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 Ponce, PR
Date: April 11, 2023 05:54:00 UTC
April 11, 2023 01:54:00 Hora Local
Region: South Region of Puerto Rico
Distances: 9.84 Km Southeast of Guánica,PR
13.99 Km South-Southeast of Guayanilla,PR
28.5 Km West-Southeast of Ponce,PR
Magnitude: 3.1 Ml
Location: Latitude: 17.9388 Longitude: -66.8393
Depth: 13 Km
Tsunami Warning Level: No Warning, Advisory or Watch is in effect for Puerto Rico and the Virgin Islands
Issued Date & Time 2023-04-11 02:37:53
ID: 20230411055400

Epicentral Map

Epicentral Map (PRSN), Last Modified: 2023-04-11 02:37:59 Hora Local.
BULLETIN 2
Seismic Event/Tsunami
DATE: April 11, 2023
LOCAL TIME: 01:54:00
LATITUDE: 17.9388 N
LONGITUDE: 66.8393 W
LOCATION: 9.8 Km Southeast of Guánica,PR
28.5 Km West-Southeast of Ponce,PR
DEPTH: 13 Km
MAGNITUDE: 3.1 Ml
ESTIMATED MAXIMUM INTENSITY: II in Ponce, PR
TSUNAMI ALERT LEVEL: No Warning, Advisory or Watch is in effect for Puerto Rico and the Virgin Islands
DATE & ISSUED TIME 2023-04-11 02:37:59
The Puerto Rico Seismic Network (PRSN) received information that this minor earthquake was reported as felt in Guayanilla and Ponce 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                            
2023-04-11  0554  0.73  17 56.33   66 50.36  13.11  0.15  0.76  0.39                    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                         
  31   31   5.8  PR1  192  18  18  23  10  31     Q  PPI   0.00  0.00      0.00  0.00 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  5.8 314 152 IPU     3.27  2.54  2.56 0.00 -0.02  1.95     0.431                                        
GBPR PR HH1  A  5.8 314 152 ES  1   5.56  4.83  4.56 0.00  0.27  0.97S    0.401                                        
MLPR PR HHZ  A 22.0 279 111 EP+ 1   4.94  4.21  4.48 0.00 -0.27  0.97     0.124                                        
MLPR PR HH2  A 22.0 279 111 ES  1   8.48  7.75  7.97 0.00 -0.22  0.97S    0.190                                        
CRPR PR HHZ  A 29.6 285 104 EP+ 1   6.13  5.40  5.59 0.00 -0.19  0.97     0.105                                        
CRPR PR HH2  A 29.6 285 104 ES  1  10.15  9.42  9.95 0.00 -0.53* 0.04S    0.000                                        
CELP PR HHZ  A 31.4  61 103 IPD     6.53  5.80  5.86 0.00 -0.06  1.95     0.419                                        
CELP PR HH2  A 31.4  61 103 ES  1  11.16 10.43 10.43 0.00  0.00  0.97S    0.231                                        
UUPR PR HHZ  A 37.0  19  66 EP- 1   7.42  6.69  6.69 0.00  0.00  0.97     0.052                                        
UUPR PR HH1  A 37.0  19  66 ES  1  12.53 11.80 11.91 0.00 -0.11  0.97S    0.200                                        
LSP  PR HHZ  A 37.0 316  66 EP+ 1   7.37  6.64  6.70 0.00 -0.06  0.97     0.070                                        
LSP  PR HH1  A 37.0 316  66 ES  1  12.66 11.93 11.93 0.00  0.00  0.97S    0.155                                        
PRSN PR HHZ  A 44.7 314  66 IPU     8.53  7.80  7.78 0.00  0.02  1.95     0.301                                        
PRSN PR HH1  A 44.7 314  66 ES  1  14.50 13.77 13.85 0.00 -0.08  0.97S    0.153                                        
AOPR PR HHZ  A 46.0  11  66 EP- 1   8.82  8.09  7.97 0.00  0.12  0.97     0.048                                        
AOPR PR HH2  A 46.0  11  66 ES  1  14.79 14.06 14.19 0.00 -0.13  0.97S    0.220                                        
AGPR PR HHZ  A 65.2 334  66 IPU    11.69 10.96 10.67 0.00  0.29  1.68     0.145                                        
AGPR PR HH1  A 65.2 334  66 ES  1  19.72 18.99 18.99 0.00  0.00  0.84S    0.147                                        
ECPR PR HHZ  A 65.7  50  66 EP+ 1  11.46 10.73 10.74 0.00 -0.01  0.83     0.084                                        
ECPR PR HH2  A 65.7  50  66 ES  1  19.56 18.83 19.12 0.00 -0.29  0.83S    0.120                                        
EMPR PR HHZ  A 68.0  28  66 IPD    12.45 11.72 11.07 0.00  0.65* 0.00     0.000                                        
EMPR PR HH2  A 68.0  28  66 ES  1  20.20 19.47 19.70 0.00 -0.23  0.78S    0.112                                        
SJG  IU BHZ  A 75.5  75  55 EP- 1  12.98 12.25 12.07 0.00  0.18  0.58     0.118                                        
IGPR PR HHZ  A 77.6  87  55 EP+ 1  13.43 12.70 12.35 0.00  0.35  0.52     0.127                                        
IDE  PR EHZ  A 82.8 307  55 EP+ 1  14.39 13.66 12.99 0.00  0.67* 0.00     0.000                                        
GCPR PR HHZ  A 89.9  62  55 IPD    14.85 14.12 13.89 0.00  0.23  0.37     0.033                                        
HUMP PR HHZ  A107.3  77  55 EP- 1  17.49 16.76 16.09 0.00  0.67* 0.00     0.000                                        
CUPR PR HHZ  A169.7  75  55 EP+ 2  -7.14 -7.87 24.00 0.00-31.87* 0.00     0.000                                        
CUPR PR HH2  A169.7  75  55 ES  2   0.49 -0.24 42.72 0.00-42.96* 0.00S    0.000                                        
STVI PR HHZ  A204.5  76  55 EP+ 2  -4.58 -5.31 28.40 0.00-33.71* 0.00     0.000                                        
STVI PR HH2  A204.5  76  55 ES  2   5.52  4.79 50.55 0.00-45.76* 0.00S    0.000       

COMMENT= NEIC 3.2ml, EB 3.1ml                                 

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