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 Lajas, PR
Date: January 01, 2023 09:06:48 UTC
January 01, 2023 05:06:48 Hora Local
Region: South Region of Puerto Rico
Distances: 7.01 Km South of Guánica,PR
16.92 Km Southeast of Lajas,PR
36.39 Km West-Southeast of Ponce,PR
Magnitude: 3.81 Md
Location: Latitude: 17.9266 Longitude: -66.9146
Depth: 14 Km
Tsunami Warning Level: No Warning, Advisory or Watch is in effect for Puerto Rico and the Virgin Islands
Issued Date & Time 2023-01-01 05:37:19
ID: 20230101090647

Epicentral Map

Epicentral Map (PRSN), Last Modified: 2023-01-01 05:37:26 Hora Local.
BULLETIN 2
Seismic Event/Tsunami
DATE: January 01, 2023
LOCAL TIME: 05:06:48
LATITUDE: 17.9266 N
LONGITUDE: 66.9146 W
LOCATION: 7 Km South of Guánica,PR
36.4 Km West-Southeast of Ponce,PR
DEPTH: 14 Km
MAGNITUDE: 3.81 Md
ESTIMATED MAXIMUM INTENSITY: IV in Lajas, PR
TSUNAMI ALERT LEVEL: No Warning, Advisory or Watch is in effect for Puerto Rico and the Virgin Islands
DATE & ISSUED TIME 2023-01-01 05:37:26
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, 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                            
2023-01-01  0906 48.15  17 55.60   66 54.88  14.21  0.12  0.65  0.52        3.81  3.81D 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                         
  49   49   6.5  PR1  225  16  27  26  11  49     Q  PPY   0.00  0.00     22.00  0.13 D                                
                                                                                                                       
