November 13, 1965 Earthquake: Xinjiang Province, China

November 13, 1965, 12:33:55 local time, East of Oriimqi, Xinjiang Autonomous Region, 43.9 N, 87.8 E, magnitude 6.6, intensity VIII.

Ganhezi region: Several fissures occurred in the ground, the longest was 50 m in length and the widest was 1 m in width. Rock avalanche occurred generally. On both sides of Ganhezi Valley, the volume of the avalanched material

probably reached several hundred cubic meters. Two subsiding regions occurred, the area of the larger was 40 m and the largest depth was 5 m, large stones nearby moved, fissures occurred. To the northwest of Huiquangou, rock fissures,

subsidence, moving of large stone and rock avalanche also occurrdd. Several landslides occurred. There were 7 chimneys in Tianlong Machine Plant, 6 of them were destroyed, one's top fell. 116 brick cave houses (352 in total) collapsed, the rest of them were destroyed in varying degrees. 32

of the 421 mud houses had to be repaired, the rest were damaged slightly. Some brick wood-frame and brick masonry steel-frame buildings were destroyed to a certain extent.

The divide region of Sangong River / Sigong River:

The ground fissures and landslides occurred generally.

The largest fissure occurred on the ridge of the source of the Baiyanggou, west of the divide, extended intermittently over 100 m, 0.3-0.5 m in width, passing through the bedrock outcrop. Avalanches occurred generally. Many poplars

inclined or withered to death on both sides of the

fissure.

Tianchi Lake region: Rocks avalanched rolling into

the lake, lake water became turbid. Landslide

occurred at the east of Tianchi Lake. Many fissures

occurred on the hill top northeast of the lake. An

earthquake-collapsed area, 1.4 m wide and 1.5 m

deep, occurred at Maya Hill, southwest of the lake.

Joints of prefabricated components of 11 wood frame

houses of a hotel cracked both inside and outside with plaster falling. In a wood and masonry construction house, fissures occurred between masonry walls and prefabricated beams. The mooring rope of yachts by the coast of Tiancbi

Lake broke by shaking.

Miquan Tree Farm, Tichanggou: Rocks avalanched seriously, fissures occurred in residual overburden and slop wash, landslides occurred generally.

Dabancheng: There were 600 houses previously, half with wood frame and half of mud without columns. 76 houses collapsed, 205 were destroyed, the rest were fissured. A fissured zone, 160 m long and 1 m wide, occurred at Caohutan (swamp) southeast of the city.

Caiwobao: Fissures occurred in almost all the houses of the 117 families, 95 of them needed to be repaired, 7 of them were destroyed seriously, and had to be reconstructed. Walls with flues for space heating of the houses of more than 20 families and a few chimneys fell.

Ortimqi: 60% of the wood frame and adobe houses were damaged slightly, 35% damaged, about 6% destroyed. Fissures occurred on some multi-storied buildings and chimneys. Plaster fell.

Fukang: Fissures 2-5 mm (some 1 cm) in width occurred in most of the houses, usually on plasters or at corners of walls, windows and doors. In the county proper, 3 walls fell, 2 inclined and partly fell. On the walls of the offices of the county government X-shaped cracks occurred, with, fissures 5-10 mm in width and 3-4 m in length.

Houxia: 40-50% of the chimneys fell or cracked; brick houses cracked generally, rocks rolled down from hills.

Toksun: Pedestals of a house with brick walls and adobe arch fell, 2 adobe walls fell.

Balguntay: Fissures occurred generally on walls with flues for space heating, few chimneys fell. Of the 10 houses of highway maintenance squad, 7 eaves had fallen by shaking.

Qitai: In the county seat, 32 houses were destroyed.