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 Utuado, PR
Date: April 20, 2023 04:14:38 UTC
April 20, 2023 00:14:38 Hora Local
Region: South Region of Puerto Rico
Distances: 6.8 Km Southwest of Guánica,PR
12.77 Km Southeast of Lajas,PR
33.65 Km South-Southeast of Mayagüez,PR
Magnitude: 2.92 Md
Location: Latitude: 17.9416 Longitude: -66.9506
Depth: 15 Km
Tsunami Warning Level: No Warning, Advisory or Watch is in effect for Puerto Rico and the Virgin Islands
Issued Date & Time 2023-04-20 01:10:10
ID: 20230420041438

Epicentral Map

Epicentral Map (PRSN), Last Modified: 2023-04-20 01:10:16 Hora Local.
BULLETIN 1
Seismic Event/Tsunami
DATE: April 20, 2023
LOCAL TIME: 00:14:38
LATITUDE: 17.9416 N
LONGITUDE: 66.9506 W
LOCATION: 6.8 Km Southwest of Guánica,PR
33.6 Km South-Southeast of Mayagüez,PR
DEPTH: 15 Km
MAGNITUDE: 2.92 Md
ESTIMATED MAXIMUM INTENSITY: II in Utuado, PR
TSUNAMI ALERT LEVEL: No Warning, Advisory or Watch is in effect for Puerto Rico and the Virgin Islands
DATE & ISSUED TIME 2023-04-20 01:10:16
The Puerto Rico Seismic Network (PRSN) received information that this micro earthquake was reported as felt in Utuado with a maximum intensity of II (Modified Mercalli Scale, MM). At the moment of generating this bulletin no damages has been reported and are not expected to occur

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                            
2023-04-20  0414 38.54  17 56.50   66 57.04  15.18  0.21  0.79  0.93        2.92  2.92D 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                         
  14   14   8.4  PR1  225  18   6  14   8  14     Q  PPK   0.00  0.00      3.00  0.10 D                                
                                                                                                                       
XMAG2-N.XMG2-XMMAD-T-S  FMAG2-N.FMG2-FMMAD-T-S  PREF.MAG-N.PMAG-PRMAD-T                                                
                         2.92   3.00  0.10 Z        2.92   3.00  0.10 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  8.4  63 144 EP- 1  41.58  3.04  3.01 0.00  0.03  1.06     0.242 0.58  37   2.48 Z                      
GBPR PR HH2  A  8.4  63 144 ES  1  43.97  5.43  5.36 0.00  0.07  1.06S    0.682                                        
CRPR PR HHZ  A 18.3 294 115 EP- 1  42.52  3.98  4.09 0.00 -0.11  1.06     0.316 0.55  55   2.92 Z                      
CRPR PR HH2  A 18.3 294 115 ES  1  45.49  6.95  7.28 0.00 -0.33  1.06S    0.403                                        
LSP  PR HHZ  A 29.6 332  98 EP- 1  44.48  5.94  5.62 0.00  0.32  1.06     0.155 0.58  58   3.02 Z                      
LSP  PR HH1  A 29.6 332  98 ES  1  48.89 10.35 10.00 0.00  0.35  1.06S    0.300                                        
CELP PR HHZ  A 42.0  69  93 EP- 1  45.90  7.36  7.36 0.00  0.00  1.06     0.260                                        
CELP PR HH1  A 42.0  69  93 ES  1  51.55 13.01 13.10 0.00 -0.09  1.06S    0.284                                        
UUPR PR HH2  A 42.2  35  93 ES  1  51.83 13.29 13.15 0.00  0.14  1.06S    0.267                                        
AOPR PR HHZ  A 49.4  24  92 EP- 1  46.98  8.44  8.40 0.00  0.04  1.06     0.106                                        
AOPR PR HH1  A 49.4  24  92 ES  1  53.12 14.58 14.95 0.00 -0.37  1.06S    0.297                                        
AGPR PR HH2  A 60.6 344  91 ES  1  56.14 17.60 17.76 0.00 -0.16  1.00S    0.282                                        
ECPR PR HHZ  A 74.9  56  63 EP- 1  50.60 12.06 11.85 0.00  0.21  0.65     0.172                                        
ECPR PR HH2  A 74.9  56  63 ES  1  59.59 21.05 21.09 0.00 -0.04  0.65S    0.226                                        

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