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: March 27, 2023 15:10:05 UTC
March 27, 2023 11:10:05 Hora Local
Region: South Region of Puerto Rico
Distances: 8.08 Km Southwest of Guánica,PR
13.02 Km Southeast of Lajas,PR
34.3 Km South-Southeast of Mayagüez,PR
Magnitude: 2.23 Md
Location: Latitude: 17.9315 Longitude: -66.9566
Depth: 16 Km
Tsunami Warning Level: No Warning, Advisory or Watch is in effect for Puerto Rico and the Virgin Islands
Issued Date & Time 2023-03-27 11:41:48
ID: 20230327151005

Epicentral Map

Epicentral Map (PRSN), Last Modified: 2023-03-27 11:41:54 Hora Local.
BULLETIN 1
Seismic Event/Tsunami
DATE: March 27, 2023
LOCAL TIME: 11:10:05
LATITUDE: 17.9315 N
LONGITUDE: 66.9566 W
LOCATION: 8.1 Km Southwest of Guánica,PR
34.3 Km South-Southeast of Mayagüez,PR
DEPTH: 16 Km
MAGNITUDE: 2.23 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 2023-03-27 11:41:54
The Puerto Rico Seismic Network (PRSN) received information that this micro 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                            
2023-03-27  1510  5.52  17 55.89   66 57.40  16.03  0.05  0.71  0.55        2.23  2.23D 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                         
  12   12   9.5  PR1  227  15   6  10   4  12     Q  PPX   0.00  0.00      3.00  0.01 D                                
                                                                                                                       
XMAG2-N.XMG2-XMMAD-T-S  FMAG2-N.FMG2-FMMAD-T-S  PREF.MAG-N.PMAG-PRMAD-T                                                
                         2.23   3.00  0.01 Z        2.23   3.00  0.01 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  9.5  59 142 IPD     8.78  3.26  3.20 0.00  0.06  1.67     0.439 0.58  28   2.23 Z                      
GBPR PR HH2  A  9.5  59 142 ES  1  11.17  5.65  5.70 0.00 -0.05  0.83S    0.589                                        
MLPR PR HHZ  A 10.2 295 140 IPU     8.74  3.22  3.26 0.00 -0.04  1.67     0.583 0.55  25   2.15 Z                      
MLPR PR HH2  A 10.2 295 140 ES  1  11.29  5.77  5.80 0.00 -0.03  0.83S    0.361                                        
CRPR PR HHZ  A 18.2 298 119 EP+ 1   9.63  4.11  4.13 0.00 -0.02  0.83     0.197 0.55  26   2.24 Z                      
CRPR PR HH2  A 18.2 298 119 ES  1  12.51  6.99  7.35 0.00 -0.36  0.00S    0.000                                        
LSP  PR HHZ  A 30.3 334 101 EP- 1  11.30  5.78  5.73 0.00  0.05  0.83     0.209                                        
LSP  PR HH1  A 30.3 334 101 ES  1  15.74 10.22 10.20 0.00  0.02  0.83S    0.711                                        
CELP PR HHZ  A 43.0  68  95 EP- 1  13.04  7.52  7.51 0.00  0.01  0.83     0.294                                        
CELP PR HH1  A 43.0  68  95 ES  1  18.78 13.26 13.37 0.00 -0.11  0.83S    0.382                                        
AOPR PR HHZ  A 50.7  24  94 EP+ 1  14.13  8.61  8.59 0.00  0.02  0.83     0.229                                        
AOPR PR HH2  A 50.7  24  94 ES  1  19.99 14.47 15.29 0.00 -0.82* 0.00S    0.000                                        

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