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 Guánica, PR |
| Date: |
August 20, 2025 03:01:59 UTC August 19, 2025 23:01:59 Hora Local |
| Region: | South Region of Puerto Rico |
| Distances: |
6.03 Km South of Guánica,PR 16.89 Km South-Southeast of Yauco,PR 35.18 Km West-Southeast of Ponce,PR |
| Magnitude: | 3.29 Md |
| Location: | Latitude: 17.9358 Longitude: -66.9068 |
| Depth: | 9 Km |
| Tsunami Warning Level: | No Warning, Advisory or Watch is in effect for Puerto Rico and the Virgin Islands |
| Issued Date & Time | 2025-08-19 23:29:56 |
| ID: | 20250820030158 |
Epicentral Map
| BULLETIN 1 Seismic Event/Tsunami |
|
|---|---|
| DATE: | August 19, 2025 |
| LOCAL TIME: | 23:01:59 |
| LATITUDE: | 17.9358 N |
| LONGITUDE: | 66.9068 W |
| LOCATION: |
6 Km South of Guánica,PR
35.2 Km West-Southeast of Ponce,PR |
| DEPTH: | 9 Km |
| MAGNITUDE: | 3.29 Md |
| ESTIMATED MAXIMUM INTENSITY: | II in Guánica, PR |
| TSUNAMI ALERT LEVEL: | No Warning, Advisory or Watch is in effect for Puerto Rico and the Virgin Islands |
| DATE & ISSUED TIME | 2025-08-19 23:30:05 |
|
The Puerto Rico Seismic Network (PRSN) received information that this
minor earthquake was reported as
felt in Guánica with a maximum
intensity of II (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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Technical Information
YEAR MO DA --ORIGIN-- --LAT N- --LON W-- DEPTH RMS ERH ERZ XMAG FMAG PMAG INT
2025-08-20 0301 59.44 17 56.15 66 54.41 9.88 0.21 0.47 0.60 3.29 3.29D 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
36 36 5.2 PR1 188 14 18 24 11 36 Q PPP 0.00 0.00 13.00 0.13 D
XMAG2-N.XMG2-XMMAD-T-S FMAG2-N.FMG2-FMMAD-T-S PREF.MAG-N.PMAG-PRMAD-T
3.29 13.00 0.13 Z 3.29 13.00 0.13 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 5.2 33 146 IPU 61.60 2.16 2.08 0.00 0.08 1.91 0.428 0.58 87 3.24 Z
GBPR PR HH1 A 5.2 33 146 ES 1 63.02 3.58 3.70 0.00 -0.12 0.95S 0.359
MLPR PR HHZ A 15.0 285 108 EP- 1 62.50 3.06 3.30 0.00 -0.24 0.95 0.127 0.55 84 3.29 Z
MLPR PR HH2 A 15.0 285 108 ES 1 64.64 5.20 5.87 0.00 -0.67* 0.01S 0.000
CRPR PR HHZ A 22.8 290 98 IPU 63.67 4.23 4.48 0.00 -0.25 1.91 0.459 0.55 64 3.09 Z
CRPR PR HH1 A 22.8 290 98 ES 1 66.64 7.20 7.97 0.00 -0.77* 0.00S 0.000
LSP PR HHZ A 32.6 325 94 EP+ 1 65.42 5.98 5.96 0.00 0.02 0.95 0.054 0.58 88 3.42 Z
