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: | V in Lajas, PR |
| Date: |
September 18, 2026 13:19:35 UTC September 18, 2026 09:19:35 Hora Local |
| Region: | South Region of Puerto Rico |
| Distances: |
6.7 Km South-Southeast of Guánica,PR 13.38 Km Southeast of Lajas,PR 34.17 Km South-Southeast of Mayagüez,PR |
| Magnitude: | 4.8 Ml |
| Location: | Latitude: 17.9391 Longitude: -66.9455 |
| Depth: | 7 Km |
| Tsunami Warning Level: | No Warning, Advisory or Watch is in effect for Puerto Rico and the Virgin Islands |
| Issued Date & Time | 2026-09-18 09:53:24 |
| ID: | 20260918131935 |
Epicentral Map
| BULLETIN 2 Seismic Event/Tsunami |
|
|---|---|
| DATE: | September 18, 2026 |
| LOCAL TIME: | 09:19:35 |
| LATITUDE: | 17.9391 N |
| LONGITUDE: | 66.9455 W |
| LOCATION: |
6.7 Km South-Southeast of Guánica,PR
34.2 Km South-Southeast of Mayagüez,PR |
| DEPTH: | 7 Km |
| MAGNITUDE: | 4.8 Ml |
| ESTIMATED MAXIMUM INTENSITY: | V in Lajas, PR |
| TSUNAMI ALERT LEVEL: | No Warning, Advisory or Watch is in effect for Puerto Rico and the Virgin Islands |
| DATE & ISSUED TIME | 2026-09-18 09:53:37 |
|
The Puerto Rico Seismic Network (PRSN) received information that this
light earthquake was reported as
felt in the Central region of Puerto Rico, the Western region of Puerto Rico and the Southern region of Puerto Rico with a maximum
intensity of V (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. |
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|
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Technical Information
YEAR MO DA --ORIGIN-- --LAT N- --LON W-- DEPTH RMS ERH ERZ XMAG FMAG PMAG INT
2026-09-18 1319 35.14 17 56.35 66 56.73 7.59 0.13 0.66 0.28 V
SOURCE
NSTA NPHS DMIN MODEL GAP ITR NFM NWR NWS NVR REMRKS-AVH N.XMG-XMMAD-T N.FMG-FMMAD-T L F X
46 46 8.0 PR1 191 17 23 22 9 46 Q PPM 0.00 0.00 0.00 0.00 D
REGION= Southern Puerto Rico
PTWC 4.6, NEIC 4.6Mb EB 4.8 ml
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 8.0 60 129 IPD 37.28 2.14 2.15 0.00 -0.01 1.83 0.498
GBPR PR HH1 A 8.0 60 129 ES 1 38.87 3.73 3.83 0.00 -0.10 0.91S 0.344
MLPR PR HHZ A 11.0 288 120 EP+ 1 37.69 2.55 2.59 0.00 -0.04 0.91 0.164
MLPR PR HH1 A 11.0 288 120 ES 1 39.73 4.59 4.61 0.00 -0.02 0.91S 0.274
CRPR PR HHZ A 18.9 294 57 IPU 38.92 3.78 3.89 0.00 -0.11 1.83 0.411
CRPR PR HH1 A 18.9 294 57 ES 1 41.76 6.62 6.92 0.00 -0.30 0.91S 0.161
LSP PR HHZ A 30.1 331 57 EP+ 1 40.78 5.64 5.61 0.00 0.03 0.91 0.052
LSP PR HH1 A 30.1 331 57 ES 1 45.65 10.51 9.99 0.00 0.52* 0.00S 0.000
PRSN PR HHZ A 37.3 326 57 IPU 41.86 6.72 6.72 0.00 0.00 1.83 0.204
PRSN PR HH2 A 37.3 326 57 ES 1 47.22 12.08 11.96 0.00 0.12 0.91S 0.250
