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 Lajas, PR
Date: April 18, 2024 12:05:05 UTC
April 18, 2024 08:05:05 Hora Local
Region: Southwest Region of Puerto Rico
Distances: 4.43 Km South-Southeast of Lajas,PR
12.68 Km West of Guánica,PR
26.6 Km South-Southeast of Mayagüez,PR
Magnitude: 3.21 Md
Location: Latitude: 17.9773 Longitude: -67.027
Depth: 5 Km
Tsunami Warning Level: No Warning, Advisory or Watch is in effect for Puerto Rico and the Virgin Islands
Issued Date & Time 2024-04-18 08:38:33
ID: 20240418120504

Epicentral Map

Epicentral Map (PRSN), Last Modified: 2024-04-18 08:38:44 Hora Local.
BULLETIN 1
Seismic Event/Tsunami
DATE: April 18, 2024
LOCAL TIME: 08:05:05
LATITUDE: 17.9773 N
LONGITUDE: 67.027 W
LOCATION: 4.4 Km South-Southeast of Lajas,PR
26.6 Km South-Southeast of Mayagüez,PR
DEPTH: 5 Km
MAGNITUDE: 3.21 Md
ESTIMATED MAXIMUM INTENSITY: III in Lajas, PR
TSUNAMI ALERT LEVEL: No Warning, Advisory or Watch is in effect for Puerto Rico and the Virgin Islands
DATE & ISSUED TIME 2024-04-18 08:38:44
The Puerto Rico Seismic Network (PRSN) received information that this minor earthquake was reported as felt in Lajas 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                            
2024-04-18  1205  5.79  17 58.64   67  1.62   5.81  0.19  0.66  0.47        3.21  3.21D 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                         
  30   30   2.0  PR1  145  20  14  23  11  28     Q  PP0   0.00  0.00      5.00  0.05 D                                
                                                                                                                       
XMAG2-N.XMG2-XMMAD-T-S  FMAG2-N.FMG2-FMMAD-T-S  PREF.MAG-N.PMAG-PRMAD-T                                                
                         3.21   5.00  0.05 Z        3.21   5.00  0.05 D                                                

REGION= Southwestern 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  
MLPR PR HHZ  A  2.0 245 159 IPU     7.05  1.26  1.22 0.00  0.04  2.22     0.397 0.55  84   3.21 Z                      
MLPR PR HH1  A  2.0 245 159 ES  1   7.75  1.96  2.17 0.00 -0.21  1.11S    0.229                                        
CRPR PR HHZ  A  9.3 291 116 IPU     7.92  2.13  2.17 0.00 -0.04  2.22     0.404 0.55  75   3.15 Z                      
CRPR PR HH2  A  9.3 291 116 ES  1   9.44  3.65  3.86 0.00 -0.21  1.11S    0.179                                        
GBPR PR HHZ  A 15.6  90 104 IPD     9.05  3.26  3.25 0.00  0.01  2.22     0.513 0.58  78   3.20 Z                      
GBPR PR HH1  A 15.6  90 104 ES  1  10.85  5.06  5.78 0.00 -0.73* 0.16S    0.009                                        
LSP  PR HHZ  A 22.8 345  99 EP- 1  10.39  4.60  4.53 0.00  0.07  1.11     0.120                                        
LSP  PR HH1  A 22.8 345  99 ES  1  14.12  8.33  8.06 0.00  0.27  1.11S    0.541                                        
PRSN PR HHZ  A 29.4 335  57 EP- 1  11.49  5.70  5.66 0.00  0.04  1.11     0.120                                        
PRSN PR HH1  A 29.4 335  57 ES  1  15.77  9.98 10.07 0.00 -0.09  1.11S    0.237                                        
UUPR PR HHZ  A 44.6  46  57 EP+ 1  13.37  7.58  8.00 0.00 -0.42  1.11     0.068                                        
UUPR PR HH2  A 44.6  46  57 ES  1  19.83 14.04 14.24 0.00 -0.20  1.11S    0.193                                        
OBIP PR HHZ  A 45.2  80  57 EP+ 1  13.82  8.03  8.10 0.00 -0.07  1.11     0.108                                        
OBIP PR HH1  A 45.2  80  57 ES  1  19.76 13.97 14.42 0.00 -0.45  1.11S    0.181                                        
CELP PR HHZ  A 48.6  77  57 EP+ 1  14.43  8.64  8.63 0.00  0.01  1.11     0.100 0.55  74   3.34 Z                      
CELP PR HH2  A 48.6  77  57 ES  1  21.91 16.12 15.36 0.00  0.76* 0.04S    0.000                                        
ICMP PR HHZ  A 54.0 100  57 EP- 1  15.69  9.90  9.45 0.00  0.45  1.11     0.192                                        
ICMP PR HH1  A 54.0 100  57 ES  1  23.74 17.95 16.82 0.00  1.13* 0.00S    0.000                                        
AGPR PR HHZ  A 55.0 351  57 EP+ 1  15.70  9.91  9.61 0.00  0.30  1.10     0.084 0.55  68   3.26 Z                      
AGPR PR HH1  A 55.0 351  57 ES  1  22.87 17.08 17.11 0.00 -0.03  1.10S    0.198                                        
EMPR PR HHZ  A 76.4  43  50 EP+ 1  19.42 13.63 12.81 0.00  0.82* 0.00     0.000                                        
EMPR PR HH2  A 76.4  43  50 ES  1  28.48 22.69 22.80 0.00 -0.11  0.63S    0.052                                        
ASPR PR HHZ  A 84.1  85  44 EP- 1  20.05 14.26 13.90 0.00  0.36  0.38     0.022                                        
ASPR PR HH2  A 84.1  85  44 ES  1  30.76 24.97 24.74 0.00  0.23  0.38S    0.037                                        
SJG  IU BHZ  A 94.0  80  44 EP- 1  21.27 15.48 15.16 0.00  0.32  0.11     0.001                                        
SJG  IU BH1  A 94.0  80  44 ES  1  33.07 27.28 26.98 0.00  0.30  0.11S    0.002                                        
GCPR PR HHZ  A106.4  69  44 IPU    23.41 17.62 16.72 0.00  0.90* 0.00     0.000                                        
GCPR PR HH2  A106.4  69  44 ES  1  36.49 30.70 29.76 0.00  0.94* 0.00S    0.000                                        
   2 UNWEIGHTED STATIONS NOT PRINTED.                                                                                  

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