Because the person taking the picture is either very far away and zoomed in to the max, or there could be heat rising from the reactors causing a blur in the photos and videos.
International response to Fukushima disaster happened in 2011.
Fukushima is a town in Japan that suffered from a strong earthquake and high tsunamis that broke down the electric grid forced the nuclear power units shut down.
Fukushima Daiichi (the worse accident) is located at 37° 25' 22.7" N 141° 01' 58.5" E. Fukushima Daini (the lesser accident) is located at 37° 18' 59" N 141° 01' 52" E.
Fukushima, Chernobyl and your house.
The wave that went over the seawall at Fukushima Daiichi was 14 meters, or about 47 feet, tall. The seawall was 5.7 meters, or about 19 feet. At other places along the coast where the Fukushima plants are located, the waves were as high as 33 meters, about as tall as a 10 story building. Historic tsunamis in the same area had similar size in 1896 (38.2 meters) and 1933 (28.7 meters). There is a source link to an article on historic tsunamis below.
Fukushima
Fukushima is not an event that happened, it is a place, a prefecture, or district, in Japan. There are two Fukushima nuclear power plants. The plant where the accident took place, Fukushima Daiichi, is located in Okuma, Fukushima, Japan.
There are two Fukushima nuclear power plants, both of which are in the Fukushima district on the east coast. Fukushima Daiichi, where the meltdowns happened, is at a town called Okuma. Fukushima Daini, is at a town called Naraha.
Naoshi Fukushima was born in 1925.
Yutaka Fukushima was born in 1958.
Masami Fukushima was born in 1929.
Masami Fukushima died in 1976.
Tadashi Fukushima was born in 1964.
Fukushima University was created in 1949.
Kikujirō Fukushima was born in 1921.
Fukushima Masanori died in 1624.
Fukushima Masanori was born in 1561.