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: | IV in Vieques, PR |
| Date: |
October 28, 2026 09:44:00 UTC October 28, 2026 05:44:00 Hora Local |
| Region: | Virgin Islands Basin |
| Distances: |
25.99 Km Southeast of Vieques,PR 40.66 Km South of Culebra,PR 93.07 Km East-Southeast of San Juan,PR |
| Magnitude: | 4.07 Md |
| Location: | Latitude: 17.9548 Longitude: -65.3388 |
| Depth: | 25 Km |
| Tsunami Warning Level: | No Warning, Advisory or Watch is in effect for Puerto Rico and the Virgin Islands |
| Issued Date & Time | 2026-10-28 06:39:21 |
| ID: | 20261028094358 |
Epicentral Map
| BULLETIN 2 Seismic Event/Tsunami |
|
|---|---|
| DATE: | October 28, 2026 |
| LOCAL TIME: | 05:44:00 |
| LATITUDE: | 17.9548 N |
| LONGITUDE: | 65.3388 W |
| LOCATION: |
26 Km Southeast of Vieques,PR
93.1 Km East-Southeast of San Juan,PR |
| DEPTH: | 25 Km |
| MAGNITUDE: | 4.07 Md |
| ESTIMATED MAXIMUM INTENSITY: | IV in Vieques, PR |
| TSUNAMI ALERT LEVEL: | No Warning, Advisory or Watch is in effect for Puerto Rico and the Virgin Islands |
| DATE & ISSUED TIME | 2026-10-28 06:39:28 |
|
The Puerto Rico Seismic Network (PRSN) received information that this
light earthquake was reported as
felt in Ceiba, RÃo Grande and Vieques with a maximum
intensity of IV (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
2026-10-28 0944 0.46 17 57.29 65 20.33 25.26 0.32 0.95 2.54 4.07 4.07D IV
SOURCE
NSTA NPHS DMIN MODEL GAP ITR NFM NWR NWS NVR REMRKS-AVH N.XMG-XMMAD-T N.FMG-FMMAD-T L F X
42 42 27.6 PR1 157 17 21 33 14 42 Q PPX 0.00 0.00 8.00 0.07 D
XMAG2-N.XMG2-XMMAD-T-S FMAG2-N.FMG2-FMMAD-T-S PREF.MAG-N.PMAG-PRMAD-T
4.07 8.00 0.07 Z 4.07 8.00 0.07 D
REGION= Virgin Islands Basin
COMMENT= EB 4.7ml EB2 4.4 ml Jiggle 3.6 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
MTP PR HHZ A 27.6 305 120 IPD 6.26 5.80 5.82 0.00 -0.02 2.03 0.398
MTP PR HH1 A 27.6 305 120 ES 1 10.86 10.40 10.36 0.00 0.04 1.01S 0.392
CUPR PR HHZ A 39.5 8 108 IPU 7.49 7.03 7.19 0.00 -0.16 2.03 0.210
CUPR PR HH1 A 39.5 8 108 ES 1 14.01 13.55 12.80 0.00 0.75* 0.99S 0.210
FAPR PR HHZ A 44.4 311 105 EP- 1 7.99 7.53 7.79 0.00 -0.26 1.01 0.028
FAPR PR HH2 A 44.4 311 105 ES 1 14.25 13.79 13.87 0.00 -0.08 1.01S 0.120
HUMP PR HHZ A 57.8 292 99 IPD 9.41 8.95 9.45 0.00 -0.50 2.03 0.128
HUMP PR HH1 A 57.8 292 99 ES 1 16.89 16.43 16.82 0.00 -0.39 1.01S 0.069
STVI PR HHZ A 59.8 42 99 IPU 10.00 9.54 9.69 0.00 -0.15 2.03 0.259 0.55 150 3.99 Z
STVI PR HH2 A 59.8 42 99 ES 1 17.52 17.06 17.25 0.00 -0.19 1.01S 0.153
