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 Naguabo, PR
Date: December 25, 2023 17:14:25 UTC
December 25, 2023 13:14:25 Hora Local
Region: Sombrero Seismic Zone
Distances: 62.17 Km North-Northwest of Culebra,PR
62.54 Km North-Northeast of Luquillo,PR
81.91 Km Northeast of San Juan,PR
Magnitude: 4.17 Md
Location: Latitude: 18.8533 Longitude: -65.4771
Depth: 14 Km
Tsunami Warning Level: No Warning, Advisory or Watch is in effect for Puerto Rico and the Virgin Islands
Issued Date & Time 2023-12-25 13:39:39
ID: 20231225171423

Epicentral Map

Epicentral Map (PRSN), Last Modified: 2023-12-25 13:39:45 Hora Local.
BULLETIN 2
Seismic Event/Tsunami
DATE: December 25, 2023
LOCAL TIME: 13:14:25
LATITUDE: 18.8533 N
LONGITUDE: 65.4771 W
LOCATION: 62.2 Km North-Northwest of Culebra,PR
81.9 Km Northeast of San Juan,PR
DEPTH: 14 Km
MAGNITUDE: 4.17 Md
ESTIMATED MAXIMUM INTENSITY: IV in Naguabo, PR
TSUNAMI ALERT LEVEL: No Warning, Advisory or Watch is in effect for Puerto Rico and the Virgin Islands
DATE & ISSUED TIME 2023-12-25 13:39:45
The Puerto Rico Seismic Network (PRSN) received information that this light earthquake was reported as felt in the Central region of Puerto Rico, 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, 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                            
2023-12-25  1714 25.88  18 51.20   65 28.63  14.08  0.22  0.69  1.91        4.17  4.17D 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                         
  50   50  73.0  PR1  204  13  25  40  18  50     Q  PPT   0.00  0.00     14.00  0.12 D                                
                                                                                                                       
XMAG2-N.XMG2-XMMAD-T-S  FMAG2-N.FMG2-FMMAD-T-S  PREF.MAG-N.PMAG-PRMAD-T                                                
                         4.17  14.00  0.12 Z        4.17  14.00  0.12 D                                                