LSP PR HH1 A 32.6 325 94 ES 1 70.51 11.07 10.61 0.00 0.46 0.95S 0.142
OBIP PR HHZ A 34.0 69 94 EP- 1 65.50 6.06 6.17 0.00 -0.11 0.95 0.054 0.44 80 3.46 Z
OBIP PR HH2 A 34.0 69 94 ES 1 70.56 11.12 10.98 0.00 0.14 0.95S 0.118
CELP PR HHZ A 38.0 66 93 EP+ 1 66.17 6.73 6.79 0.00 -0.06 0.95 0.051 0.55 73 3.30 Z
CELP PR HH2 A 38.0 66 93 ES 1 71.11 11.67 12.09 0.00 -0.42 0.95S 0.119
PRSN PR HHZ A 40.1 322 93 EP+ 1 66.50 7.06 7.11 0.00 -0.05 0.95 0.057 0.55 51 2.99 Z
PRSN PR HH2 A 40.1 322 93 ES 1 72.44 13.00 12.66 0.00 0.34 0.95S 0.139
UUPR PR HHZ A 40.3 29 93 EP+ 1 66.52 7.08 7.14 0.00 -0.06 0.95 0.039 0.55 61 3.15 Z
UUPR PR HH1 A 40.3 29 93 ES 1 71.95 12.51 12.71 0.00 -0.20 0.95S 0.172
ICMP PR HHZ A 40.7 97 93 IPU 66.81 7.37 7.20 0.00 0.17 1.91 0.455
ICMP PR HH1 A 40.7 97 93 ES 1 72.18 12.74 12.82 0.00 -0.08 0.95S 0.181
AOPR PR HHZ A 48.3 19 92 IPU 67.79 8.35 8.37 0.00 -0.02 1.91 0.160 0.55 83 3.44 Z
AOPR PR HH1 A 48.3 19 92 ES 1 74.19 14.75 14.90 0.00 -0.15 0.95S 0.182
AGPR PR HHZ A 62.7 340 66 IPU 70.21 10.77 10.52 0.00 0.25 1.74 0.276 0.55 61 3.17 Z
AGPR PR HH2 A 62.7 340 66 ES 1 77.66 18.22 18.73 0.00 -0.51* 0.79S 0.140
ECPR PR HHZ A 71.5 53 66 EP+ 1 71.30 11.86 11.76 0.00 0.10 0.68 0.044 0.55 80 3.43 Z
ECPR PR HH1 A 71.5 53 66 ES 1 79.98 20.54 20.93 0.00 -0.39 0.68S 0.104
EMPR PR HHZ A 72.0 33 66 EP- 1 71.98 12.54 11.83 0.00 0.71* 0.00 0.000 0.55 70 3.31 Z
EMPR PR HH2 A 72.0 33 66 ES 1 80.88 21.44 21.06 0.00 0.38 0.66S 0.103
SJG IU BHZ A 82.5 76 55 EP+ 1 72.99 13.55 13.24 0.00 0.31 0.37 0.024 0.73 76 3.27 Z
SJG IU BH2 A 82.5 76 55 ES 1 82.29 22.85 23.57 0.00 -0.72* 0.00S 0.000
PDPR PR HHZ A 94.2 84 55 EP+ 1 74.62 15.18 14.72 0.00 0.46 0.10 0.001
PDPR PR HH2 A 94.2 84 55 ES 1 86.43 26.99 26.20 0.00 0.79* 0.00S 0.000
MTP PR HHZ A144.5 82 55 EP+ 2 82.44 23.00 21.10 0.00 1.90* 0.00 0.000
MTP PR HH2 A144.5 82 55 ES 1 97.86 38.42 37.56 0.00 0.86* 0.00S 0.000
VGBI PR HHZ A272.0 76 55 EP- 2 100.28 40.84 37.23 0.00 3.61* 0.00 0.000
VGBI PR HH1 A272.0 76 55 ES 1 127.10 67.66 66.27 0.00 1.39* 0.00S 0.000
HMDR DR BHZ A278.1 291 55 EP+ 2 101.27 41.83 38.00 0.00 3.83* 0.00 0.000
HMDR DR BHN A278.1 291 55 ES 2 129.98 70.54 67.64 0.00 2.90* 0.00S 0.000
Event Maps
 Spectral Acceleration |
 Intensity Map |
 Peak Ground Velocity |
 Peak Ground Acceleration |
 DYFI Map |
Google Map for this Event |