Moderate earthquake in northern Vietnam - More than 100 buildings damaged - July 27, 2020

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Update 12:14 UTC
At least 126 buildings in five towns were damaged by this earthquake. Some suffered severe cracks or partial collapses. Mainly resudental houses but also a hospital, a school and some other public buildings were damaged. There are so far no information about the number of evacuated people. Nobody was injured.

Parts of northern Vietnam and Laos were shaken by a moderate quake on Monday. According to the vietnamese geophysical institude the quake reached Magnitude 5.3 and hit the region Son La southwest of Hanoi. Minor shaking was felt in the upper floor of buildings in Hanoi.
A higher intensity is expected for the areas closer to the epicenter, where minor damage is likely.

Most important Earthquake Data:

Magnitude : 4.7

Local Time (conversion only below land) : Unknown

GMT/UTC Time : 2020-07-27 05:14:51

Depth (Hypocenter) : 10 km

Depth and Magnitude updates in the list below.

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Refresh this list
SRC Location UTC Date/time M D INFO
USGS 72 Km Ne Of Xam Nua, Laos Jul 27 05:14 4.8 10 MAP
GEOFON Laos Jul 27 05:14 4.7 10 MAP I Felt It INFO
  • Hung Yen - It lasted 20sec maybe. I was on the 19th floor and I felt moving back and forth. My bamboo was moving too.
  • Hanoi - Light shaking
  • Thanh Hoa - I had the oddest experience 2 hours ago, which seems about the same time as this earthquake. I was sitting on a chair and suddenly felt a funny sensation, almost like I was on a boat. A very gentle swaying sensation from front to back. I thought maybe my blood sugar or pressure dropped and went to go lie down. It didn't last more than a couple of seconds to a minute.
  • Hanoi - The shaking lasted less than 10 seconds, but we could feel the floor on the 4th story moving and our hanging projector swayed a bit
  • Hung Yen10 seconds or mor - 10 seconds
  • Hanoi - I was laying on the bed and it suddenly felt like someone was moving the bed from side to side. It lasted for more than 10 seconds. Nothing was damaged; I was just very confused at the time and didn't know what was happening until I saw on a FB group that people were talking about an earthquake.
  • Hanoi - Living on 7th floor, the whole building started swinging for about 10 seconds.
  • Hanoi - 20sec
  • Hanoi - 30s to 1mins
  • Hung Yen - Weak shaking
  • Hanoi - No damage but I felt a jerk.
  • Hanoi - Felt moderate shaking. No damage or injury.
  • Tay Ho (Hanoi) - Felt shaking for about 1 minute. 30 second weak, then 30 second light. No damage. Saw ripples in neighboring pool. We live on 7th floor.
  • EMSC Laos-vietnam Border Region Jul 27 05:14 4.8 2 MAP


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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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