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: III in Lajas, PR
Date: December 21, 2022 21:40:04 UTC
December 21, 2022 17:40:04 Hora Local
Region: South Region of Puerto Rico
Distances: 6.86 Km Southeast of Lajas,PR
9.95 Km West-Southeast of Guánica,PR
28.65 Km South-Southeast of Mayagüez,PR
Magnitude: 3.12 Md
Location: Latitude: 17.9676 Longitude: -67.0001
Depth: 6 Km
Tsunami Warning Level: No Warning, Advisory or Watch is in effect for Puerto Rico and the Virgin Islands
Issued Date & Time 2022-12-21 18:01:28
ID: 20221221214004

Epicentral Map

Epicentral Map (PRSN), Last Modified: 2022-12-21 18:01:34 Hora Local.
BULLETIN 1
Seismic Event/Tsunami
DATE: December 21, 2022
LOCAL TIME: 17:40:04
LATITUDE: 17.9676 N
LONGITUDE: 67.0001 W
LOCATION: 6.9 Km Southeast of Lajas,PR
28.6 Km South-Southeast of Mayagüez,PR
DEPTH: 6 Km
MAGNITUDE: 3.12 Md
ESTIMATED MAXIMUM INTENSITY: III in Lajas, PR
TSUNAMI ALERT LEVEL: No Warning, Advisory or Watch is in effect for Puerto Rico and the Virgin Islands
DATE & ISSUED TIME 2022-12-21 18:01:34
The Puerto Rico Seismic Network (PRSN) received information that this minor earthquake was reported as felt in Lajas 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                            
2022-12-21  2140  4.45  17 58.06   67  0.01   6.78  0.11  0.46  0.21        3.12  3.12D 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                         
  45   45   4.7  PR1  187  16  23  26  10  45     Q  PPY   0.00  0.00     18.00  0.17 D                                
                                                                                                                       
