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 Yauco, PR
Date: January 21, 2024 14:09:04 UTC
January 21, 2024 10:09:04 Hora Local
Region: South Region of Puerto Rico
Distances: 4.57 Km Northeast of Guánica,PR
7.51 Km South-Southeast of Yauco,PR
29.51 Km West-Southeast of Ponce,PR
Magnitude: 3.46 Md
Location: Latitude: 18.0171 Longitude: -66.8808
Depth: 14 Km
Tsunami Warning Level: No Warning, Advisory or Watch is in effect for Puerto Rico and the Virgin Islands
Issued Date & Time 2024-01-21 10:41:25
ID: 20240121140904

Epicentral Map

Epicentral Map (PRSN), Last Modified: 2024-01-21 10:41:31 Hora Local.
BULLETIN 1
Seismic Event/Tsunami
DATE: January 21, 2024
LOCAL TIME: 10:09:04
LATITUDE: 18.0171 N
LONGITUDE: 66.8808 W
LOCATION: 4.6 Km Northeast of Guánica,PR
29.5 Km West-Southeast of Ponce,PR
DEPTH: 14 Km
MAGNITUDE: 3.46 Md
ESTIMATED MAXIMUM INTENSITY: III in Yauco, PR
TSUNAMI ALERT LEVEL: No Warning, Advisory or Watch is in effect for Puerto Rico and the Virgin Islands
DATE & ISSUED TIME 2024-01-21 10:41:31
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                            
2024-01-21  1409  4.84  18  1.03   66 52.85  14.99  0.20  0.49  0.78        3.46  3.46D 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                         
  36   36   4.7  PR1   76  15  18  26  12  36     Q  PP0   0.00  0.00     18.00  0.31 D                                
                                                                                                                       
