Water crisis looms for tsunami-hit Tonga; New Zealand help on the way

Two New Zealand navy vessels will arrive in Tonga on Friday carrying critical water supplies for the Pacific island nation reeling from a volcanic eruption and tsunami and largely cut off from the outside world.

Hundreds of homes in Tonga’s smaller outer islands have been destroyed, and at least three people were killed after Saturday’s huge eruption triggered tsunami waves, which rolled over the islands causing what the government has called an unprecedented disaster.

With its airport smothered by volcanic ash and communications badly hampered by the severing of an undersea cable, information on the scale of the devastation has mostly come from reconnaissance aircraft.

READ MORE: Shocking before-and-after photos show Tonga volcano’s widespread damage

The Red Cross said its teams in Tonga had confirmed that salt water from the tsunami and volcanic ash were polluting the drinking water sources of tens of thousands of people.

“Securing access to safe drinking water is a critical immediate priority… as there is a mounting risk of diseases such as cholera and diarrhoea,” Katie Greenwood, the Pacific head of delegation for the International Federation of Red Cross and Red Crescent Societies, said in a statement.

The Hunga Tonga-Hunga Ha’apai volcano erupted with a blast heard 2,300 km (1,430 miles) away in New Zealand and sent tsunami waves across the Pacific Ocean.

James Garvin, chief scientist at NASA’s Goddard Space Flight Center, said the force of the eruption was estimated to be equivalent to five to 10 megatons of TNT, an explosive force more than 500 times the nuclear bomb dropped by the United States on Hiroshima, Japan, at the end of World War Two.

Simon Griffiths, captain of the Aotearoa, said his ship was carrying 250,000 litres of water, and had the capacity to produce another 70,000 litres a day, along with other supplies.

“For the people of Tonga, we’re heading their way now with a whole lot of water,” Griffiths said in a release.

Other countries and agencies including the United Nations are drawing up plans to help.

A Chinese foreign ministry spokesperson said it would send help, including water and food, when the archipelago’s main Fua’amotu International Airport reopens. It was not damaged but was covered in ash, which has to be cleared manually,

“We thought that it would be operational yesterday, but it hasn’t been fully cleared yet because more ash has been falling,” Fiji-based U.N. co-ordinator Jonathan Veitch said on Wednesday.

Clean-up continues

Waves reaching up to 15 metres hit the outer Ha’apia island group, destroying all of the houses on the island of Mango, as well as the west coast of Tonga’s main island, Tongatapu, the prime minister’s office said.

On the west coast of Tongatapu, residents were being moved to evacuation centres as 56 houses were destroyed or seriously damaged on that coast.

New Zealand said power has now been restored, and clean-up and damage assessments were going on and Tongan authorities were distributing relief supplies.

Australia and New Zealand have promised immediate financial assistance. The U.S. Agency for International Development approved $100,000 in immediate assistance to support people affected by volcanic eruptions and tsunami waves.

The Asian Development Bank was discussing with Tonga whether it would declare a state of emergency to draw on a $10 million disaster funding facility, senior bank official Emma Veve told Reuters.

READ MORE: Aid to Tonga after volcanic eruption, tsunami delayed by thick ash on airport runway

Tonga is still largely offline after the volcano severed the sole undersea fibre-optics communication cable.

International mobile phone network provider Digicel has set up an interim system on Tongatapu using the University of South Pacific’s satellite dish, the New Zealand foreign ministry said.

That would allow a 2G connection to be established but the connection is patchy and amounts to about 10% of usual capacity,

U.S. cable company SubCom has advised it will take at least four weeks for Tonga’s cable be repaired, it added.

Remote aid being planned

Tongan communities abroad have posted images from families on Facebook, giving a glimpse of the devastation, with homes reduced to rubble, fallen trees, cracked roads and sidewalks and everything coated with grey ash.

READ MORE: British woman killed trying to rescue dogs from Tonga tsunami

Aid agencies, including the United Nations, are preparing to send relief flights to Tonga but without personnel who disembark to avoid introducing the coronavirus, Veitch said.

Tonga is one of the few countries that is COVID-19 free and an outbreak there would disastrous, he said.

“They’ve been very cautious about opening their borders like many Pacific islands, and that’s because of the history of disease outbreaks in the Pacific which has wiped out societies here,” Veitch told a briefing.

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