OBIP PR HHZ A 37.7 72 57 IPD 41.84 6.70 6.78 0.00 -0.08 1.83 0.239
OBIP PR HH1 A 37.7 72 57 ES 1 47.09 11.95 12.07 0.00 -0.12 0.91S 0.112
CELP PR HHZ A 41.6 68 57 IPD 42.55 7.41 7.37 0.00 0.04 1.83 0.202
CELP PR HH1 A 41.6 68 57 ES 1 48.09 12.95 13.12 0.00 -0.17 0.91S 0.115
ICMP PR HHZ A 44.8 97 57 EP+ 1 43.26 8.12 7.86 0.00 0.26 0.91 0.187
ICMP PR HH1 A 44.8 97 57 ES 1 49.67 14.53 13.99 0.00 0.54* 0.00S 0.000
AOPR PR HHZ A 49.4 24 57 IPD 43.63 8.49 8.58 0.00 -0.09 1.83 0.235
AOPR PR HH2 A 49.4 24 57 ES 1 49.72 14.58 15.27 0.00 -0.69* 0.00S 0.000
CVPR PR HNZ A 51.5 66 57 EP+ 1 44.20 9.06 8.90 0.00 0.16 0.91 0.046
CVPR PR HN1 A 51.5 66 57 ES 1 50.85 15.71 15.84 0.00 -0.13 0.91S 0.119
AGPR PR HHZ A 61.0 344 57 IPU 45.77 10.63 10.37 0.00 0.26 1.71 0.216
AGPR PR HH1 A 61.0 344 57 ES 1 52.89 17.75 18.46 0.00 -0.71* 0.00S 0.000
ECPR PR HHZ A 74.6 55 50 EP+ 1 47.52 12.38 12.36 0.00 0.02 0.57 0.015
ECPR PR HH1 A 74.6 55 50 ES 1 57.02 21.88 22.00 0.00 -0.12 0.57S 0.057
ASPR PR HHZ A 76.0 82 50 EP- 1 47.89 12.75 12.55 0.00 0.20 0.53 0.035
ASPR PR HH1 A 76.0 82 50 ES 1 57.56 22.42 22.34 0.00 0.08 0.53S 0.053
IGPR PR HHZ A 88.9 87 44 EP+ 1 50.15 15.01 14.27 0.00 0.74* 0.00 0.000
IGPR PR HH1 A 88.9 87 44 ES 1 60.94 25.80 25.40 0.00 0.40 0.05S 0.000
PDPR PR HHZ A 98.2 84 44 EP- 1 51.16 16.02 15.45 0.00 0.57* 0.00 0.000
PDPR PR HH2 A 98.2 84 44 ES 1 63.37 28.23 27.50 0.00 0.73* 0.00S 0.000
GCPR PR HHZ A100.0 65 44 IPD 51.13 15.99 15.67 0.00 0.32 0.04 0.000
GCPR PR HH1 A100.0 65 44 ES 1 63.39 28.25 27.89 0.00 0.36 0.01S 0.000
FAPR PR HHZ A139.9 77 44 EP+ 1 57.76 22.62 20.72 0.00 1.90* 0.00 0.000
FAPR PR HH1 A139.9 77 44 ES 1 74.72 39.58 36.88 0.00 2.70* 0.00S 0.000
PCDR PR BHZ A164.7 293 44 EP+ 1 60.99 25.85 23.86 0.00 1.99* 0.00 0.000
PCDR PR BHN A164.7 293 44 ES 1 83.15 48.01 42.47 0.00 5.54* 0.00S 0.000
CUPR PR HHZ A180.7 76 44 EP+ 1 63.52 28.38 25.89 0.00 2.49* 0.00 0.000
CUPR PR HH1 A180.7 76 44 ES 1 84.99 49.85 46.08 0.00 3.77* 0.00S 0.000
STVI PR HHZ A215.4 77 44 EP+ 1 69.36 34.22 30.29 0.00 3.93* 0.00 0.000
STVI PR HH1 A215.4 77 44 ES 1 94.00 58.86 53.92 0.00 4.94* 0.00S 0.000
TBVI PR HHZ A251.7 77 44 EP+ 1 73.58 38.44 34.88 0.00 3.56* 0.00 0.000
TBVI PR HH1 A251.7 77 44 ES 1 102.56 67.42 62.09 0.00 5.33* 0.00S 0.000
HMDR DR BHZ A274.1 291 44 EP+ 1 76.61 41.47 37.71 0.00 3.76* 0.00 0.000
HMDR DR BHN A274.1 291 44 ES 1 102.36 67.22 67.12 0.00 0.10 0.00S 0.000
VGBI PR HHZ A275.9 76 44 EP+ 1 76.64 41.50 37.94 0.00 3.56* 0.00 0.000
VGBI PR HH1 A275.9 76 44 ES 3 106.87 71.73 67.53 0.00 4.20* 0.00S 0.000
Event Maps
 Spectral Acceleration |
 Intensity Map |
 Peak Ground Velocity |
 Peak Ground Acceleration |
 DYFI Map |
Google Map for this Event |