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
- TSUNAMI waves have been observed
- Based on all available data hazardous TSUNAMI waves are forecast for some coasts
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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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Lifou New Caledoni | -20.9 | 167.3 | 03: 40 | 0.05 | 10 |
Mare New Caledonia | -21.5 | 167.9 | 03: 42 | 0.08 | 12 |