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 Guánica, PR
Date: March 12, 2023 22:02:05 UTC
March 12, 2023 18:02:05 Hora Local
Region: South Region of Puerto Rico
Distances: 9.35 Km East-Southeast of Guánica,PR
10.57 Km South-Southeast of Guayanilla,PR
26.02 Km West-Southeast of Ponce,PR
Magnitude: 3.52 Md
Location: Latitude: 17.9688 Longitude: -66.8303
Depth: 9 Km
Tsunami Warning Level: No Warning, Advisory or Watch is in effect for Puerto Rico and the Virgin Islands
Issued Date & Time 2023-03-12 18:30:39
ID: 20230312220204

Epicentral Map

Epicentral Map (PRSN), Last Modified: 2023-03-12 18:30:44 Hora Local.
BULLETIN 1
Seismic Event/Tsunami
DATE: March 12, 2023
LOCAL TIME: 18:02:05
LATITUDE: 17.9688 N
LONGITUDE: 66.8303 W
LOCATION: 9.3 Km East-Southeast of Guánica,PR
26 Km West-Southeast of Ponce,PR
DEPTH: 9 Km
MAGNITUDE: 3.52 Md
ESTIMATED MAXIMUM INTENSITY: II in Guánica, PR
TSUNAMI ALERT LEVEL: No Warning, Advisory or Watch is in effect for Puerto Rico and the Virgin Islands
DATE & ISSUED TIME 2023-03-12 18:30:44
The Puerto Rico Seismic Network (PRSN) received information that this minor earthquake was reported as felt in Guánica 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                            
2023-03-12  2202  5.19  17 58.13   66 49.82   9.69  0.24  0.46  0.59        3.52  3.52D II                             
                                                                                         SOURCE                        
NSTA NPHS  DMIN MODEL GAP ITR NFM NWR NWS NVR REMRKS-AVH  N.XMG-XMMAD-T   N.FMG-FMMAD-T  L F X                         
  48   48   5.2  PR1  181  18  24  30  14  48     Q  PP0   0.00  0.00     18.00  0.14 D                                
                                                                                                                       