XMAG2-N.XMG2-XMMAD-T-S  FMAG2-N.FMG2-FMMAD-T-S  PREF.MAG-N.PMAG-PRMAD-T                                                
                         3.12  18.00  0.17 Z        3.12  18.00  0.17 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  
MLPR PR HHZ  A  4.7 273 142 IPU     6.17  1.72  1.62 0.00  0.10  1.71     0.371 0.55  59   2.90 Z                      
MLPR PR HH2  A  4.7 273 142 ES  1   7.20  2.75  2.88 0.00 -0.13  0.86S    0.169                                        
PR01 GS HHZ  A 10.3 316 118 EP+ 2   6.87  2.42  2.41 0.00  0.01  0.34     0.009                                        
PR01 GS HH1  A 10.3 316 118 ES  2   8.40  3.95  4.29 0.00 -0.34  0.09S    0.002                                        
CRPR PR HHZ  A 12.4 291 113 IPU     7.13  2.68  2.74 0.00 -0.06  1.71     0.278 0.55  69   3.09 Z                      
CRPR PR HH2  A 12.4 291 113 ES  1   9.13  4.68  4.88 0.00 -0.20  0.86S    0.131                                        
PR03 GS HHZ  A 12.8  31 113 IPD     7.11  2.66  2.81 0.00 -0.15  1.71     0.413 0.55  59   2.95 Z                      
PR03 GS HH2  A 12.8  31 113 ES  1   9.06  4.61  5.00 0.00 -0.39  0.00S    0.000                                        
GBPR PR HHZ  A 12.8  86 112 IPD     7.29  2.84  2.82 0.00  0.02  1.71     0.260 0.58  58   2.92 Z                      
GBPR PR HH1  A 12.8  86 112 ES  1   9.38  4.93  5.02 0.00 -0.09  0.86S    0.166                                        
PR05 GS HHZ  A 17.2  59 106 EP- 1   7.95  3.50  3.56 0.00 -0.06  0.86     0.063                                        
PR05 GS HH2  A 17.2  59 106 ES  1  11.01  6.56  6.34 0.00  0.22  0.86S    0.278                                        
LSP  PR HHZ  A 24.7 339  57 IPU     9.15  4.70  4.86 0.00 -0.16  1.71     0.176 0.58  70   3.16 Z                      
LSP  PR HH2  A 24.7 339  57 ES  1  13.20  8.75  8.65 0.00  0.10  0.86S    0.145                                        
PR02 GS HHZ  A 24.9  78  57 IPD     9.44  4.99  4.88 0.00  0.11  1.71     0.256 0.55  34   2.52 Z                      
PR02 GS HH2  A 24.9  78  57 ES  1  13.21  8.76  8.69 0.00  0.07  0.86S    0.100                                        
PR06 GS HHZ  A 30.8  71  57 EP- 1  10.13  5.68  5.79 0.00 -0.11  0.86     0.050                                        
PR06 GS HH1  A 30.8  71  57 ES  1  14.59 10.14 10.31 0.00 -0.17  0.86S    0.085                                        
PRSN PR HHZ  A 31.6 332  57 EP+ 1  10.29  5.84  5.92 0.00 -0.08  0.86     0.048 0.55  39   2.69 Z                      
PRSN PR HH1  A 31.6 332  57 ES  1  15.20 10.75 10.54 0.00  0.21  0.86S    0.138                                        
UUPR PR HHZ  A 43.3  43  57 EP- 1  12.06  7.61  7.71 0.00 -0.10  0.86     0.030 0.55  60   3.14 Z                      
UUPR PR HH1  A 43.3  43  57 ES  1  17.64 13.19 13.72 0.00 -0.53* 0.00S    0.000                                        
CELP PR HHZ  A 46.1  75  57 IPD    12.54  8.09  8.15 0.00 -0.06  1.71     0.229 0.55  72   3.31 Z                      
CELP PR HH1  A 46.1  75  57 ES  1  18.85 14.40 14.51 0.00 -0.11  0.86S    0.092                                        
AOPR PR HHZ  A 49.4  31  57 IPD    13.10  8.65  8.65 0.00  0.00  1.71     0.127 0.55  76   3.36 Z                      
AOPR PR HH2  A 49.4  31  57 ES  1  19.38 14.93 15.40 0.00 -0.47  0.00S    0.000                                        
AGPR PR HHZ  A 56.6 349  57 IPU    14.35  9.90  9.75 0.00  0.15  1.69     0.158 0.55  65   3.23 Z                      
AGPR PR HH2  A 56.6 349  57 ES  1  21.82 17.37 17.35 0.00  0.02  0.84S    0.153                                        
IDE  PR EHZ  A 67.6 314  57 EP+ 1  15.95 11.50 11.46 0.00  0.04  0.69     0.046                                        
IDE  PR EHN  A 67.6 314  57 ES  1  25.37 20.92 20.40 0.00  0.52* 0.00S    0.000                                        
EMPR PR HHZ  A 75.2  41  50 EP- 1  17.56 13.11 12.54 0.00  0.57* 0.00     0.000 0.55  49   2.99 Z                      
EMPR PR HH1  A 75.2  41  50 ES  1  27.27 22.82 22.32 0.00  0.50  0.00S    0.000                                        
ECPR PR HHZ  A 77.8  59  50 EP- 1  17.42 12.97 12.91 0.00  0.06  0.45     0.012 0.55  58   3.15 Z                      
ECPR PR HH2  A 77.8  59  50 ES  1  26.55 22.10 22.98 0.00 -0.88* 0.00S    0.000                                        
SJG  IU BHZ  A 91.4  79  44 EP- 2  19.48 15.03 14.70 0.00  0.33  0.02     0.000 0.73  53   2.95 Z                      
SJG  IU BH1  A 91.4  79  44 ES  2  31.58 27.13 26.17 0.00  0.96* 0.00S    0.000                                        
IGPR PR HHZ  A 94.6  90  44 EP- 2  20.08 15.63 15.10 0.00  0.53* 0.00     0.000 0.55  54   3.10 Z                      
IGPR PR HH1  A 94.6  90  44 ES  2  31.90 27.45 26.88 0.00  0.57* 0.00S    0.000                                        
GCPR PR HHZ  A104.1  68  44 EP+ 1  21.43 16.98 16.30 0.00  0.68* 0.00     0.000 0.55  55   3.13 Z                      
GCPR PR HH1  A104.1  68  44 ES  1  33.65 29.20 29.01 0.00  0.19  0.00S    0.000                                        
HUMP PR HHZ  A123.4  80  44 EP- 3  24.46 20.01 18.75 0.00  1.26* 0.00     0.000                                        
MTP  PR HHZ  A154.0  84  44 EP+ 3  29.10 24.65 22.61 0.00  2.04* 0.00     0.000 0.55  77   3.49 Z                      
MTP  PR HH1  A154.0  84  44 ES  3  48.44 43.99 40.25 0.00  3.74* 0.00S    0.000                                        
CUPR PR HHZ  A185.6  78  44 EP- 3  34.47 30.02 26.62 0.00  3.40* 0.00     0.000 0.55  74   3.49 Z                      
CUPR PR HH2  A185.6  78  44 ES  3  55.21 50.76 47.38 0.00  3.38* 0.00S    0.000                                        

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