1952 Tokachi earthquake

The 1952 Tokachi earthquake (Japanese: 1952年十勝沖地震), occurred at 10:22:41 local time on 4 March in the sea near Tokachi District, Hokkaidō, Japan. It had a magnitude of 8.1 on the moment magnitude scale.[1]

1952 Tokachi earthquake
1952 Tokachi earthquake is located in Hokkaido
1952 Tokachi earthquake
UTC time1952-03-04 01:22:41
ISC event892540
USGS-ANSSComCat
Local dateMarch 4, 1952 (1952-03-04)
Local time10:22:41
Magnitude8.1 Mw[1]
Depth45 km[2]
Epicenter41.8°N 144.13°E / 41.8; 144.13[1]
Areas affectedJapan
TsunamiYes
Casualties33 dead, 287 injured[1]

Damage

There was earthquake and tsunami damage in an area ranging from Hokkaido to the northern part of the Tohoku region. As a result, 28 people were killed, five 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 uninhabitable. Furthermore, 451 ships were damaged.[3]

In Hamanaka, in the Akkeshi District, Hokkaidō, a tsunami destroyed numerous homes. It is thought that drift ice was pushed up by the tsunami and exacerbated the damage.[4] 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 metres (21 ft), with Hachinohe in Aomori also seeing a 2-metre (6 ft 7 in) wave.[4] This was the first large tsunami after the inception of Japan's tsunami warning system. The previous day, March 3, was the anniversary of the 1933 Sanriku earthquake, and the large number of training and evacuation drills held that day bolstered the response to the real disaster on March 4.

See also

Notes
  1. Utsu, T. (2004). "Catalog of Damaging Earthquakes in the World (Through 2010)". IISEE. Retrieved 13 November 2011.
  2. "Significant Earthquake". National Geophysical Data Center. Retrieved 2013-06-23.
  3. "Earthquake History for March 4th". Today in Earthquake History. 2012-10-02. Retrieved 2013-06-23.
  4. "Tsunami Event". National Geophysical Data Center. Retrieved 2013-06-23.
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