Moderate shallow damaging earthquake near Mojiang, Yunnan, China on February 20, 2013

Update : 4506 rooms have been damaged including 60 collapsed (10 households), 1740 severely damaged (580 households) and 2706 slightly damaged (1353 households). In addition, a primary school was damaged. The total losses currently stand at around 19.52 million CNY (around 2.8 million USD).

Update : More detailed reports from Yunnan show that the damage level was much larger than earlier reported. At least 10 houses were completely destroyed. 880 more were damaged. Besides to residences, also more than 70 barns were damaged, just as 1 school.
5.016 people were affected by the quake. Nobody was injured. Homeless people were supported with tents and food.

Update : According to the China Seismological Agency the locally measured Magnitude was M4.8 at a depth of only 5 km. As assessment team has been cent to the epicentral area. Many houses showed cracks, fallen tiles and objects, but so far no reports of collapsed rooms or houses or injuries.

According to Yunnan Seismographs the epicenter was located 22 kilometers south-west of Mojiang.

Distance from the red icon (Pu’er City) to the epicenter (red bullet) : 82 km

217 km SW Kunming (pop 1,023,674 ; local time 13:01:59.2 2013-02-20)
143 km W Gejiu (pop 136,135 ; local time 13:01:59.2 2013-02-20)
98 km NE Simao (pop 71,094 ; local time 13:01:59.2 2013-02-20)

Most important Earthquake Data:

Magnitude : 4.9

Local Time (conversion only below land) : 2013-02-20 13:01:59

GMT/UTC Time : 2013-02-20 05:01:59

Depth (Hypocenter) : 10 km

Depth and Magnitude updates in the list below.

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SRC	Location	UTC Date/time	M	D	INFO
USGS	Yunnan, China	Feb 20 05:01	4.6	10	MAP I Felt It
GEOFON	Yunnan, China	Feb 20 05:01	4.9	10	MAP I Felt It INFO
EMSC	Yunnan, China	Feb 20 05:01	4.7	10	MAP I Felt It

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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.
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