XMAG2-N.XMG2-XMMAD-T-S  FMAG2-N.FMG2-FMMAD-T-S  PREF.MAG-N.PMAG-PRMAD-T                                                
                         3.52  18.00  0.14 Z        3.52  18.00  0.14 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  5.2 278 145 EP- 1   7.29  2.10  2.06 0.00  0.04  1.22     0.178 0.58  73   3.08 Z                      
GBPR PR HH1  A  5.2 278 145 ES  1   9.20  4.01  3.67 0.00  0.34  1.22S    0.437                                        
MLPR PR HHZ  A 22.7 271  98 EP+ 1   9.40  4.21  4.44 0.00 -0.23  1.22     0.137 0.55  68   3.14 Z                      
MLPR PR HH1  A 22.7 271  98 ES  1  13.07  7.88  7.90 0.00 -0.02  1.22S    0.198                                        
OBIP PR BHZ  A 25.1  70  96 EP- 1   9.82  4.63  4.81 0.00 -0.18  1.22     0.120 0.87  84   3.15 Z                      
OBIP PR BHN  A 25.1  70  96 ES  1  14.11  8.92  8.56 0.00  0.36  1.22S    0.200                                        
CELP PR HHZ  A 29.1  66  95 EP- 1  10.38  5.19  5.42 0.00 -0.23  1.22     0.107 0.55 101   3.54 Z                      
CELP PR HH1  A 29.1  66  95 ES  1  14.79  9.60  9.65 0.00 -0.05  1.22S    0.182                                        
CRPR PR HHZ  A 29.9 279  95 EP+ 1  10.48  5.29  5.54 0.00 -0.25  1.22     0.115 0.55  87   3.41 Z                      
CRPR PR HH2  A 29.9 279  95 ES  1  14.74  9.55  9.86 0.00 -0.31  1.22S    0.172                                        
UUPR PR HHZ  A 33.5  20  94 EP- 1  11.26  6.07  6.10 0.00 -0.03  1.22     0.063 0.55  89   3.45 Z                      
UUPR PR HH1  A 33.5  20  94 ES  1  15.85 10.66 10.86 0.00 -0.20  1.22S    0.259                                        
LSP  PR HHZ  A 35.4 311  93 EP+ 1  11.61  6.42  6.40 0.00  0.02  1.22     0.064 0.58  80   3.35 Z                      
LSP  PR HH1  A 35.4 311  93 ES  1  17.40 12.21 11.39 0.00  0.82* 0.00S    0.000                                        
AOPR PR HHZ  A 42.6  10  93 EP- 1  12.71  7.52  7.50 0.00  0.02  1.22     0.063 0.55  96   3.57 Z                      
AOPR PR HH2  A 42.6  10  93 ES  1  18.04 12.85 13.35 0.00 -0.50  1.22S    0.279                                        
PRSN PR HHZ  A 43.2 310  92 EP+ 1  12.74  7.55  7.59 0.00 -0.04  1.22     0.065 0.55  82   3.42 Z                      
PRSN PR HH2  A 43.2 310  92 ES  1  18.74 13.55 13.51 0.00  0.04  1.22S    0.187                                        
AGPR PR HHZ  A 62.7 332  66 EP+ 1  15.90 10.71 10.53 0.00  0.18  1.11     0.080 0.55  95   3.58 Z                      
AGPR PR HH1  A 62.7 332  66 ES  1  24.17 18.98 18.74 0.00  0.24  1.11S    0.226                                        
ECPR PR HHZ  A 62.8  51  66 EP+ 1  15.71 10.52 10.55 0.00 -0.03  1.10     0.086 0.55 115   3.75 Z                      
ECPR PR HH2  A 62.8  51  66 ES  1  23.71 18.52 18.78 0.00 -0.26  1.10S    0.143                                        
EMPR PR HHZ  A 64.6  29  66 EP- 1  16.48 11.29 10.80 0.00  0.49  1.06     0.060                                        
EMPR PR HH1  A 64.6  29  66 ES  1  24.65 19.46 19.22 0.00  0.24  1.06S    0.141                                        
SJG  IU BHZ  A 73.7  77  66 EP+ 1  17.22 12.03 12.09 0.00 -0.06  0.79     0.080 0.73  97   3.49 Z                      
SJG  IU BH1  A 73.7  77  66 ES  1  26.00 20.81 21.52 0.00 -0.71* 0.04S    0.000                                        
IGPR PR HHZ  A 76.6  90  66 EP- 1  17.78 12.59 12.49 0.00  0.10  0.68     0.082 0.55  99   3.63 Z                      
IGPR PR HH1  A 76.6  90  66 ES  1  27.89 22.70 22.23 0.00  0.47  0.68S    0.138                                        
IDE  PR EHZ  A 81.6 305  55 EP- 1  18.71 13.52 13.15 0.00  0.37  0.50     0.031 0.58  80   3.42 Z                      
IDE  PR EHN  A 81.6 305  55 ES  1  29.12 23.93 23.41 0.00  0.52* 0.49S    0.064                                        
GCPR PR HHZ  A 87.5  64  55 EP+ 1  19.12 13.93 13.90 0.00  0.03  0.30     0.011 0.55 104   3.69 Z                      
GCPR PR HH1  A 87.5  64  55 ES  1  29.97 24.78 24.74 0.00  0.04  0.30S    0.019                                        
HUMP PR HHZ  A105.7  79  55 EP- 1  21.67 16.48 16.19 0.00  0.29  0.00     0.000 0.55 102   3.69 Z                      
HUMP PR HH1  A105.7  79  55 ES  1  34.35 29.16 28.82 0.00  0.34  0.00S    0.000                                        
IMPR PR HHZ  A117.2 277  55 EP- 1  23.45 18.26 17.65 0.00  0.61* 0.00     0.000                                        
IMPR PR HH2  A117.2 277  55 ES  1  37.74 32.55 31.42 0.00  1.13* 0.00S    0.000                                        
FAPR PR HHZ  A127.2  77  55 EP- 1  24.93 19.74 18.92 0.00  0.82* 0.00     0.000                                        
FAPR PR HH1  A127.2  77  55 ES  1  39.29 34.10 33.68 0.00  0.42  0.00S    0.000                                        
MTP  PR HHZ  A136.0  83  55 EP- 1  26.74 21.55 20.04 0.00  1.51* 0.00     0.000 0.55 117   3.85 Z                      
MTP  PR HH1  A136.0  83  55 ES  1  42.20 37.01 35.67 0.00  1.34* 0.00S    0.000                                        
CUPR PR HHZ  A168.0  76  55 EP- 1  31.49 26.30 24.09 0.00  2.21* 0.00     0.000                                        
CUPR PR HH1  A168.0  76  55 ES  1  51.42 46.23 42.88 0.00  3.35* 0.00S    0.000                                        
STVI PR HHZ  A202.8  77  55 EP- 2  37.73 32.54 28.49 0.00  4.05* 0.00     0.000                                        
STVI PR HH1  A202.8  77  55 ES  2  58.83 53.64 50.71 0.00  2.93* 0.00S    0.000                                        
CDVI PR HHZ  A220.3  95  55 EP+ 2  36.59 31.40 30.70 0.00  0.70* 0.00     0.000                                        
CDVI PR HH1  A220.3  95  55 ES  2  60.51 55.32 54.65 0.00  0.67* 0.00S    0.000                                        
SJVI PR HHZ  A221.5  79  55 EP- 2  38.90 33.71 30.86 0.00  2.85* 0.00     0.000 0.55 105   3.84 Z                      
SJVI PR HH1  A221.5  79  55 ES  2  64.68 59.49 54.93 0.00  4.56* 0.00S    0.000                                        

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