 40.6  33  97 IPD    47.15  7.05  7.19 0.00 -0.14  1.36     0.247 0.55  93   3.53 Z                      
UUPR PR HH2  A 40.6  33  97 ES  1  52.30 12.20 12.80 0.00 -0.60* 0.00S    0.000                                        
ECPR PR HHZ  A 72.9  55  63 IPD    51.77 11.67 11.51 0.00  0.16  0.92     0.271 0.55  77   3.40 Z                      
ECPR PR HH2  A 72.9  55  63 ES  1  60.77 20.67 20.49 0.00  0.18  0.46S    0.106                                        
IDE  PR EHZ  A 74.9 311  63 IPD    52.21 12.11 11.76 0.00  0.35  0.00     0.000 0.58  91   3.53 Z                      
IDE  PR EHE  A 74.9 311  63 ES  1  61.81 21.71 20.93 0.00  0.78* 0.00S    0.000                                        
SJG  IU BHZ  A 84.6  77  63 EP+ 1  53.82 13.72 12.99 0.00  0.73* 0.00     0.000 0.73  92   3.45 Z                      
SJG  IU BH2  A 84.6  77  63 ES  1  63.86 23.76 23.12 0.00  0.64* 0.00S    0.000                                        
IGPR PR HHZ  A 87.2  88  63 EP- 1  54.31 14.21 13.32 0.00  0.89* 0.00     0.000 0.55  88   3.54 Z                      
IGPR PR HH2  A 87.2  88  63 ES  1  64.66 24.56 23.71 0.00  0.85* 0.00S    0.000                                        
GCPR PR HHZ  A 98.2  65  63 EP- 1  55.38 15.28 14.71 0.00  0.57* 0.00     0.000 0.55  91   3.58 Z                      
GCPR PR HH2  A 98.2  65  63 ES  1  67.05 26.95 26.18 0.00  0.77* 0.00S    0.000                                        
HUMP PR HHZ  A116.5  79  63 EP- 1  58.35 18.25 17.03 0.00  1.22* 0.00     0.000 0.55  93   3.62 Z                      
HUMP PR HH2  A116.5  79  63 ES  1  72.25 32.15 30.31 0.00  1.84* 0.00S    0.000                                        
FAPR PR HHZ  A138.1  77  63 EP- 1  62.78 22.68 19.76 0.00  2.92* 0.00     0.000                                        
FAPR PR HH1  A138.1  77  63 ES  2  77.67 37.57 35.17 0.00  2.40* 0.00S    0.000                                        
PCDR PR BHZ  A166.0 293  63 EP+ 2  65.88 25.78 23.29 0.00  2.49* 0.00     0.000 0.55  93   3.67 Z                      
PCDR PR BHE  A166.0 293  63 ES  2  87.04 46.94 41.46 0.00  5.48* 0.00S    0.000                                        
STVI PR HHZ  A213.6  77  63 EP+ 1  72.80 32.70 29.33 0.00  3.37* 0.00     0.000 0.55 106   3.84 Z                      
STVI PR HH1  A213.6  77  63 ES  2  97.62 57.52 52.21 0.00  5.31* 0.00S    0.000                                        
TBVI PR HHZ  A250.0  77  63 EP- 2  77.83 37.73 33.92 0.00  3.81* 0.00     0.000 0.00 105   3.02 Z                      
TBVI PR HH2  A250.0  77  63 ES  2 103.62 63.52 60.38 0.00  3.14* 0.00S    0.000                                        

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