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 Aguada, PR |
| Date: |
October 31, 2025 16:52:39 UTC October 31, 2025 12:52:39 Hora Local |
| Region: | 19° N Fault Zone |
| Distances: |
69.52 Km North of Quebradillas,PR 70.06 Km North-Northeast of Isabela,PR 75.3 Km North-Northwest of Arecibo,PR |
| Magnitude: | 3.45 Md |
| Location: | Latitude: 19.0688 Longitude: -66.8466 |
| Depth: | 42 Km |
| Tsunami Warning Level: | No Warning, Advisory or Watch is in effect for Puerto Rico and the Virgin Islands |
| Issued Date & Time | 2025-10-31 13:22:30 |
| ID: | 20251031165239 |
Epicentral Map
| BULLETIN 1 Seismic Event/Tsunami |
|
|---|---|
| DATE: | October 31, 2025 |
| LOCAL TIME: | 12:52:39 |
| LATITUDE: | 19.0688 N |
| LONGITUDE: | 66.8466 W |
| LOCATION: |
69.5 Km North of Quebradillas,PR
75.3 Km North-Northwest of Arecibo,PR |
| DEPTH: | 42 Km |
| MAGNITUDE: | 3.45 Md |
| ESTIMATED MAXIMUM INTENSITY: | II in Aguada, PR |
| TSUNAMI ALERT LEVEL: | No Warning, Advisory or Watch is in effect for Puerto Rico and the Virgin Islands |
| DATE & ISSUED TIME | 2025-10-31 13:22:39 |
|
The Puerto Rico Seismic Network (PRSN) received information that this
minor earthquake was reported as
felt in Aguada 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
2025-10-31 1652 39.17 19 4.13 66 50.80 42.82 0.46 2.05 6.40 3.45 3.45D 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
40 40 72.2 PR1 236 11 20 36 16 40 Q PPM 0.00 0.00 13.00 0.04 D
XMAG2-N.XMG2-XMMAD-T-S FMAG2-N.FMG2-FMMAD-T-S PREF.MAG-N.PMAG-PRMAD-T
3.45 13.00 0.04 Z 3.45 13.00 0.04 D
REGION= 19 N Fault Zone
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
AGPR PR HHZ A 72.2 203 114 EP+ 1 50.50 11.33 11.86 0.00 -0.53* 1.00 0.112 0.55 74 3.40 Z
AGPR PR HH2 A 72.2 203 114 ES 1 60.24 21.07 21.11 0.00 -0.04 1.00S 0.301
EMPR PR HHZ A 73.5 152 113 EP+ 1 51.07 11.90 12.02 0.00 -0.12 1.00 0.115 0.55 79 3.46 Z
EMPR PR HH1 A 73.5 152 113 ES 1 60.88 21.71 21.40 0.00 0.31 1.00S 0.319
AOPR PR HHZ A 80.5 173 111 EP+ 1 51.73 12.56 12.83 0.00 -0.27 1.00 0.048 0.55 72 3.38 Z
AOPR PR HH2 A 80.5 173 111 ES 1 61.39 22.22 22.84 0.00 -0.62* 1.00S 0.155
UUPR PR HHZ A 91.3 171 108 EP+ 1 52.90 13.73 14.11 0.00 -0.38 1.00 0.032
UUPR PR HH1 A 91.3 171 108 ES 1 65.47 26.30 25.12 0.00 1.18* 0.98S 0.100
PRSN PR HHZ A 99.3 199 106 EP+ 1 54.02 14.85 15.09 0.00 -0.24 1.00 0.050 0.55 70 3.38 Z
PRSN PR HH2 A 99.3 199 106 ES 1 63.74 24.57 26.86 0.00 -2.29* 0.00S 0.000
