There was no tsunami threat from a earthquake, Magnitude 6, centred 136 km west of Neiafu, Vava'u, and north west of Ha'apai at 4:03am today, 16 December.
In an advisory issued at 4:09am the Tonga National Tsunami Centre reported that an Earthquake had occurred with these parameters:
Origin time: 4:03am (16th December, 2024) Tonga Local TimeCoordinates: Lat: 18.5 South, Lon: 174.9 West
Depth: 246KM
Magnitude: 6.0
Location: Northwest of Ha’apai.
“The above magnitude is provisional and may be increased or decreased as more seismic data becomes available.
“Based on preliminary earthquake information above, a tsunami wave is unlikely to affect Tonga.
The issue of the advisory was authorized by the Tonga Meteorological Service