Tsunami reaches Japan, 3-meter waves possible: Meteorological agency

AP , Saturday 15 Jan 2022

Tsunami reached Japan late Saturday through early Sunday, and waves as high as three meters were possible, the Japan Meteorological Agency said, hours after a massive volcanic eruption near Tonga.

Tonga Volcano Eruption
In this satellite photo taken by Planet Labs PBC, an island created by the underwater Hunga Tonga Hunga Ha apai volcano is seen smoking Jan. 7, 2022. AP

The agency said a 1.2 metre (about four feet) tsunami reached the remote southern island of Amami Oshima around 11:55 pm (1455 GMT) Saturday before other areas along Japan's Pacific coast observed smaller tsunami.

The eastern shores of northernmost Hokkaido island as well as southwestern regions of Kochi and Wakayama also saw tsunami as high as 0.9 metres shortly after midnight, the agency said.

National broadcaster NHK switched to special programming and aired live footage from ports of affected regions, calling on area residents to evacuate to higher ground.

The footage showed no clear signs of abnormality, however.

A weather agency official told a televised, midnight news conference that the agency had detected a tidal change higher than one metre after 11 pm.

The agency didn't immediately classify it as tsunami. However, it decided to activate the public tsunami warning systems to urge the evacuation of Amami residents.

"We don't know at this point whether this is tsunami, but a strong tidal change has been observed, so we're urging residents to respond," the official told the press conference.

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