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 St. Thomas, USVI |
| Date: |
March 31, 2026 21:15:38 UTC March 31, 2026 17:15:38 Hora Local |
| Region: | Sombrero Seismic Zone |
| Distances: |
80.53 Km Northwest of Anegada,BVI 92.75 Km North-Northwest of Road Town, Tortola,BVI 156.99 Km Northeast of San Juan,PR |
| Magnitude: | 4.9 Ml |
| Location: | Latitude: 19.2161 Longitude: -64.8965 |
| Depth: | 20 Km |
| Tsunami Warning Level: | No Warning, Advisory or Watch is in effect for Puerto Rico and the Virgin Islands |
| Issued Date & Time | 2026-03-31 19:14:41 |
| ID: | 20260331211537 |
Epicentral Map
| BULLETIN 3 Seismic Event/Tsunami |
|
|---|---|
| DATE: | March 31, 2026 |
| LOCAL TIME: | 17:15:38 |
| LATITUDE: | 19.2161 N |
| LONGITUDE: | 64.8965 W |
| LOCATION: |
80.5 Km Northwest of Anegada,BVI
157 Km Northeast of San Juan,PR |
| DEPTH: | 20 Km |
| MAGNITUDE: | 4.9 Ml |
| ESTIMATED MAXIMUM INTENSITY: | IV in St. Thomas, USVI |
| TSUNAMI ALERT LEVEL: | No Warning, Advisory or Watch is in effect for Puerto Rico and the Virgin Islands |
| DATE & ISSUED TIME | 2026-03-31 19:14:53 |
|
The Puerto Rico Seismic Network (PRSN) received information that this
light earthquake was reported as
felt in St. Thomas and the Eastern region of Puerto Rico with a maximum
intensity of IV (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
2026-03-31 2115 38.20 19 12.97 64 53.79 20.20 0.32 1.12 27.75 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
63 63 92.8 PR1 222 14 31 54 27 61 Q- PPG 0.00 0.00 0.00 0.00 D
REGION= Sombrero Seismic Zone
COMMENT= EB 4.9 Ml - NEIC 4.9 Mww - PTWC 4.7
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 A 92.8 161 90 IPD 51.90 13.70 13.82 0.00 -0.12 1.75 0.204
TBVI PR HH1 A 92.8 161 90 ES 1 64.08 25.88 24.60 0.00 1.28* 0.00S 0.015
VGBI PR HHZ A 95.8 146 90 IPD 52.26 14.06 14.19 0.00 -0.13 1.75 0.272
VGBI PR HH1 A 95.8 146 90 ES 1 63.16 24.96 25.26 0.00 -0.30 0.88S 0.147
STVI PR HHZ A 95.8 184 90 EP- 1 52.26 14.06 14.20 0.00 -0.14 0.88 0.141
STVI PR HH2 A 95.8 184 90 ES 1 63.29 25.09 25.28 0.00 -0.19 0.88S 0.909
CUPR PR HHZ A108.5 203 90 IPD 54.18 15.98 15.81 0.00 0.17 1.75 0.069
CUPR PR HH2 A108.5 203 90 ES 1 66.59 28.39 28.14 0.00 0.25 0.88S 0.129
FAPR PR HHZ A136.6 217 90 IPD 57.65 19.45 19.37 0.00 0.08 1.75 0.047
FAPR PR HH1 A136.6 217 90 ES 1 72.57 34.37 34.48 0.00 -0.11 0.88S 0.093
GCPR PR HHZ A160.5 232 90 IPD 60.05 21.85 22.38 0.00 -0.53* 1.75 0.053
GCPR PR HH1 A160.5 232 90 ES 1 78.33 40.13 39.84 0.00 0.29 0.88S 0.055
CDVI PR HHZ A162.6 175 90 IPD 62.35 24.15 22.66 0.00 1.49* 0.00 0.000
CDVI PR HH1 A162.6 175 90 ES 1 79.19 40.99 40.33 0.00 0.66* 0.88S 0.160
PDPR PR HHZ A178.0 223 90 IPD 62.74 24.54 24.61 0.00 -0.07 1.75 0.045
PDPR PR HH1 A178.0 223 90 ES 1 81.76 43.56 43.81 0.00 -0.25 0.88S 0.077
SJG IU BHZ A180.1 228 90 IPD 63.02 24.82 24.87 0.00 -0.05 1.75 0.047
SJG IU BH1 A180.1 228 90 ES 1 80.87 42.67 44.27 0.00 -1.60* 0.00S 0.000
ECPR PR HHZ A183.8 238 90 IPD 63.10 24.90 25.33 0.00 -0.43 1.75 0.069
ECPR PR HH1 A183.8 238 90 ES 1 83.29 45.09 45.09 0.00 0.00 0.88S 0.045
IGPR PR HHZ A188.4 223 90 IPD 64.12 25.92 25.92 0.00 0.00 1.75 0.045
