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: II in Lajas, PR
Date: November 10, 2023 22:10:50 UTC
November 10, 2023 18:10:50 Hora Local
Region: South Region of Puerto Rico
Distances: 5.23 Km East-Southeast of Lajas,PR
9.1 Km West of Guánica,PR
25.32 Km South-Southeast of Mayagüez,PR
Magnitude: 3.37 Md
Location: Latitude: 18.004 Longitude: -66.9941
Depth: 15 Km
Tsunami Warning Level: No Warning, Advisory or Watch is in effect for Puerto Rico and the Virgin Islands
Issued Date & Time 2023-11-10 18:40:41
ID: 20231110221050

Epicentral Map

Epicentral Map (PRSN), Last Modified: 2023-11-10 18:40:53 Hora Local.
BULLETIN 1
Seismic Event/Tsunami
DATE: November 10, 2023
LOCAL TIME: 18:10:50
LATITUDE: 18.004 N
LONGITUDE: 66.9941 W
LOCATION: 5.2 Km East-Southeast of Lajas,PR
25.3 Km South-Southeast of Mayagüez,PR
DEPTH: 15 Km
MAGNITUDE: 3.37 Md
ESTIMATED MAXIMUM INTENSITY: II in Lajas, PR
TSUNAMI ALERT LEVEL: No Warning, Advisory or Watch is in effect for Puerto Rico and the Virgin Islands
DATE & ISSUED TIME 2023-11-10 18:40:53
The Puerto Rico Seismic Network (PRSN) received information that this minor earthquake was reported as felt in Lajas with a maximum intensity of II (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                            
2023-11-10  2210 50.97  18  0.24   66 59.65  15.09  0.13  0.50  0.47        3.37  3.37D                                
                                                                                         SOURCE                        
NSTA NPHS  DMIN MODEL GAP ITR NFM NWR NWS NVR REMRKS-AVH  N.XMG-XMMAD-T   N.FMG-FMMAD-T  L F X                         
  26   26   6.5  PR1  131  14  13  20  10  26     Q  PPI   0.00  0.00     10.00  0.15 D                                
                                                                                                                       
XMAG2-N.XMG2-XMMAD-T-S  FMAG2-N.FMG2-FMMAD-T-S  PREF.MAG-N.PMAG-PRMAD-T                                                
                         3.37  10.00  0.15 Z        3.37  10.00  0.15 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  6.5 235 151 EP+ 1  53.68  2.71  2.86 0.00 -0.15  0.97     0.182 0.55  57   2.88 Z                      
MLPR PR HH2  A  6.5 235 151 ES  1  55.80  4.83  5.09 0.00 -0.26  0.96S    0.385                                        
GBPR PR HHZ  A 12.6 104 130 IPU    54.44  3.47  3.40 0.00  0.07  1.94     0.336 0.58  46   2.70 Z                      
GBPR PR HH1  A 12.6 104 130 ES  1  57.26  6.29  6.05 0.00  0.24  0.97S    0.197                                        
LSP  PR HHZ  A 21.3 333 108 EP+ 1  55.43  4.46  4.48 0.00 -0.02  0.97     0.095 0.58  61   3.01 Z                      
LSP  PR HH1  A 21.3 333 108 ES  1  59.11  8.14  7.97 0.00  0.17  0.97S    0.360                                        
PRSN PR HHZ  A 28.5 327  98 EP+ 1  56.18  5.21  5.46 0.00 -0.25  0.97     0.087 0.55  54   2.97 Z                      
PRSN PR HH1  A 28.5 327  98 ES  1  60.79  9.82  9.72 0.00  0.10  0.97S    0.268                                        
UUPR PR HHZ  A 40.0  46  93 IPD    57.95  6.98  7.07 0.00 -0.09  1.94     0.234 0.55  84   3.44 Z                      
UUPR PR HH2  A 40.0  46  93 ES  1  63.34 12.37 12.58 0.00 -0.21  0.97S    0.267                                        
OBIP PR HHZ  A 41.3  83  93 IPU    58.20  7.23  7.26 0.00 -0.03  1.94     0.276 0.44  78   3.47 Z                      
OBIP PR HH2  A 41.3  83  93 ES  1  63.76 12.79 12.92 0.00 -0.13  0.97S    0.127                                        
CELP PR HHZ  A 44.6  79  92 EP- 1  58.68  7.71  7.73 0.00 -0.02  0.97     0.063 0.55  87   3.48 Z                      
CELP PR HH1  A 44.6  79  92 ES  1  64.74 13.77 13.76 0.00  0.01  0.97S    0.130                                        
IDE  PR EHZ  A 65.4 311  63 IPU    61.63 10.66 10.66 0.00  0.00  1.66     0.545 0.58  73   3.32 Z                      
IDE  PR EHE  A 65.4 311  63 ES  1  70.02 19.05 18.97 0.00  0.08  0.83S    0.225                                        
EMPR PR HHZ  A 71.8  43  63 IPD    63.16 12.19 11.46 0.00  0.73* 0.00     0.000 0.55  79   3.42 Z                      
EMPR PR HH1  A 71.8  43  63 ES  1  71.66 20.69 20.40 0.00  0.29  0.59S    0.083                                        
ECPR PR HHZ  A 75.3  62  63 EP- 1  63.15 12.18 11.91 0.00  0.27  0.58     0.041 0.55  91   3.55 Z                      
ECPR PR HH1  A 75.3  62  63 ES  1  72.37 21.40 21.20 0.00  0.20  0.58S    0.081                                        
SJG  IU BHZ  A 90.2  82  63 EP+ 1  65.03 14.06 13.79 0.00  0.27  0.18     0.005                                        
SJG  IU BH1  A 90.2  82  63 ES  1  76.16 25.19 24.55 0.00  0.64* 0.00S    0.000                                        
IGPR PR HHZ  A 94.1  92  63 EP+ 1  65.87 14.90 14.28 0.00  0.62* 0.00     0.000                                        
IGPR PR HH2  A 94.1  92  63 ES  1  76.52 25.55 25.42 0.00  0.13  0.10S    0.003                                        
STVI PR HHZ  A219.0  79  63 EP+ 2  83.55 32.58 30.10 0.00  2.48* 0.00     0.000                                        
STVI PR HH1  A219.0  79  63 ES  2 108.95 57.98 53.58 0.00  4.40* 0.00S    0.000                                        

Event Maps



Spectral Acceleration


Intensity Map


Peak Ground Velocity


Peak Ground Acceleration


DYFI Map

Google Map for this Event