August 25, 1933 Earthquake: Sichuan Province, China

August 25, 1933, 15:50:30, 31.9 N, 103.4 E, magnitude 7.5, intensity X.

The whole city of Diexl and the surrounding 60 odd towns and villages collapsed completely. Landslides occurred extensively in all hills. Guanyinyan and Yinpingyan caved in. Large scale collapses occurred at the platform of Diexi and Jiaoehangba damming the Minjiang River to form four earthquake lakes. Forty-five days after the great earthquake, lake dykes burst, causing floods in the lower reaches. Everywhere, collapses produced "flight of steps", with emission of black mud flow ,and the landforms changed because of Iandslides and earth slumps. People and livestock suffered casualties, no body in the meizoseismic region escaped, more than 6,800 people were killed and over 2,500 people were washed away, and the injured were countless.

Maoxian: Rocks broke down, a stone tower fell, brick-and-stone memorial archways were split by shaking, and city walls collapsed about 4 m long. Brick houses and chimneys collapsed partly, more than 20 shabby houses and about 50-60% of the walls collapsed, 2 persons were killed and more than 10 injured in the vicinity of the city gate. City walls collapsed, one third of houses were damaged or collapsed around Shitaiguan and Feihongqiao, landslides ar d ground fissures occurred extensively, and 60-70% of the population were killed or injured. All houses and temples collapsed, rocks broke down, and the mud banks were topplld around Shaba and Ohibusu.

Wenchuan: A few houses collapsed, others were shaken out of joints, and roof ridges fell. Stone pillars broke off, and 30% of the stone walls were broken and collapsed. Earth hills collapsed dozens of meters long, and a lot of landslides and ground fissures occurred.

Songpan: City walls collapsed 7-10 m in length, gate towers fell under shaking, 30% of the houses collapsed and one fifth were tilted by shaking. Rocks fell in large quantities, breaking bridges and blocking paths and ditches. The ground fissures, up to dozens of meters in length, occurred at the hillside and the ridge of a hill. Many people and plenty of livestock were killed or injured. Near Zhangle, some walls fell, earth banks collapsed and landslides and ground fissures occurred.

Lixian: 20-30% of the houses collapsed in the whole county, 50% of the stone walls cracked, and the stone walls at a lamasery collapsed. Half of a thirty-odd-storey pagoda toppled down. Landslides and ground fissures occurred, trees were uprooted, and people and livestock suffered casualties.

Heishui: Landslides and ground fissures occurred, houses and earthen blockhouses fell, and people and livestock were killed or injured. All the houses and watchtowers were devastated, landslides and ground fissures, 1-3 m in width, occurred, leading to heavy casualties around Sergu and Heirguazt.

Chengdu: The belfry top of the church fell down. City walls collapsed at various parts, and a few civilian houses were shaken out of joints. More than one hundred people were killed or injured.

Mianzhu: The roof tip of the Hu-Guang Guild Hall fell down under shaking, that of the Shaanxi Guild Hall was tilted. In the latter hall roof tiles fell, Deyang: Ridges of old houses broke down, some beams of a stage were broken by shaking, and some frame tenons were loosened from mortises.

(above from reference #3939)

Ref #14034 lists 6,865 deaths

Ref #1250 lists 10,000 deaths

Ref #10476(v.11) lists 1933-08-25 07:50:32.78 UTC, 31.957 N 103.669 E, magnitude 7.38 Mw