IGPR PR HH1 A188.4 223 90 ES 1 84.18 45.98 46.14 0.00 -0.16 0.88S 0.077
EMPR PR HHZ A190.6 245 90 EP- 1 64.32 26.12 26.19 0.00 -0.07 0.88 0.025
EMPR PR HH1 A190.6 245 90 ES 1 85.03 46.83 46.62 0.00 0.21 0.88S 0.039
ASPR PR HHZ A192.9 228 90 IPD 64.44 26.24 26.49 0.00 -0.25 1.75 0.047
ASPR PR HH2 A192.9 228 90 ES 1 84.49 46.29 47.15 0.00 -0.86* 0.62S 0.032
CVPR PR HNZ A207.9 235 90 EP+ 1 67.47 29.27 28.39 0.00 0.88* 0.53 0.005
CVPR PR HN1 A207.9 235 90 ES 1 87.72 49.52 50.53 0.00 -1.01* 0.10S 0.000
CELP PR HHZ A217.9 235 90 IPD 67.94 29.74 29.66 0.00 0.08 1.75 0.060
CELP PR HH1 A217.9 235 90 ES 1 90.58 52.38 52.79 0.00 -0.41 0.88S 0.050
AOPR PR HHZ A218.2 245 90 IPD 67.81 29.61 29.70 0.00 -0.09 1.75 0.101
AOPR PR HH2 A218.2 245 90 ES 1 90.96 52.76 52.87 0.00 -0.11 0.88S 0.039
UUPR PR HHZ A219.9 242 90 EP- 1 67.82 29.62 29.91 0.00 -0.29 0.88 0.021
UUPR PR HH1 A219.9 242 90 ES 1 91.17 52.97 53.24 0.00 -0.27 0.88S 0.041
ICMP PR HHZ A226.5 230 90 IPD 69.52 31.32 30.74 0.00 0.58* 1.75 0.050
ICMP PR HH2 A226.5 230 90 ES 1 92.80 54.60 54.72 0.00 -0.12 0.88S 0.060
AGPR PR HHZ A247.7 251 90 EP+ 1 71.32 33.12 33.43 0.00 -0.31 0.88 0.035
AGPR PR HH1 A247.7 251 90 ES 1 97.45 59.25 59.51 0.00 -0.26 0.88S 0.041
SABA NA BHZ A248.5 135 90 EP+ 2 73.68 35.48 33.52 0.00 1.96* 0.00 0.000
GBPR PR HHZ A250.4 238 90 IPD 72.44 34.24 33.76 0.00 0.48 1.75 0.069
GBPR PR HH1 A250.4 238 90 ES 1 98.55 60.35 60.09 0.00 0.26 0.88S 0.045
LSP PR HHZ A258.1 244 90 EP+ 1 73.00 34.80 34.74 0.00 0.06 0.88 0.024
LSP PR HH1 A258.1 244 90 ES 1 100.42 62.22 61.84 0.00 0.38 0.88S 0.040
PRSN PR HHZ A261.7 246 90 EP+ 1 73.87 35.67 35.19 0.00 0.48 0.88 0.026
PRSN PR HH2 A261.7 246 90 ES 1 101.55 63.35 62.64 0.00 0.71* 0.88S 0.039
MLPR PR HHZ A265.4 240 90 EP- 1 74.17 35.97 35.67 0.00 0.30 0.88 0.019
MLPR PR HH1 A265.4 240 90 ES 1 101.42 63.22 63.49 0.00 -0.27 0.88S 0.043
CRPR PR HHZ A269.3 241 90 IPD 74.53 36.33 36.16 0.00 0.17 1.75 0.081
CRPR PR HH2 A269.3 241 90 ES 1 101.70 63.50 64.36 0.00 -0.86* 0.62S 0.020
PCDR PR BHZ A375.5 259 90 EP+ 1 87.42 49.22 49.60 0.00 -0.38 0.83 0.047
PCDR PR BHN A375.5 259 90 ES 1 127.35 89.15 88.29 0.00 0.86* 0.56S 0.022
ABD WI BHZ A472.0 129 90 EP+ 1 100.33 62.13 61.82 0.00 0.31 0.50 0.033
ABD WI BHN A472.0 129 90 ES 1 148.61110.41110.04 0.00 0.37 0.50S 0.053
HMDR DR BHZ A475.0 265 90 EP- 1 99.38 61.18 62.20 0.00 -1.02* 0.05 0.000
HMDR DR BHE A475.0 265 90 ES 1 148.24110.04110.72 0.00 -0.68* 0.49S 0.024
DSD WI BHZ A518.2 127 90 EP+ 1 105.29 67.09 67.67 0.00 -0.58* 0.31 0.013
DSD WI BHN A518.2 127 90 ES 1 158.52120.32120.45 0.00 -0.13 0.31S 0.020
SDD DR BHZ A536.3 262 90 EP+ 1 108.02 69.82 69.95 0.00 -0.13 0.24 0.004
SDD DR BHE A536.3 262 90 ES 1 162.95124.75124.51 0.00 0.24 0.24S 0.004
SDDR CU BHZ A674.3 269 90 EP- 1 125.02 86.82 87.42 0.00 -0.60* 0.00 0.000
SDDR CU BH1 A674.3 269 90 ES 1 191.71153.51155.61 0.00 -2.10* 0.00S 0.000
2 UNWEIGHTED STATIONS NOT PRINTED.
Event Maps
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 Intensity Map |
 Peak Ground Velocity |
 Peak Ground Acceleration |
 DYFI Map |
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