Damaging earthquake along the Kazakhstan China (Xinjiang) border - August 8/9, 2017

Are you one of the people who felt the shaking of this earthquake. If Yes, please let us know what you experienced by filling up the I FELT IT form behind the earthquake or at the bottom of this page. Thank you for your cooperation.

Update 15:51 UTC: The number of injured has increased from 23 to 34, 142 collapsed houses, 1060 damaged houses

Update 12:13 UTC: The ultimate explanatory earthquake poster from this earthquake comes from seismologist Jay Patton. Click on the image to be linked to his site. The poster and additional material can be viewed in his site.

Screen Shot 2017-08-09 at 14.21.20

Update 09:00 UTC:
The preliminary data released by the CEA and USGS show that this magnitude-6.3 earthquake originated from the northern part of the Tian Shan mountain range, at a depth of about 11 kilometers.
Though this M 6.3 earthquake occurred very soon after the earlier Mw 6.5 earthquake in Sichuan, and both events were caused by the Indian-Eurasian plate collision, these two events are likely to be separate due to the distance between them.
The Xinjiang earthquake is associated with the reverse fault (thrust fault) underneath Tian Shan.
Although China is located far from the major fault at the Indo-Eurasian plate boundary - the Himalayan Frontal Thrust - the powerful northward tectonic collision between the Indian and the Eurasian plates created a wide deformation zone within inner China. This is evident from the long history of earthquakes written into Chinese literature, including the destructive 2008 Wenchuan earthquake.  (Source: Singapore earth observatory).

Screen Shot 2017-08-09 at 11.02.20-compressed

Hard to say which fault plane is the right one in this case.

Screen Shot 2017-08-09 at 09.29.08-compressed

Main earth movement based on the current focal mechanism. Image courtesy Observatoire Geoscope

Update 07:13 UTC: Preliminary toll of this earthquake :
- NOBODY killed!! (hopefully this will not change)
- 23 people injured
- 142 collapsed houses
- 1060 damaged houses

Screen Shot 2017-08-09 at 09.16.48

Update 07:13 UTC: 2 strong aftershocks of M4.5 or more

Update 00:36 UTC: Shaking values as per CEDIM CATnews calculations

Screen Shot 2017-08-09 at 02.35.15

Update 23:56 UTC: Following the theoretical calculations of USGS approx. 49,000 people may have felt a strong shaking.

Screen Shot 2017-08-09 at 01.55.48-compressed Screen Shot 2017-08-09 at 01.56.05-compressed

Update 23:50 UTC: The USGS shaking map shows max. strong shaking

Screen Shot 2017-08-09 at 01.50.05

Update 23:41 UTC: Based on the present earthquake parameters (Magnitude, Depth, Population, etc) and our experience with earthquake damage impact, earthquake-report.com calls this earthquake extremely dangerous and expects injuries and serious damage

Screen Shot 2017-08-09 at 01.34.16

Map courtesy Alomax.free.net - Star: calculated epicenter - Small red dots: possible error margin for the epicenter, the more dense, the higher probability that the epicenter will be in that area. Orange circle: epicenter location error zone

Todok, China, 63.6 km (39.5 mi) WSWPopulation: 0
Zharkent, Kazakhstan, 226.7 km (140.9 mi) EPopulation: 34,422
Baijiantan, China, 235.7 km (146.5 mi) SWPopulation: 93,697
Shihezi, China, 255.3 km (158.6 mi) WPopulation: 572,772

Most important Earthquake Data:

Magnitude : 6.3

Local Time (conversion only below land) : 2017-08-09 07:27:52

GMT/UTC Time : 2017-08-08 23:27:52

Depth (Hypocenter) : 24 km

Depth and Magnitude updates in the list below.

Donation - long - San Francisco

Share your earthquake experience (I Have Felt It) with our readers.
Click on the "I Felt It" button behind the corresponding earthquake. Your earthquake experience is not only important for science, but also for people in the area as well as our global readership.

SRC Location UTC Date/time M D INFO
USGS Dostyq, Kazakhstan Aug 08 23:44 5.3 10 MAP I Felt It INFO
  • Ушарал, Алакольского - Начало трясти кровать и заиграла подвешенная на стене музыка ветра. Продолжалось секунд 20
  • Алматы - Жутковатое ощущение,создалось впечатление ,что кровать сдвигают с места толчками,а предметы звенящие только подтвердили ,что это был не сон.
  • Almaty - Vivo en un departamento de tercer piso y se sacudió el piso por 30 segundos, se abrieron las puertas de los roperos y los muebles de la cocina
  • GEOFON Northern Xinjiang, China Aug 08 23:44 5.3 16 MAP I Felt It
    USGS Dostyq, Kazakhstan Aug 08 23:39 5.2 10 MAP I Felt It
    USGS Dostyq, Kazakhstan Aug 08 23:27 6.3 25 MAP I Felt It
    GEOFON Northern Xinjiang, China Aug 08 23:27 6.3 24 MAP I Felt It INFO
  • Алматы, Kazakhstan - Moderate shaking
  • Almaty, Kazakhstan - At least, for 7 seconds.
  • Усть-Каменогорск, Kazakhs - 10-20 сек
  • Xinyuan, Xinjiang - Weak shaking
  • Талдыкорган - Проснулась от того, что сильно раскачивплся дом. Грепели шкафы. После толчков тело моё еще долго продолжало раскачиваться само. Кошка моя за несколько часов до землетрясения чоченьасто подходила ко мне и жалобно мяукала.
  • Taldykorgan, Kazakhstan - Light shaking
  • Almaty city - For about 8 seconds
  • Yining - I was woken up from my sleep. A few stuffed animals fell from a shelf. There have been small aftershocks as late as 5 hours after.
  • Nalati (那拉提) - I was sleeping well and the shaking woke me. The shaking only lasted a few moments. Maybe 30 seconds. Other than waking me, nothing else was disturbed by the shaking.
  • Urumqi - Woke some family members from light sleep (we live on the 15th floor). Some plastic markers fell to the ground from a desk. Began with light swaying for about 2 seconds followed by stronger swaying that gradually declined over about 30 seconds or more.