LSP PR HHZ A102.0 195 106 EP+ 1 54.45 15.28 15.41 0.00 -0.13 1.00 0.045 0.58 72 3.38 Z
LSP PR HH1 A102.0 195 106 ES 1 67.01 27.84 27.43 0.00 0.41 1.00S 0.125
CVPR PR HNZ A111.1 160 104 EP+ 1 55.79 16.62 16.52 0.00 0.10 1.00 0.032
CVPR PR HN1 A111.1 160 104 ES 1 65.89 26.72 29.41 0.00 -2.69* 0.00S 0.000
OBIP PR HHZ A116.4 167 104 IPU 56.62 17.45 17.16 0.00 0.29 2.00 0.145 0.44 73 3.53 Z
OBIP PR HH1 A116.4 167 104 ES 1 69.66 30.49 30.54 0.00 -0.05 1.00S 0.115
GCPR PR HHZ A116.4 136 104 EP+ 1 55.76 16.59 17.17 0.00 -0.58* 1.00 0.069 0.55 77 3.48 Z
GCPR PR HH2 A116.4 136 104 ES 1 69.99 30.82 30.56 0.00 0.26 1.00S 0.103
CRPR PR HHZ A120.8 194 103 EP- 1 56.88 17.71 17.71 0.00 0.00 1.00 0.058 0.55 77 3.49 Z
CRPR PR HH1 A120.8 194 103 ES 1 70.26 31.09 31.52 0.00 -0.43 1.00S 0.169
GBPR PR HHZ A121.1 182 103 EP+ 1 57.09 17.92 17.75 0.00 0.17 1.00 0.049 0.58 76 3.45 Z
GBPR PR HH1 A121.1 182 103 ES 1 70.74 31.57 31.59 0.00 -0.02 1.00S 0.162
MLPR PR HHZ A123.4 190 103 EP+ 1 57.33 18.16 18.03 0.00 0.13 1.00 0.058 0.55 74 3.45 Z
MLPR PR HH1 A123.4 190 103 ES 1 70.09 30.92 32.09 0.00 -1.17* 0.99S 0.174
SJG IU BHZ A129.0 145 102 EP+ 1 57.85 18.68 18.71 0.00 -0.03 1.00 0.048
SJG IU BH1 A129.0 145 102 ES 1 73.06 33.89 33.30 0.00 0.59* 1.00S 0.084
ASPR PR HHZ A132.0 150 102 EP+ 1 58.21 19.04 19.09 0.00 -0.05 1.00 0.045 0.00 59 2.40 Z
ASPR PR HH1 A132.0 150 102 ES 1 71.48 32.31 33.98 0.00 -1.67* 0.01S 0.000
ICMP PR HHZ A135.2 165 101 EP+ 1 59.57 20.40 19.48 0.00 0.92* 1.00 0.051
ICMP PR HH1 A135.2 165 101 ES 1 75.67 36.50 34.67 0.00 1.83* 0.00S 0.000
PDPR PR HHZ A145.3 143 100 EP+ 1 59.98 20.81 20.74 0.00 0.07 1.00 0.056
PDPR PR HH2 A145.3 143 100 ES 1 75.07 35.90 36.92 0.00 -1.02* 1.00S 0.098
HUMP PR HHZ A147.0 134 100 EP+ 1 60.20 21.03 20.95 0.00 0.08 1.00 0.070 0.55 70 3.43 Z
HUMP PR HH2 A147.0 134 100 ES 1 76.75 37.58 37.29 0.00 0.29 1.00S 0.092
FAPR PR HHZ A157.1 126 99 EP+ 1 61.09 21.92 22.20 0.00 -0.28 1.00 0.093 0.55 74 3.49 Z
FAPR PR HH1 A157.1 126 99 ES 1 78.64 39.47 39.52 0.00 -0.05 1.00S 0.113
PCDR PR BHZ A173.0 250 98 EP+ 1 64.11 24.94 24.20 0.00 0.74* 1.00 0.208
PCDR PR BHN A173.0 250 98 ES 1 81.81 42.64 43.08 0.00 -0.44 1.00S 0.291
MTP PR HHZ A173.8 128 98 EP+ 1 62.94 23.77 24.30 0.00 -0.53* 1.00 0.088
MTP PR HH1 A173.8 128 98 ES 1 82.36 43.19 43.25 0.00 -0.06 1.00S 0.109
Event Maps
 Spectral Acceleration |
 Intensity Map |
 Peak Ground Velocity |
 Peak Ground Acceleration |
 DYFI Map |
Google Map for this Event |