With Japan racing to contain radiation leaks, the emergency has prompted countries to update their travel advice with many advising against travelling to Japan altogether.
Following are travel warnings from several countries following the devastating earthquake and tsunami in Japan, which damaged the Fukushima nuclear power plant, causing explosions and sending radiation into the air.
Australia
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Australians are warned to stay away from the Fukushima Nuclear Power Plant and Miyagi Prefecture on the east coast of Japan.
Australians should not enter the 20-30 kilometre exclusion zone around the Fukushima facility, the Department of Foreign Affairs and Trade (DFAT) updated travel advice says.
The United States
The US is not recommending that Americans should leave Tokyo, the White House said, advising US nationals to follow State Department travel warnings amid the nuclear crisis.
Austria
Austria maintained a partial travel advisory for Japan. It recommended all Austrians leave northeastern Japan and urged cancelling all trips to Japan that are not essential.
"All Austrians, especially families with children in the greater Tokyo/Yokohama area, are advised to consider leaving the country temporarily or leaving the area," the foreign ministry said on its website.
Bangladesh
"Bangladesh has instructed its mission in Tokyo to relocate its citizens to a safer place free from radiation", the government said.
Foreign Minister Dipu Moni asked for their temporary relocation, officials said, adding that possibly the embassy will be shifted to a southern Japanese city such as Hiroshima or Nagasaki, which are safe from radiation as per Japan's announcement.
Britain
Britain's Foreign Office travel advice is unchanged. It has advised against all non-essential travel to Tokyo and the northeast of Japan.
Canada
Canada warned its citizens to avoid all travel within 20 km of the Fukushima Nuclear Power Plant, and avoid non-essential travel to areas of northern Japan that were near the quake and hit by the subsequent tsunamis.
Canadians were also warned to "exercise a high degree of caution" in traveling to the Tokyo region because of damage suffered by its transport, power and telecommunication systems. The warning note said there would be rolling blackouts in the Tokyo area starting March 14.
Croatia
Croatia recommended that citizens postpone any journeys to Japan. It advised Croatian citizens currently in Japan not to travel to the areas affected by the disaster and to remain in contact with the embassy in Tokyo for further notice.
Denmark
Denmark on Tuesday still maintained its limited travel advisory against trips to the quake- and tsunami-hit areas, and areas "close to the nuclear plant."
Finland
Finland said on Tuesday all travel to Japan, especially to Tokyo and northeastern Japan, should be avoided. It urged families with children to consider leaving the area.
France
The French embassy in Tokyo urged its citizens in the Japanese capital to stay indoors and close their windows, saying a low-level radioactive wind could reach the city within 10 hours, based on current winds.
It had earlier strongly advised its nationals not to travel to Japan because of the high threats of aftershocks.
Germany
"Non-essential travel to Japan is inadvisable," the Foreign Ministry website says.
Iceland
Iceland also issued a travel advisory on Monday against "unnecessary travel to Japan" and especially "areas near the Fukushima nuclear plant."
Italy
The Italian foreign ministry said Italian nationals were advised to leave Japan, at least temporarily. It said its crisis unit was discussing contingency plans with Alitalia to provide extra flights if existing capacity were insufficient to meet demand.
Netherlands
The Dutch Foreign Affairs Ministry is advising its citizens not to travel to the Kantei region, including Tokyo, and areas to the north and northeast, and to leave this part of Japan if they are there currently.
New Zealand
ew Zealand's foreign ministry continues to advise avoiding all non-essential travel to Tokyo and the affected northeastern regions.
Norway
The Norwegian foreign ministry put out a bulletin on Tuesday advising against travel to Japan. Norwegian citizens were encouraged to follow the advice of local authorities and see updated information on the embassy in Tokyo's homepage. The warning highlighted the unresolved situation of nuclear power plants.
Philippines
Non-essential embassy personnel and dependents are being sent home, the Philippines' ambassador to Tokyo, Manuel Lopez, said. Lopez said Filipinos in Japan who want to go home can do so, with the embassy helping them make arrangements for their flights home. "We can help them make arrangements with airlines, but we have no authority yet from the government to get them all out," he said.
Poland
The Polish Foreign Ministry has issued a statement urging Polish citizens to avoid all unnecessary travel to Japan at present.
Portugal
Portugal foreign ministry's website has a travel recommendation saying that "all non-essential trips to Japan are inadvisable given the situation in the country."
Serbia
Serbia called on Tuesday all country's nationals to leave Japan on regular flights, or contact the embassy in Tokyo and follow local emergency procedures.
Slovakia
Slovakia has recommended citizens not to travel to affected regions in Japan and delay planned trips to other regions, including Tokyo.
Slovenia
Slovenia has warned its nationals not to travel to Japan unless necessary.
"We advise against any non-urgent travels to the troubled areas of Japan. To those Slovenian citizens that cannot postpone their travel to Japan, we advise extreme caution and additional checking of conditions in areas to which they are traveling," the foreign ministry said on its website.
South Korea
The South Korean foreign ministry has issued a travel advisory for Japan. It advised against travel to the Fukushima area and other areas north of Tokyo.
Sweden
Sweden put out a bulletin advising against any non-essential travel to Japan. The foreign ministry bulletin highlighted travel to Tokyo and northeastern Japan and expanded a previous recommendation cautioning against voyages to the Japanese prefectures hardest hit by the quake and tsunami.
Switzerland
Switzerland has issued an advisory for Japan, advising against all travel to the northeast as well as to the prefectures of Nagano and Niigata. The Foreign Ministry also advises against all tourist and non-essential journeys to Japan in general and recommends all Swiss nationals should temporarily leave the crisis areas in the northeast of Japan as well as the wider Tokyo/Yokohama area.
United States
The State Department urged U.S. citizens to avoid tourism and non-essential travel to Japan at this time and also requests all non-essential official U.S. government personnel defer travel to Japan.
