The image is from the Tonga Geological Services.
The image caption is.
The volcano erupted for a while. This photo was taken a day before the eruption.
A plane from New Zealand is going to investigate the damage from the volcanic eruption.
The Pacific islands have been covered in ash.
The International Federation of Red Cross and Red Crescent Societies told the British Broadcasting Corporation that up to 80,000 people could be affected.
The Prime Minister of New Zealand said that there had been significant damage.
There have been no deaths reported so far.
New Zealand and Australia are sending planes to assess the damage.
An aircraft left to assist in an initial impact assessment of the area and low-lying islands.
The IFRC in Fiji is in urgent need of help.
There could be up to 80,000 people affected by either the eruption itself or from the wave and the flooding, she said.
We're very interested in hearing from people who were shocked by that, so we hold some concern for those outer islands.
The volcano erupted on Saturday, sending a cloud of ash into the sky and causing waves to reach the island. The eruption was so loud it could be heard in New Zealand.
The caption is media.
Satellite images capture the eruption of Hunga.
New Zealand's acting High Commissioner in Tonga Peter Lund said that the island nation looks like a moonscape after it was covered in volcanic ash.
The water supplies were said to be contaminated by the dust.
Aid charities said the ash had prompted authorities to tell people to drink bottled water and wear face masks.
As the sky darkened with ash, videos showed traffic jams as people fled low-lying areas by car. The island's 105,000 residents were almost completely unavailable after the internet and phone lines went down.
The image is from the Kingdom of Tonga.
The image caption is.
Social media showed flooding as the waves began.
The volcano erupted for several days prior to the largest eruption. The smell of ammonia and sulphur was being reported in some areas.
Some parts of the island have lost power, and mobile phones are still not working. The situation in some coastal areas was not known.
Unable to speak to their friends and family, many Tongans in Australia and New Zealand are concerned for their safety.
Fatima said that she had not heard from her colleague who runs a seafront restaurant.
"It's all very sad, we are hoping for the best," she told the radio station. This will hit them hard as they have been in a state of lock down for a long time with no tourists visiting.
Satellite images show some islands have been submerged.
The volcano is one of the most violent in the region in the past.
It caused warnings in Japan and the US, where flooding hit some coastal parts of California and Alaska.
Goldsmith said Britain was ready to help and support the Commonwealth friend and partner in any way they could.
The EU's satellite flew overhead on Saturday and gave scientists their first look at the volcano.
The cloud and ash can't be seen through the radar platform.
It was clear that the crater rim above the ocean waters had been destroyed by the blast.
Researchers will be interested in the cause of the wave that hit the Pacific, not just on nearby islands.
What was the cause of the explosion? The term "meteotsunami" refers to pressure waves. Or maybe the water was displaced by a collapse of the volcano below the ocean surface.
The facts will be established in the coming days and weeks.
There are volcanoes.
There were earthquakes.
The country of Tonga.
The Pacific Ocean.
New Zealand is located in the Americas.