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    SHARE YOUR EARTHQUAKE EXPERIENCE WITH US

    I felt the shaking *
    Country where you felt the earthquake *
    City/Village where you felt the earthquake *
    Street or suburb (area) where you felt the earthquake
    Latitude (area) where you felt the earthquake
    Longitude (area) where you felt the earthquake
    Shaking Strength *
    MMI II (Very weak shaking) ?
    People :
    Felt by persons at rest, on upper floors or favorably placed.
    MMI III (Weak shaking) ?
    People :
    Felt indoors; hanging objects may swing, vibration similar to passing of light trucks, duration may be estimated, may not be recognized as an earthquake.
    MMI IV (Light shaking) ?
    People :
    Generally noticed indoors but not outside. Light sleepers may be awakened. Vibration may be likened to the passing of heavy traffic, or to the jolt of a heavy object falling or striking the building.
    Fittings :
    Doors and windows rattle. Glassware and crockery rattle. Liquids in open vessels may be slightly disturbed. Standing motorcars may rock.
    Structures :
    Walls and frames of buildings, and partitions and suspended ceilings in commercial buildings, may be heard to creak.
    MMI V (Moderate shaking) ?
    People :
    Generally felt outside, and by almost everyone indoors. Most sleepers awakened. A few people alarmed.
    Fittings :
    Small unstable objects are displaced or upset. Some glassware and crockery may be broken. Hanging pictures knock against the wall. Open doors may swing. Cupboard doors secured by magnetic catches may open. Pendulum clocks stop, start, or change rate.
    Structures :
    Some large display windows cracked. A few earthenware toilet fixtures cracked.
    MMI VI (Strong shaking) ?
    People Felt by all. People and animals alarmed. Many run outside. Difficulty experienced in walking steadily.
    Fittings :
    Objects fall from shelves. Pictures fall from walls. Some furniture moved on smooth floors, some unsecured free-standing fireplaces moved. Glassware and crockery broken. Very unstable furniture overturned. Small church and school bells ring. Appliances move on bench or table tops. Filing cabinets or "easy glide" drawers may open (or shut).
    Structures :
    Slight damage to buildings with low standard. Some stucco or cement plaster falls. Large display windows broken. Damage to a few weak domestic chimneys, some may fall.
    Environment :
    Trees and bushes shake, or are heard to rustle. Loose material may be dislodged from sloping ground, e.g. existing slides, talus slopes, shingle slides.
    MMI VII (Very strong shaking) ?
    People
    General alarm. Difficulty experienced in standing. Noticed by motorcar drivers who may stop.
    Fittings :
    Large bells ring. Furniture moves on smooth floors, may move on carpeted floors. Substantial damage to fragile contents of buildings.
    Structures :
    Unreinforced stone and brick walls cracked. Low standard buildings cracked with some minor masonry falls. A few instances of damage to buildings of ordinary workmanship. Unbraced parapets, unbraced brick gables, and architectural ornaments fall. Roofing tiles, especially ridge tiles may be dislodged. Many unreinforced domestic chimneys damaged, often falling from roof-line. Water tanks Type I burst. A few instances of damage to brick veneers and plaster or cement-based linings. Unrestrained water cylinders (hot-water cylinders) may move and leak. Some common windows cracked. Suspended ceilings damaged.
    Environment :
    Water made turbid by stirred up mud. Small slides such as falls of sand and gravel banks, and small rock-falls from steep slopes and cuttings. Instances of settlement of unconsolidated or wet, or weak soils. Some fine cracks appear in sloping ground. A few instances of liquefaction (i.e. small water and sand ejections).
    MMI VIII (Severe shaking) ?
    People Alarm may approach panic. Steering of motorcars greatly affected. Structures : Low standard buildings heavily damaged, some collapse. ordinary workmanship buildings damaged, some with partial collapse. Reinforced masonry or concrete buildings damaged in some cases. A few instances of damage to buildings and bridges designed and built to resist earthquakes. Monuments and pre-1976 elevated tanks and factory stacks twisted or brought down. Some pre-1965 infill masonry panels damaged. A few post-1980 brick veneers damaged. Decayed timber piles of houses damaged. Houses not secured to foundations may move. Most unreinforced domestic chimneys damaged, some below roof-line, many brought down. Environment : Cracks appear on steep slopes and in wet ground. Small to moderate slides in roadside cuttings and unsupported excavations. Small water and sand ejections and localized lateral spreading adjacent to streams, canals, lakes, etc.
    MMI IX (Violent shaking) ?
    Structures Many low standard buildings destroyed. Ordinary workmanship buildings heavily damaged, some collapse. Reinforced masonry or concrete buildings damaged, some with partial collapse. Buildings and bridges designed and built to resist earthquakes damaged in some cases, some with flexible frames seriously damaged. Damage or permanent distortion to some buildings and bridges, designed and built to normal use standards. Houses not secured to foundations shifted off. Brick veneers fall and expose frames. Environment : Cracking of ground conspicuous. Landsliding general on steep slopes. Liquefaction effects intensified and more widespread, with large lateral spreading and flow sliding adjacent to streams, canals, lakes, etc.
    Tell us your experience and how many seconds the shaking lasted + let us know if your property has been damaged (even slight damage). (max. 500 characters)
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