REGION= Sombrero Seismic 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  
FAPR PR HHZ  A 73.0 196  63 IPD    37.46 11.58 11.67 0.00 -0.09  2.08     0.267                                        
FAPR PR HH1  A 73.0 196  63 ES  1  46.60 20.72 20.77 0.00 -0.05  1.04S    0.179                                        
STVI PR HHZ  A 78.1 135  63 EP+ 1  38.21 12.33 12.32 0.00  0.01  1.04     0.081                                        
STVI PR HH1  A 78.1 135  63 ES  1  48.18 22.30 21.93 0.00  0.37  1.04S    0.176                                        
GCPR PR HHZ  A 87.9 227  63 EP- 1  39.25 13.37 13.56 0.00 -0.19  1.04     0.037 0.55 206   4.31 Z                      
GCPR PR HH1  A 87.9 227  63 ES  1  49.96 24.08 24.14 0.00 -0.06  1.04S    0.092                                        
HUMP PR HHZ  A 88.0 207  63 EP- 1  39.39 13.51 13.57 0.00 -0.06  1.04     0.056 0.55 190   4.24 Z                      
HUMP PR HH2  A 88.0 207  63 ES  1  49.71 23.83 24.15 0.00 -0.32  1.04S    0.149                                        
TBVI PR HHZ  A102.4 117  63 EP+ 1  40.90 15.02 15.39 0.00 -0.37  1.04     0.120                                        
TBVI PR HH1  A102.4 117  63 ES  1  52.95 27.07 27.39 0.00 -0.32  1.04S    0.283                                        
SJG  IU BHZ  A108.6 221  63 EP- 1  41.97 16.09 16.18 0.00 -0.09  1.04     0.042                                        
SJG  IU BH2  A108.6 221  63 ES  1  54.86 28.98 28.80 0.00  0.18  1.04S    0.106                                        
IGPR PR HHZ  A118.7 215  63 EP- 1  43.13 17.25 17.46 0.00 -0.21  1.04     0.047                                        
IGPR PR HH1  A118.7 215  63 ES  1  56.71 30.83 31.08 0.00 -0.25  1.04S    0.124                                        
CDVI PR HHZ  A143.3 148  63 EP+ 1  46.51 20.63 20.57 0.00  0.06  1.04     0.073 0.55 180   4.25 Z                      
CDVI PR HH1  A143.3 148  63 ES  1  62.92 37.04 36.61 0.00  0.43  1.04S    0.165                                        
CELP PR HHZ  A144.8 234  63 IPD    46.66 20.78 20.77 0.00  0.01  2.08     0.143 0.55 190   4.30 Z                      
CELP PR HH2  A144.8 234  63 ES  1  62.67 36.79 36.97 0.00 -0.18  1.04S    0.084                                        
UUPR PR HHZ  A147.1 244  63 EP- 1  46.76 20.88 21.06 0.00 -0.18  1.04     0.041 0.55 142   4.04 Z                      
UUPR PR HH1  A147.1 244  63 ES  2  64.23 38.35 37.49 0.00  0.86* 0.00S    0.000                                        
OBIP PR HHZ  A149.2 234  63 EP- 1  47.21 21.33 21.33 0.00  0.00  1.04     0.035 0.44 123   4.01 Z                      
OBIP PR HH1  A149.2 234  63 ES  2  63.12 37.24 37.97 0.00 -0.73* 0.12S    0.001                                        
ICMP PR HHZ  A154.1 227  63 EP- 1  48.18 22.30 21.95 0.00  0.35  1.04     0.037 0.55 150   4.10 Z                      
ICMP PR HH1  A154.1 227  63 ES  1  66.75 40.87 39.07 0.00  1.80* 0.00S    0.000                                        
GBPR PR HHZ  A177.2 237  63 EP+ 1  51.28 25.40 24.87 0.00  0.53* 1.04     0.036 0.58 204   4.38 Z                      
GBPR PR HH1  A177.2 237  63 ES  1  70.92 45.04 44.27 0.00  0.77* 0.13S    0.001                                        
AGPR PR HHZ  A177.6 257  63 EP- 1  50.58 24.70 24.92 0.00 -0.22  1.04     0.067 0.55 143   4.08 Z                      
AGPR PR HH1  A177.6 257  63 ES  1  69.94 44.06 44.36 0.00 -0.30  1.04S    0.175                                        
LSP  PR HHZ  A185.7 247  63 EP+ 1  51.88 26.00 25.94 0.00  0.06  1.04     0.045 0.58 144   4.07 Z                      
LSP  PR HH1  A185.7 247  63 ES  1  72.46 46.58 46.17 0.00  0.41  1.04S    0.109                                        
PRSN PR HHZ  A189.6 249  63 EP+ 1  52.20 26.32 26.44 0.00 -0.12  1.04     0.048 0.55 127   3.98 Z                      
PRSN PR HH1  A189.6 249  63 ES  1  72.68 46.80 47.06 0.00 -0.26  1.04S    0.118                                        
MLPR PR HHZ  A192.3 240  63 EP- 1  52.90 27.02 26.78 0.00  0.24  1.04     0.037 0.55 137   4.05 Z                      
MLPR PR HH1  A192.3 240  63 ES  1  74.19 48.31 47.67 0.00  0.64* 0.83S    0.056                                        
CRPR PR HHZ  A196.3 242  63 IPD    53.29 27.41 27.29 0.00  0.12  2.08     0.156 0.55 176   4.29 Z                      
CRPR PR HH1  A196.3 242  63 ES  1  74.41 48.53 48.58 0.00 -0.05  1.04S    0.092                                        
IDE  PR EHZ  A216.3 257  63 EP+ 1  55.56 29.68 29.81 0.00 -0.13  1.04     0.067                                        
IDE  PR EHN  A216.3 257  63 ES  1  78.90 53.02 53.06 0.00 -0.04  1.04S    0.175                                        
SMRT NA BHZ  A269.0 108  63 EP+ 1  61.64 35.76 36.48 0.00 -0.72* 0.34     0.016                                        
SMRT NA BHN  A269.0 108  63 ES  1  89.69 63.81 64.93 0.00 -1.12* 0.00S    0.000                                        
SABA NA BHZ  A273.0 119  63 EP+ 1  62.93 37.05 36.99 0.00  0.06  1.03     0.111                                        
SABA NA BHN  A273.0 119  63 ES  1  91.70 65.82 65.84 0.00 -0.02  1.03S    0.258                                        
PCDR PR BHZ  A308.7 264  63 EP+ 1  67.67 41.79 41.51 0.00  0.28  0.93     0.074 0.55 150   4.27 Z                      
SMDR PR BHZ  A393.8 278  63 EP+ 3  77.76 51.88 52.28 0.00 -0.40  0.09     0.001                                        
SMDR PR BHN  A393.8 278  63 ES  2 116.31 90.43 93.06 0.00 -2.63* 0.00S    0.000                                        
SDD  DR BHN  A470.8 266  63 ES  1 135.94110.06110.41 0.00 -0.35  0.06S    0.000                                        
ABD  WI BHN  A498.8 121  63 ES  3 141.48115.60116.73 0.00 -1.13* 0.00S    0.000                                        
DSD  WI BHZ  A546.6 120  63 EP+ 3  96.56 70.68 71.63 0.00 -0.95* 0.00     0.000                                        
SDDR CU BHZ  A613.2 273  63 EP+ 1 106.49 80.61 80.06 0.00  0.55* 0.00     0.000                                        
SDDR CU BH1  A613.2 273  63 ES  1 166.42140.54142.51 0.00 -1.97* 0.00S    0.000                                        

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