XMAG2-N.XMG2-XMMAD-T-S  FMAG2-N.FMG2-FMMAD-T-S  PREF.MAG-N.PMAG-PRMAD-T                                                
                         3.81  22.00  0.13 Z        3.81  22.00  0.13 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  6.5  34 149 IPD    50.98  2.83  2.75 0.00  0.08  1.36     0.293 0.58 138   3.67 Z                      
GBPR PR HH1  A  6.5  34 149 ES  1  53.10  4.95  4.89 0.00  0.06  0.68S    0.243                                        
PR05 GS HHZ  A 14.5  23 120 IPD    51.73  3.58  3.55 0.00  0.03  1.36     0.116                                        
PR05 GS HH1  A 14.5  23 120 ES  1  54.70  6.55  6.32 0.00  0.23  0.68S    0.192                                        
MLPR PR HHZ  A 14.5 290 120 IPU    51.68  3.53  3.55 0.00 -0.02  1.36     0.284 0.55 123   3.63 Z                      
MLPR PR HH2  A 14.5 290 120 ES  1  54.40  6.25  6.32 0.00 -0.07  0.68S    0.129                                        
PR03 GS HHZ  A 15.7 352 117 IPD    51.69  3.54  3.70 0.00 -0.16  1.36     0.108 0.55 106   3.50 Z                      
PR03 GS HH2  A 15.7 352 117 ES  1  54.42  6.27  6.59 0.00 -0.32  0.46S    0.094                                        
PR02 GS HHZ  A 18.1  58 110 IPD    52.22  4.07  4.00 0.00  0.07  1.36     0.160 0.55  85   3.32 Z                      
PR02 GS HH1  A 18.1  58 110 ES  1  55.48  7.33  7.12 0.00  0.21  0.68S    0.098                                        
PR01 GS HHZ  A 20.1 307 105 IPU    52.28  4.13  4.28 0.00 -0.15  1.36     0.144                                        
PR01 GS HH1  A 20.1 307 105 ES  1  55.22  7.07  7.62 0.00 -0.55* 0.00S    0.000                                        
CRPR PR HHZ  A 22.5 294  99 IPU    52.80  4.65  4.60 0.00  0.05  1.36     0.243 0.55 127   3.71 Z                      
CRPR PR HH2  A 22.5 294  99 ES  1  56.04  7.89  8.19 0.00 -0.30  0.58S    0.063                                        
PR06 GS HHZ  A 24.7  54  94 IPD    52.94  4.79  4.91 0.00 -0.12  1.36     0.155 0.55  88   3.39 Z                      
PR06 GS HH2  A 24.7  54  94 ES  1  56.65  8.50  8.74 0.00 -0.24  0.68S    0.090                                        
LSP  PR HHZ  A 33.0 327  91 IPU    54.28  6.13  6.08 0.00  0.05  1.36     0.129 0.58 133   3.80 Z                      
LSP  PR HH1  A 33.0 327  91 ES  1  59.10 10.95 10.82 0.00  0.13  0.68S    0.144                                        
CELP PR HHZ  A 39.1  65  90 IPD    55.03  6.88  6.95 0.00 -0.07  1.36     0.246 0.55 122   3.78 Z                      
CELP PR HH1  A 39.1  65  90 ES  1  60.44 12.29 12.37 0.00 -0.08  0.68S    0.091                                        
PRSN PR HHZ  A 40.4 323  90 IPU    55.30  7.15  7.12 0.00  0.03  1.36     0.138 0.55 100   3.60 Z                      
PRSN PR HH2  A 40.4 323  90 ES  1  60.75 12.60 12.67 0.00 -0.07  0.68S    0.133                                        
UUPR PR HHZ  A 41.6  29  90 IPD    55.40  7.25  7.29 0.00 -0.04  1.36     0.126 0.55 113   3.71 Z                      
UUPR PR HH2  A 41.6  29  90 ES  1  60.55 12.40 12.98 0.00 -0.58* 0.00S    0.000                                        
AOPR PR HHZ  A 49.5  20  90 IPD    56.48  8.33  8.41 0.00 -0.08  1.36     0.129 0.55 138   3.90 Z                      
AOPR PR HH1  A 49.5  20  90 ES  1  62.59 14.44 14.97 0.00 -0.53* 0.00S    0.000                                        
AGPR PR HHZ  A 63.4 341  90 IPD    58.77 10.62 10.36 0.00  0.26  1.22     0.106 0.55 123   3.81 Z                      
AGPR PR HH1  A 63.4 341  90 ES  1  66.66 18.51 18.44 0.00  0.07  0.61S    0.150                                        
ECPR PR HHZ  A 72.8  53  63 IPD    59.93 11.78 11.64 0.00  0.14  0.92     0.182 0.55 144   3.97 Z                      
ECPR PR HH1  A 72.8  53  63 ES  3  68.08 19.93 20.72 0.00 -0.79* 0.00S    0.000                                        
IDE  PR EHZ  A 77.4 312  63 IPD    60.85 12.70 12.22 0.00  0.48  0.00     0.000                                        
IDE  PR EHE  A 77.4 312  63 ES  1  70.64 22.49 21.75 0.00  0.74* 0.00S    0.000                                        
SJG  IU BHZ  A 83.5  75  63 IPD    61.65 13.50 13.00 0.00  0.50  0.00     0.000 0.73 103   3.55 Z                      
SJG  IU BH1  A 83.5  75  63 ES  1  72.07 23.92 23.14 0.00  0.78* 0.00S    0.000                                        
IGPR PR HHZ  A 85.7  86  63 IPU    62.23 14.08 13.27 0.00  0.81* 0.00     0.000 0.55 129   3.88 Z                      
IGPR PR HH1  A 85.7  86  63 ES  1  73.00 24.85 23.62 0.00  1.23* 0.00S    0.000                                        
GCPR PR HHZ  A 97.6  64  63 IPD    63.39 15.24 14.78 0.00  0.46  0.00     0.000 0.55 122   3.84 Z                      
GCPR PR HH1  A 97.6  64  63 ES  1  74.35 26.20 26.31 0.00 -0.11  0.03S    0.000                                        
IMPR PR HHZ  A108.9 279  63 EP- 3  65.58 17.43 16.22 0.00  1.21* 0.00     0.000                                        
HUMP PR HHZ  A115.4  77  63 EP+ 2  66.08 17.93 17.03 0.00  0.90* 0.00     0.000 0.55 131   3.93 Z                      
HUMP PR HH2  A115.4  77  63 ES  1  79.97 31.82 30.31 0.00  1.51* 0.00S    0.000                                        
MTP  PR HHZ  A145.5  82  63 EP- 3  70.68 22.53 20.84 0.00  1.69* 0.00     0.000 0.55 128   3.94 Z                      
MTP  PR HH1  A145.5  82  63 ES  3  87.19 39.04 37.10 0.00  1.94* 0.00S    0.000                                        
PCDR PR BHZ  A168.2 293  63 EP- 3  74.15 26.00 23.72 0.00  2.28* 0.00     0.000 0.55 121   3.92 Z                      
CUPR PR HHZ  A177.8  76  63 EP+ 3  76.13 27.98 24.94 0.00  3.04* 0.00     0.000 0.55 135   4.03 Z                      
CUPR PR HH2  A177.8  76  63 ES  3  96.14 47.99 44.39 0.00  3.60* 0.00S    0.000                                        
STVI PR HHZ  A212.5  76  63 EP- 3  81.58 33.43 29.33 0.00  4.10* 0.00     0.000 0.55 110   3.88 Z                      
CDVI PR HHZ  A228.8  94  63 EP- 3  80.48 32.33 31.39 0.00  0.94* 0.00     0.000 0.55 124   4.00 Z                      
SJVI PR HHZ  A231.2  78  63 EP+ 3  82.89 34.74 31.69 0.00  3.05* 0.00     0.000                                        

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