Dangerous earthquake near Guangyuan, Sichuan, China - September 30, 2017

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Damage report in cooperation with the 2017 Earthquake Impact Database - EID on Google Docs

Update 16:06 UTC: Interesting video of the Chinese Earthquake Pre-Alert system. The video shows the 19 seconds that people in Chengdu had to find a safe position before the shaking started.

Update 08:52 UTC:  First reports of injured and displaced people via our colleagues of EID
- 5 people injured
- 42 people displaced

Update 15:06 UTC:  Some more video footage

Update 14:39 UTC:  While writing this update we have no knowledge of any serious damage (although some slight damage like rockfall, cracks etc has already been reported). If we would find any signs of damage or injuries, we will asap share it with our readers.

Update 11:05 UTC:  Video of a railway station security camera of today's earthquake. Strong shaking for about 3 to 5 seconds

Update 10:16 UTC:  Historical earthquake records reveal the following earthquakes within a radius of 100 km of today's earthquake :
73 earthquakes M5 or higher
9 earthquakes M6 or higher
The strongest earthquake was a M7.2 earthquake on August 23, 1976 in Pingwu County.

Update 09:26 UTC:  an example of an orderly school evacuation after today's earthquake in Chengdu, Sichuan

Update 08:50 UTC:  Rockslide during the earthquake today

Screen Shot 2017-09-30 at 10.49.39

Update 08:43 UTC:

Screen Shot 2017-09-30 at 10.39.22

Update 08:40 UTC:  There is certainly damage that occurred. Local Chinese newspapers are showing pictures of rockslides and older collapsed barns + cracks in walls. This damage is what we expected from the very beginning.

Update 08:23 UTC:  Train traffic was/is affected and at least 1000 passengers have delays as the Chinese Railways have to inspect the rails in potentially damaged areas

Update 06:49 UTC:  Professor Max Wyss, who specializes in theoretical prognoses of injuries and fatalities expects : 0 to 10 fatalities and 40 to 400 injured people

Update 06:40 UTC:  We are increasing our damage estimate to "serious damage expected" as we have found out that there a lot of residential communities in the epicenter area. Injuries are certainly a possibility.

Screen Shot 2017-09-30 at 08.45.13

Update 06:34 UTC:  The earthquake was felt in Chengdu (212 km from the epicenter)

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Update 06:28 UTC:  M5 and higher earthquakes in China are mostly damaging due to the earthquake type (mostly transform faults with strike slip earthquakes)

Update 06:27 UTC:  Nearest big city, Gyangyuan

Update 06:26 UTC:  Based on the present earthquake parameters (Magnitude, Depth, Population, etc) and our experience with earthquake damage impact, earthquake-report.com does expect at least some slight damage like cracks in walls, fallen tiles, etc.

Screen Shot 2017-09-30 at 08.25.45

Most important Earthquake Data:

Magnitude : 5.1

Local Time (conversion only below land) : 2017-09-30 14:14:37

GMT/UTC Time : 2017-09-30 06:14:37

Depth (Hypocenter) : 10 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.

Refresh this list
SRC Location UTC Date/time M D INFO
USGS Magong, China Sep 30 06:14 5.5 10 MAP
GEOFON Sichuan, China Sep 30 06:14 5.1 10 MAP I Felt It INFO
  • Chengdu - Was on my bed & it was shaking & my curtains was swaying just 5 minutes ago at 2:17pm
  • Chengdu - Moderate shaking
  • Chengdu - Felt around 2.15pm. Light shaking, lasted approximately 10 seconds. No damage.
  • Chengdu - Light shaking
  • Chengdu - Weak shaking
  • 南充 - Very weak shaking
  • Chengdu - Weak shaking
  • Chengdu - Light shaking
  • chengdu - Light shaking




    Other earthquakes in the greater epicenter area

    Strongest earthquakes (since 1900) within a 150 km radius from this earthquake

    Screen Shot 2018-02-12 at 18.31.30

    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) ?
    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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