CDVI PR HHZ A 64.9 110 97 EP+ 1 10.34 9.88 10.33 0.00 -0.45 1.01 0.231 0.55 194 4.23 Z
CDVI PR HH1 A 64.9 110 97 ES 1 19.42 18.96 18.39 0.00 0.57* 1.01S 0.485
PDPR PR HHZ A 72.7 276 96 EP- 1 11.53 11.07 11.31 0.00 -0.24 1.01 0.050
PDPR PR HH1 A 72.7 276 96 ES 1 20.88 20.42 20.13 0.00 0.29 1.01S 0.072
IGPR PR HHZ A 81.4 271 95 EP+ 1 12.60 12.14 12.40 0.00 -0.26 1.01 0.060 0.55 158 4.06 Z
IGPR PR HH1 A 81.4 271 95 ES 1 22.83 22.37 22.07 0.00 0.30 1.01S 0.084
SJG IU BHZ A 87.6 282 95 EP+ 1 13.20 12.74 13.19 0.00 -0.45 1.01 0.047
SJG IU BH1 A 87.6 282 95 ES 1 24.02 23.56 23.48 0.00 0.08 1.01S 0.071
GCPR PR HHZ A 88.0 297 94 EP+ 1 13.61 13.15 13.24 0.00 -0.09 1.01 0.047
GCPR PR HH1 A 88.0 297 94 ES 1 24.28 23.82 23.57 0.00 0.25 1.01S 0.106
TBVI PR HHZ A 91.8 55 94 EP- 1 14.10 13.64 13.72 0.00 -0.08 1.01 0.081
TBVI PR HH1 A 91.8 55 94 ES 1 24.97 24.51 24.42 0.00 0.09 1.01S 0.149
ASPR PR HHZ A 95.2 276 94 EP- 1 14.63 14.17 14.15 0.00 0.02 1.01 0.055
ASPR PR HH1 A 95.2 276 94 ES 1 25.99 25.53 25.19 0.00 0.34 1.01S 0.075
VGBI PR HHZ A115.4 58 93 EP- 1 17.31 16.85 16.70 0.00 0.15 0.92 0.072
VGBI PR HH1 A115.4 58 93 ES 1 31.07 30.61 29.73 0.00 0.88* 0.52S 0.040
ECPR PR HHZ A115.6 291 93 IPD 17.60 17.14 16.73 0.00 0.41 1.84 0.171 0.55 165 4.14 Z
ECPR PR HH2 A115.6 291 93 ES 1 31.41 30.95 29.78 0.00 1.17* 0.00S 0.000
ICMP PR HHZ A126.1 267 93 EP+ 1 19.40 18.94 18.05 0.00 0.89* 0.43 0.012
ICMP PR HH1 A126.1 267 93 ES 1 34.48 34.02 32.13 0.00 1.89* 0.00S 0.000
CELP PR HHZ A132.0 276 92 EP+ 1 19.37 18.91 18.80 0.00 0.11 0.71 0.029 0.55 151 4.08 Z
CELP PR HH2 A132.0 276 92 ES 1 34.07 33.61 33.46 0.00 0.15 0.71S 0.041
OBIP PR HHZ A134.6 275 92 EP- 1 20.10 19.64 19.12 0.00 0.52* 0.67 0.027
OBIP PR HH2 A134.6 275 92 ES 1 35.66 35.20 34.03 0.00 1.17* 0.00S 0.000
UUPR PR HHZ A149.9 283 92 EP+ 1 22.20 21.74 21.06 0.00 0.68* 0.42 0.009 0.55 136 4.00 Z
UUPR PR HH2 A149.9 283 92 ES 1 39.58 39.12 37.49 0.00 1.63* 0.00S 0.000
AOPR PR HHZ A155.9 287 92 EP+ 1 22.80 22.34 21.82 0.00 0.52* 0.33 0.005 0.55 161 4.16 Z
AOPR PR HH2 A155.9 287 92 ES 1 41.18 40.72 38.84 0.00 1.88* 0.00S 0.000
MLPR PR HHZ A180.7 271 91 EP+ 1 24.99 24.53 24.96 0.00 -0.43 0.04 0.000 0.55 132 4.01 Z
MLPR PR HH1 A180.7 271 91 ES 1 43.99 43.53 44.43 0.00 -0.90* 0.02S 0.000
AGPR PR HHZ A195.9 288 91 EP+ 1 28.47 28.01 26.89 0.00 1.12* 0.00 0.000
AGPR PR HH1 A195.9 288 91 ES 1 50.02 49.56 47.86 0.00 1.70* 0.00S 0.000
Event Maps
 Spectral Acceleration |
 Intensity Map |
 Peak Ground Velocity |
 Peak Ground Acceleration |
 DYFI Map |
Google Map for this Event |