XMAG2-N.XMG2-XMMAD-T-S  FMAG2-N.FMG2-FMMAD-T-S  PREF.MAG-N.PMAG-PRMAD-T                                                
                         3.46  18.00  0.31 Z        3.46  18.00  0.31 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  4.7 178 158 IPD     7.68  2.84  2.74 0.00  0.10  2.17     0.458 0.58 122   3.54 Z                      
GBPR PR HH1  A  4.7 178 158 ES  1   9.87  5.03  4.88 0.00  0.15  1.08S    0.398                                        
MLPR PR HHZ  A 18.1 254 115 EP+ 1   8.81  3.97  4.05 0.00 -0.08  1.08     0.116 0.55  31   2.40 Z                      
MLPR PR HH2  A 18.1 254 115 ES  1  11.81  6.97  7.21 0.00 -0.24  1.08S    0.198                                        
CRPR PR HHZ  A 24.3 268 103 EP+ 1   9.51  4.67  4.87 0.00 -0.20  1.08     0.123 0.55 116   3.64 Z                      
CRPR PR HH1  A 24.3 268 103 ES  1  13.06  8.22  8.67 0.00 -0.45  1.07S    0.189                                        
LSP  PR HHZ  A 27.9 309  98 EP+ 1  10.21  5.37  5.38 0.00 -0.01  1.08     0.076 0.58 126   3.71 Z                      
LSP  PR HH1  A 27.9 309  98 ES  1  14.78  9.94  9.58 0.00  0.36  1.08S    0.180                                        
OBIP PR HHZ  A 29.2  84  97 EP+ 1  10.28  5.44  5.56 0.00 -0.12  1.08     0.075 0.44  47   2.94 Z                      
OBIP PR HH1  A 29.2  84  97 ES  1  14.56  9.72  9.90 0.00 -0.18  1.08S    0.146                                        
UUPR PR HHZ  A 31.1  33  96 EP- 1  10.66  5.82  5.83 0.00 -0.01  1.08     0.088 0.55  55   3.00 Z                      
UUPR PR HH2  A 31.1  33  96 ES  1  14.92 10.08 10.38 0.00 -0.30  1.08S    0.325                                        
CELP PR HHZ  A 32.6  78  95 IPD    10.82  5.98  6.03 0.00 -0.05  2.17     0.292 0.55  43   2.79 Z                      
CELP PR HH2  A 32.6  78  95 ES  1  15.33 10.49 10.73 0.00 -0.24  1.08S    0.148                                        
PRSN PR HHZ  A 35.7 309  94 EP+ 1  11.30  6.46  6.46 0.00  0.00  1.08     0.083 0.55  63   3.15 Z                      
PRSN PR HH2  A 35.7 309  94 ES  1  16.12 11.28 11.50 0.00 -0.22  1.08S    0.176                                        
ICMP PR HHZ  A 40.2 111  93 EP+ 1  12.22  7.38  7.10 0.00  0.28  1.08     0.152 0.55  90   3.50 Z                      
ICMP PR HH1  A 40.2 111  93 ES  1  18.18 13.34 12.64 0.00  0.70* 0.00S    0.000                                        
AGPR PR HHZ  A 55.5 334  91 EP+ 1  14.32  9.48  9.25 0.00  0.23  1.07     0.086 0.55  83   3.45 Z                      
AGPR PR HH2  A 55.5 334  91 ES  1  21.56 16.72 16.47 0.00  0.25  1.07S    0.251                                        
ASPR PR HHZ  A 68.5  88  63 EP+ 1  15.96 11.12 11.04 0.00  0.08  0.85     0.145 0.00  74   2.50 Z                      
ASPR PR HH2  A 68.5  88  63 ES  1  23.92 19.08 19.65 0.00 -0.57* 0.24S    0.020                                        
IDE  PR EHZ  A 74.2 304  63 EP+ 1  17.08 12.24 11.77 0.00  0.47  0.66     0.087 0.58  61   3.16 Z                      
IDE  PR EHE  A 74.2 304  63 ES  1  26.51 21.67 20.95 0.00  0.72* 0.00S    0.000                                        
SJG  IU BHZ  A 78.1  82  63 EP+ 1  17.38 12.54 12.26 0.00  0.28  0.56     0.057 0.73  65   3.13 Z                      
SJG  IU BH1  A 78.1  82  63 ES  1  26.92 22.08 21.82 0.00  0.26  0.56S    0.102                                        
GCPR PR HHZ  A 90.3  68  63 EP+ 1  19.07 14.23 13.81 0.00  0.42  0.20     0.005 0.55 100   3.66 Z                      
GCPR PR HH2  A 90.3  68  63 ES  1  29.73 24.89 24.58 0.00  0.31  0.20S    0.010                                        
HUMP PR HHZ  A110.1  82  63 EP+ 1  21.69 16.85 16.32 0.00  0.53* 0.00     0.000 0.55 121   3.85 Z                      
HUMP PR HH2  A110.1  82  63 ES  1  34.52 29.68 29.05 0.00  0.63* 0.00S    0.000                                        
FAPR PR HHZ  A131.4  80  63 EP+ 1  25.30 20.46 19.02 0.00  1.44* 0.00     0.000 0.55  77   3.46 Z                      
FAPR PR HH1  A131.4  80  63 ES  1  40.53 35.69 33.86 0.00  1.83* 0.00S    0.000                                        
PCDR PR BHZ  A167.9 290  63 EP- 1  30.91 26.07 23.64 0.00  2.43* 0.00     0.000 0.55 107   3.80 Z                      
PCDR PR BHE  A167.9 290  63 ES  1  50.03 45.19 42.08 0.00  3.11* 0.00S    0.000                                        
STVI PR HHZ  A207.0  79  63 EP+ 1  36.70 31.86 28.58 0.00  3.28* 0.00     0.000 0.55  87   3.66 Z                      
STVI PR HH1  A207.0  79  63 ES  1  58.45 53.61 50.87 0.00  2.74* 0.00S    0.000                                        

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