Lenakel mareograph signal - island of Tanna, filtered - (M.Volpe; F. Romano)
Sea level variation recorded by the mareograph of Lenakel, Isola di Tanna (Vanuatu)
Sea level variation recorded by the mareograph of Kingston Jetty, isola di Norfolk
Today, February 10, 2021, at 13:20 UTC, a magnitude Mwpd 7.5 earthquake was recorded in the South Pacific Ocean (Lat. 22.90 S - 171.54 E) southeast of the Loyalty Islands and close to New Caledonia, about 33 km deep.
The Pacific Tsunami Warning Center (external link) has issued a tsunami warning for an expected run up of 0.3 - 1m for New Caledonia, Australia, Fiji, Vanuatu, New Zealand, Tonga and Tuvalu.
The first warning message sent at 13:29, was followed by a tsunami confirmation message (Watch level), issued at 14:32 (see alert cycle).
The Lenakel mareograph on Tanna Island (Vanuatu Islands) records sea level changes in excess of 50cm.
Update 11.02.21 -
At 23.03 of 10.02.21 the end of tsunami watch message was sent.
More information about the event and the seismicity of the area are available on: INGVTerremoti (External link, in italian).
