Key information extracted from original GTS message :
- An earthquake with a preliminary magnitude of 7.7 occurred southeast of the loyalty ISLANDS at 0257 UTC on friday MAY 19 2023
- Based on all available data the TSUNAMI threat from this earthquake has now passed
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- The following are tsunami wave observations from coastal and/or deep-ocean sea level gauges at the indicated locations the maximum tsunami height is measured with respect to the normal tide level
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GAUGE LOCATION | LAT | LON | TIME (UTC) | HEIGHT (m) | PERIOD (min) |
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Lenakel Vu | -19.5 | 169.3 | 05: 11 | 0.61 | 04 |
East Cape Nz | -37.6 | 178.2 | 05: 44 | 0.11 | 08 |
Fishing Rock Raoul | -29.3 | -177.9 | 05: 35 | 0.15 | 04 |
Raoul Is Boat Cove | -29.3 | -177.9 | 05: 23 | 0.07 | 06 |
North Cape Nz | -34.4 | 173 | 05: 32 | 0.21 | 06 |
Hienghene New Cale | -20.7 | 164.9 | 04: 54 | 0.03 | 20 |
Thio New Caledonia | -21.6 | 166.2 | 04: 09 | 0.07 | 20 |
Mare New Caledonia | -21.5 | 167.9 | 04: 13 | 0.19 | 06 |
Ouinne New Caledon | -22 | 166.7 | 04: 06 | 0.20 | 08 |
Lifou New Caledoni | -20.9 | 167.3 | 04: 00 | 0.12 | 06 |