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: | III in San Juan, PR |
| Date: |
August 21, 2023 01:33:55 UTC August 20, 2023 21:33:55 Hora Local |
| Region: | Sombrero Seismic Zone |
| Distances: |
53.09 Km North-Northwest of Anegada,BVI 78.93 Km North of Virgin Gorda,BVI 193.86 Km East-Northeast of San Juan,PR |
| Magnitude: | 3.62 Md |
| Location: | Latitude: 19.1936 Longitude: -64.4925 |
| Depth: | 52 Km |
| Tsunami Warning Level: | No Warning, Advisory or Watch is in effect for Puerto Rico and the Virgin Islands |
| Issued Date & Time | 2023-08-20 23:24:48 |
| ID: | 20230821013350 |
Epicentral Map
| BULLETIN 2 Seismic Event/Tsunami |
|
|---|---|
| DATE: | August 20, 2023 |
| LOCAL TIME: | 21:33:55 |
| LATITUDE: | 19.1936 N |
| LONGITUDE: | 64.4925 W |
| LOCATION: |
53.1 Km North-Northwest of Anegada,BVI
193.9 Km East-Northeast of San Juan,PR |
| DEPTH: | 52 Km |
| MAGNITUDE: | 3.62 Md |
| ESTIMATED MAXIMUM INTENSITY: | III in San Juan, PR |
| TSUNAMI ALERT LEVEL: | No Warning, Advisory or Watch is in effect for Puerto Rico and the Virgin Islands |
| DATE & ISSUED TIME | 2023-08-20 23:24:54 |
|
The Puerto Rico Seismic Network (PRSN) received information that this
minor earthquake was reported as
felt in San Juan with a maximum
intensity of III (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
2023-08-21 0133 55.34 19 11.62 64 29.55 52.54 0.37 7.55 16.74 3.62 3.62D III
SOURCE
NSTA NPHS DMIN MODEL GAP ITR NFM NWR NWS NVR REMRKS-AVH N.XMG-XMMAD-T N.FMG-FMMAD-T L F X
17 17 105.2 PR1 323 12 9 15 7 17 Q PPK 0.00 0.00 5.00 0.08 D
XMAG2-N.XMG2-XMMAD-T-S FMAG2-N.FMG2-FMMAD-T-S PREF.MAG-N.PMAG-PRMAD-T
3.62 5.00 0.08 Z 3.62 5.00 0.08 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
STVI PR HHZ A105.2 208 111 EP- 1 71.36 16.02 16.19 0.00 -0.17 1.00 0.316 0.55 70 3.40 Z
STVI PR HH2 A105.2 208 111 ES 1 84.25 28.91 28.82 0.00 0.09 1.00S 0.657
FAPR PR HHZ A163.6 229 103 EP- 1 78.97 23.63 23.27 0.00 0.36 1.00 0.120
FAPR PR HH1 A163.6 229 103 ES 1 96.34 41.00 41.42 0.00 -0.42 1.00S 0.168
MTP PR HHZ A165.0 223 103 EP+ 1 78.47 23.13 23.44 0.00 -0.31 1.00 0.228 0.55 76 3.54 Z
MTP PR HH1 A165.0 223 103 ES 1 97.70 42.36 41.72 0.00 0.64* 1.00S 0.470
HUMP PR HHZ A184.5 232 101 EP+ 1 80.86 25.52 25.84 0.00 -0.32 1.00 0.124
HUMP PR HH1 A184.5 232 101 ES 1 100.92 45.58 46.00 0.00 -0.42 1.00S 0.178
GCPR PR HHZ A194.3 240 100 EP+ 3 81.09 25.75 27.06 0.00 -1.31* 0.00 0.000
GCPR PR HH2 A194.3 240 100 ES 3 101.85 46.51 48.17 0.00 -1.66* 0.00S 0.000
ECPR PR HHZ A219.7 245 99 EP- 1 86.18 30.84 30.23 0.00 0.61* 1.00 0.245 0.55 79 3.64 Z
ECPR PR HH2 A219.7 245 99 ES 1 109.01 53.67 53.81 0.00 -0.14 1.00S 0.550
CELP PR HHZ A252.7 241 98 EP+ 1 89.10 33.76 34.35 0.00 -0.59* 1.00 0.142 0.55 90 3.79 Z
CELP PR HH2 A252.7 241 98 ES 1 116.66 61.32 61.14 0.00 0.18 1.00S 0.211
MLPR PR HHZ A301.6 244 96 EP+ 1 95.86 40.52 40.49 0.00 0.03 1.00 0.163
CRPR PR HHZ A306.0 245 96 EP- 1 96.70 41.36 41.04 0.00 0.32 1.00 0.164 0.55 70 3.62 Z
CRPR PR HH2 A306.0 245 96 ES 1 128.49 73.15 73.05 0.00 0.10 1.00S 0.257
Event Maps
 Spectral Acceleration |
 Intensity Map |
 Peak Ground Velocity |
 Peak Ground Acceleration |
 DYFI Map |
Google Map for this Event |