1952 Hokkaido earthquake
Encyclopedia
The 1952 Hokkaido Earthquake, which occurred on 4 March 1952 in the sea near Tokachi District, Hokkaidō
Tokachi District, Hokkaido
is a district located in Tokachi Subprefecture, Hokkaidō, Japan.As of 2004, the district has an estimated population of 6,342 and a density of 8.69 persons per km². The total area is 729.64 km².-History:...

, had a magnitude of 8.1 on the Richter Scale.

Damage

There was earthquake
Earthquake
An earthquake is the result of a sudden release of energy in the Earth's crust that creates seismic waves. The seismicity, seismism or seismic activity of an area refers to the frequency, type and size of earthquakes experienced over a period of time...

 and tsunami
Tsunami
A tsunami is a series of water waves caused by the displacement of a large volume of a body of water, typically an ocean or a large lake...

 damage in an area ranging from Hokkaido to the northern part of the Tohoku region. As a result, 28 people were killed, 5 people were missing, and 287 were wounded. In addition, 815 houses were completely destroyed, 1324 half-damaged, and 6395 partially damaged. Ninety-one houses were swept away, 328 suffered flooding, 20 were lost to fire, and 1621 became inhabitable. Furthermore, 451 ships were damaged.

In Hamanaka
Hamanaka, Hokkaido
is a town located in Akkeshi District, Kushiro Subprefecture, Hokkaidō. As of December 31, 2007 it has an estimated population of 6,974 and an area of 427.68 km².-External links:* in Japanese...

, in the Akkeshi District, Hokkaidō
Akkeshi District, Hokkaido
is a district in eastern Kushiro Subprefecture, Hokkaidō.- Towns :*Akkeshi*Hamanaka...

, a tsunami destroyed numerous homes. It is thought that drift ice
Drift ice
Drift ice is ice that floats on the surface of the water in cold regions, as opposed to fast ice, which is attached to a shore. Usually drift ice is carried along by winds and sea currents, hence its name, "drift ice"....

 was pushed up by the tsunami and exacerbated the damage. Eight years later, this area was devastated by the tsunami caused by the 1960 Chile earthquake, killing 11 people.

Akkeshi Bay saw the highest tsunami surge, of 6.5 meters, with Hachinohe in Aomori
Aomori
Aomori may refer to:* Aomori Prefecture, Japan** Aomori, Aomori, the capital of Aomori Prefecture* Aomori , a novel by Dazai Osamu* Aomori a meteorite which fell in 1984 in Tohoku, Japan...

 also seeing a 2 meter wave. This was the first large tsunami after the inception of Japan's tsunami warning system. Fortunately, the previous day, March 3, was the anniversary of the 1933 Sanriku earthquake
1933 Sanriku earthquake
The was a major earthquake whose associated tsunami caused widespread damage to towns on the Sanriku coast of the Tōhoku region of Honshū, Japan on March 2, 1933.-History:The epicenter of the 1933 Sanriku earthquake was located offshore,...

, and the large number of training and evacuation drills held that day bolstered the response to the real disaster on March 4.
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