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: | I |
| Date: |
August 21, 2026 02:36:49 UTC August 20, 2026 22:36:49 Hora Local |
| Region: | Puerto Rico Trench |
| Distances: |
94.69 Km Northwest of Anegada,BVI 113.37 Km North-Northwest of Road Town, Tortola,BVI 173.58 Km Northeast of San Juan,PR |
| Magnitude: | 3.73 Md |
| Location: | Latitude: 19.4205 Longitude: -64.8648 |
| Depth: | 18 Km |
| Tsunami Warning Level: | No Warning, Advisory or Watch is in effect for Puerto Rico and the Virgin Islands |
| Issued Date & Time | 2026-08-21 06:35:00 |
| ID: | 20260821023644 |
Epicentral Map
Technical Information
YEAR MO DA --ORIGIN-- --LAT N- --LON W-- DEPTH RMS ERH ERZ XMAG FMAG PMAG INT
2026-08-21 0236 49.39 19 25.23 64 51.89 18.34 0.35 3.49 6.86 3.73 3.73D
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 36 113.7 PR1 267 16 18 32 14 35 Q PPM 0.00 0.00 12.00 0.16 D
XMAG2-N.XMG2-XMMAD-T-S FMAG2-N.FMG2-FMMAD-T-S PREF.MAG-N.PMAG-PRMAD-T
3.73 12.00 0.16 Z 3.73 12.00 0.16 D
REGION= Puerto Rico Trench
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
TBVI PR HHZ A113.7 166 63 EP+ 1 65.84 16.45 16.56 0.00 -0.11 1.05 0.125
TBVI PR HH1 A113.7 166 63 ES 1 79.27 29.88 29.48 0.00 0.40 1.05S 0.258
VGBI PR HHZ A113.9 154 63 EP+ 1 65.89 16.50 16.59 0.00 -0.09 1.05 0.211 0.00 87 2.70 Z
VGBI PR HH2 A113.9 154 63 ES 1 78.89 29.50 29.53 0.00 -0.03 1.05S 0.512
STVI PR HHZ A118.6 185 63 EP- 1 66.24 16.85 17.19 0.00 -0.34 1.05 0.101 0.55 86 3.55 Z
STVI PR HH2 A118.6 185 63 ES 1 79.72 30.33 30.60 0.00 -0.27 1.05S 0.210
CUPR PR HHZ A130.8 200 63 EP+ 1 67.82 18.43 18.73 0.00 -0.30 1.05 0.099 0.55 96 3.66 Z
CUPR PR HH1 A130.8 200 63 ES 1 82.51 33.12 33.34 0.00 -0.22 1.05S 0.219
FAPR PR HHZ A157.2 213 63 EP+ 1 71.90 22.51 22.07 0.00 0.44 1.05 0.082 0.55 67 3.36 Z
FAPR PR HH1 A157.2 213 63 ES 1 89.19 39.80 39.28 0.00 0.52* 1.05S 0.174
GCPR PR HHZ A177.8 227 63 EP+ 1 73.70 24.31 24.68 0.00 -0.37 1.05 0.060
GCPR PR HH1 A177.8 227 63 ES 1 93.75 44.36 43.93 0.00 0.43 1.05S 0.111
PDPR PR HHZ A197.5 219 63 EP+ 1 76.57 27.18 27.17 0.00 0.01 1.05 0.071
PDPR PR HH2 A197.5 219 63 ES 1 96.07 46.68 48.36 0.00 -1.68* 0.12S 0.001
ECPR PR HHZ A199.5 233 63 EP+ 1 76.80 27.41 27.42 0.00 -0.01 1.05 0.060 0.55 102 3.79 Z
ECPR PR HH1 A199.5 233 63 ES 1 99.81 50.42 48.81 0.00 1.61* 0.28S 0.007
IGPR PR HHZ A207.6 220 63 EP+ 1 78.02 28.63 28.45 0.00 0.18 1.05 0.069 0.55 83 3.61 Z
IGPR PR HH1 A207.6 220 63 ES 1 100.85 51.46 50.64 0.00 0.82* 1.05S 0.137
ASPR PR HHZ A211.2 224 63 EP+ 1 78.04 28.65 28.90 0.00 -0.25 1.05 0.063 0.00 92 2.86 Z
ASPR PR HH1 A211.2 224 63 ES 1 98.30 48.91 51.44 0.00 -2.53* 0.00S 0.000
AOPR PR HHZ A231.9 240 63 EP+ 1 80.77 31.38 31.52 0.00 -0.14 1.05 0.077 0.55 115 3.94 Z
AOPR PR HH2 A231.9 240 63 ES 1 105.72 56.33 56.11 0.00 0.22 1.05S 0.166
CELP PR HHZ A234.3 231 63 EP+ 1 81.50 32.11 31.83 0.00 0.28 1.05 0.059 0.55 104 3.85 Z
CELP PR HH1 A234.3 231 63 ES 1 103.28 53.89 56.66 0.00 -2.77* 0.00S 0.000
UUPR PR HHZ A234.4 237 63 EP+ 1 81.26 31.87 31.85 0.00 0.02 1.05 0.067 0.55 104 3.85 Z
UUPR PR HH1 A234.4 237 63 ES 1 105.50 56.11 56.69 0.00 -0.58* 1.05S 0.135
OBIP PR HHZ A238.7 231 63 EP+ 1 82.06 32.67 32.39 0.00 0.28 1.05 0.059
OBIP PR HH1 A238.7 231 63 ES 1 106.35 56.96 57.65 0.00 -0.69* 1.05S 0.108
AGPR PR HHZ A259.1 247 63 EP+ 1 84.19 34.80 34.97 0.00 -0.17 1.05 0.121
AGPR PR HH1 A259.1 247 63 ES 1 111.97 62.58 62.25 0.00 0.33 1.05S 0.302
GBPR PR HHZ A266.0 234 63 EP+ 1 85.66 36.27 35.85 0.00 0.42 1.05 0.061 0.58 115 3.95 Z
GBPR PR HH1 A266.0 234 63 ES 1 111.28 61.89 63.81 0.00 -1.92* 0.00S 0.000
MLPR PR HHZ A280.5 236 63 EP+ 1 87.28 37.89 37.68 0.00 0.21 1.05 0.065 0.55 101 3.87 Z
MLPR PR HH1 A280.5 236 63 ES 1 116.13 66.74 67.07 0.00 -0.33 1.05S 0.127
CRPR PR HHZ A283.9 237 63 EP+ 1 87.48 38.09 38.11 0.00 -0.02 1.05 0.067
1 UNWEIGHTED STATIONS NOT PRINTED.