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 Toa Alta, PR |
| Date: |
April 23, 2023 03:48:55 UTC April 22, 2023 23:48:55 Hora Local |
| Region: | Sombrero Seismic Zone |
| Distances: |
57.13 Km North-Northwest of Anegada,BVI 80.99 Km North-Northwest of Virgin Gorda,BVI 185.33 Km East-Northeast of San Juan,PR |
| Magnitude: | 3.55 Md |
| Location: | Latitude: 19.1965 Longitude: -64.5816 |
| Depth: | 34 Km |
| Tsunami Warning Level: | No Warning, Advisory or Watch is in effect for Puerto Rico and the Virgin Islands |
| Issued Date & Time | 2023-04-23 00:29:07 |
| ID: | 20230423034839 |
Epicentral Map
| BULLETIN 1 Seismic Event/Tsunami |
|
|---|---|
| DATE: | April 22, 2023 |
| LOCAL TIME: | 23:48:55 |
| LATITUDE: | 19.1965 N |
| LONGITUDE: | 64.5816 W |
| LOCATION: |
57.1 Km North-Northwest of Anegada,BVI
185.3 Km East-Northeast of San Juan,PR |
| DEPTH: | 34 Km |
| MAGNITUDE: | 3.55 Md |
| ESTIMATED MAXIMUM INTENSITY: | II in Toa Alta, PR |
| TSUNAMI ALERT LEVEL: | No Warning, Advisory or Watch is in effect for Puerto Rico and the Virgin Islands |
| DATE & ISSUED TIME | 2023-04-23 00:29:13 |
|
The Puerto Rico Seismic Network (PRSN) received information that this
minor earthquake was reported as
felt in Toa Alta 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
2023-04-23 0348 55.24 19 11.79 64 34.90 34.04 0.28 4.00 19.39 3.55 3.55D 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
18 18 97.8 PR1 309 15 8 16 8 16 Q- PPD 0.00 0.00 5.00 0.09 D
XMAG2-N.XMG2-XMMAD-T-S FMAG2-N.FMG2-FMMAD-T-S PREF.MAG-N.PMAG-PRMAD-T
3.55 5.00 0.09 Z 3.55 5.00 0.09 D
REGION= Sombrero Seismic 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
SJVI PR HHZ A 97.8 192 101 EP+ 1 69.84 14.60 14.63 0.00 -0.03 1.00 0.239 0.55 78 3.46 Z
SJVI PR HH2 A 97.8 192 101 ES 1 81.31 26.07 26.04 0.00 0.03 1.00S 0.398
STVI PR HHZ A101.5 203 100 EP+ 1 69.96 14.72 15.08 0.00 -0.36 1.00 0.180 0.55 78 3.46 Z
STVI PR HH1 A101.5 203 100 ES 1 81.69 26.45 26.84 0.00 -0.39 1.00S 0.344
CUPR PR HHZ A123.1 218 98 EP+ 1 72.94 17.70 17.78 0.00 -0.08 1.00 0.115 0.55 84 3.55 Z
CUPR PR HH1 A123.1 218 98 ES 1 87.44 32.20 31.65 0.00 0.55* 1.00S 0.187
MTP PR HHZ A159.1 221 96 EP+ 1 77.69 22.45 22.30 0.00 0.15 1.00 0.235 0.55 87 3.62 Z
MTP PR HH2 A159.1 221 96 ES 1 94.90 39.66 39.69 0.00 -0.03 1.00S 0.497
HUMP PR HHZ A177.5 230 95 EP- 1 80.24 25.00 24.62 0.00 0.38 1.00 0.149 0.55 89 3.66 Z
HUMP PR HH1 A177.5 230 95 ES 1 99.28 44.04 43.82 0.00 0.22 1.00S 0.223
GCPR PR HHZ A186.4 239 95 EP+ 1 81.02 25.78 25.74 0.00 0.04 1.00 0.175
GCPR PR HH2 A186.4 239 95 ES 1 101.08 45.84 45.82 0.00 0.02 1.00S 0.291
ECPR PR HHZ A211.5 243 94 EP+ 1 83.87 28.63 28.91 0.00 -0.28 1.00 0.205
ECPR PR HH1 A211.5 243 94 ES 1 106.73 51.49 51.46 0.00 0.03 1.00S 0.348
CELP PR HHZ A244.7 240 93 EP+ 1 88.59 33.35 33.10 0.00 0.25 1.00 0.174
CELP PR HH1 A244.7 240 93 ES 1 113.58 58.34 58.92 0.00 -0.58* 1.00S 0.232
2 UNWEIGHTED STATIONS NOT PRINTED.
Event Maps
 Spectral Acceleration |
 Intensity Map |
 Peak Ground Velocity |
 Peak Ground Acceleration |
 DYFI Map |
Google Map for this Event |