Tonga tsunami: Volcano ‘turns sky black’ – triggers shockwave felt hundreds of miles away

Video footage posted on social media shows large waves washing ashore in coastal areas.  The Tonga Meteorological Services says a tsunami warning has been put in force covering all of the island.

New Zealand’s National Emergency Management Agency tweeted: “We have issued a NATIONAL ADVISORY: TSUNAMI ACTIVITY following the Tongan eruption.

“We expect New Zealand coastal areas on the north and east coast of the North Island and the Chatham Islands to experience strong and unusual currents and unpredictable surges at the shore.”

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