Japan's Meteorological Agency issued tsunami warnings at 12:15 am on Sunday for the Amami Islands and the Tokara island chain in Kagoshima Prefecture, reported NHK World.
The agency said that a 120-centimetre tsunami has been observed in Kominato on Amami-Oshima Island.
Dozens of tsunami up to 90 centimetres have been observed along Japan's Pacific coast from the southern island of Kyushu to the northern island of Hokkaido, reported NHK World.
In Tonga, year 2022 already arrived, but explosive eruptions of the Hunga Tonga-Hunga Ha'apai volcano continue since Dec 20, characterized by dark and dense masses of pyroclastic material [read more: https://t.co/AaIdmnx33H] pic.twitter.com/wXmuqoXUr0
— Massimo (@Rainmaker1973) December 31, 2021
People are advised to stay on high alert and evacuate to higher ground.
An Employee of a hotel near the port of Naze on Amami Oshima Island told NHK that guests staying on lower floors have been moved to the top floor, the 10th.
Tonga’s Hunga Tonga volcano erupted early this morning sending out a massive shock wave captured on satellite pic.twitter.com/0CJH6R1VYZ
— Latest in space (@latestinspace) January 15, 2022
About 50 guests are reportedly staying at the hotel. The employee hasn't seen tidal changes from the hotel, but some cars heading to higher ground are visible.
An official of another hotel on the coast said he cannot see the waves in the dark. He said he is evacuating eight guests to higher ground from the hotel, which is located about 10 meters above sea level.
An employee of another hotel near Naze Port told NHK that about ten residents in the neighborhood have come to the hotel to take shelter and there has been no trouble so far. He also said he has not seen big tidal changes himself.
Tonga's Hunga Tonga volcano just had one of the most violent volcano eruptions ever captured on satellite. pic.twitter.com/M2D2j52gNn
— US StormWatch (@US_Stormwatch) January 15, 2022
Over a hundred families were evacuated on Saturday from shoreline Samoan villages after a violent volcanic eruption in the Pacific island country of Tonga caused waves to surge.
The eruption of the underwater Hunga Tonga Hunga Ha'apai volcano sparked tsunami alerts across the South Pacific.
This article is adapted from its original sources.