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(Major) Earthquakes list December 4, 2012 – Strong but deep earthquake in Anchorage, Alaska

Monday, December 3, 2012 19:53
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(Before It's News)

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-Strong but deep earthquake 44km from Anchorage, Alaska
 A strong 5.8 Magnitude earthquake at a depth of 50km struck 44km from Anchorage, Alaska (population- 380,000 people). The earthquake, if preliminary reports are confirmed, could had been felt as a IV-VI on the Mercalli scale (Light to Strong shaking), this means there can be minor damage around the area. We will update if more news comes.
The magnitude is not big enough to create a tsunami.
Update: Alaska Airlines says that there has been no damage to its buildings following this evening’s earthquake. There are no operational delays (from twitter).
Update: AP news reports that the earthquake knocked items off shelves around Anchorage, we expect this kind of  minor damage (knocked items, broken windows, etc.) from this earthquake.


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The 4 accounts have been set-up to show or ALL or M4 and more or M5 and more or finally M6 or more
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Label info : M = magnitude, D = depth (km), Time = UTC - Click here for the Time Zone world map.
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NEW EARTHQUAKES and EXPERIENCE REPORTS WILL APPEAR AUTOMATICALLY

SRC Location UTC Date/time M D INFORMATION
ER I Felt A (not Listed) Earthquake Dec 04 23:58 PM 4.6 0.1 MAP I Felt It
GEOFON Southern Alaska Dec 04 01:43 AM 5.7 10.0 MAP I Felt It
USGS Southern Alaska Dec 04 01:42 AM 5.8 53.2 MAP I Felt It
  • 3136 discovery bay dr. - our chandelier was shaking and had to go under a door way
  • Anchorage, AK - Hard initial jolt & shaking and gradually the shaking eased, books fell off bookshelf.
  • Anchorage Alaska - car rocked and rolled. Trailers weaving
    		•
    EMSC Southern Alaska Dec 04 01:42 AM 5.7 60.0 MAP I Felt It
    GEOFON Southern Alaska Dec 04 01:42 AM 5.8 10.0 MAP I Felt It

    Data sources courtesy :  USGS – EMSC – GFZ – GEONET

    Earthquakes occurred yesterday (UTC time), but today local time

    Ryukyu Islands, Japan Dec 03 14:29 PM M 4.6 Depth 47.0 km

    Useful information to read this daily earthquake list

    This earthquake list covers important earthquakes in the world.
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    For your comfort, we will provide in most cases a Google Satellite Map to give you an idea where the earthquake struck, which terrain it happened and if villages or cities are located in the immediate vicinity. The multi-source approach has been setup to compare values as seismology is not an exact science and needs a lot of calculations. The reference for the time zone is UTC (Coordinated Universal Time, also called GMT). Color explanation if we add some details above the list :
    green color = NOT dangerous for damage or injuries
    orange color = MODERATE risk for damage or injuries
    red color = CONSIDERABLE risk for damage or injuries

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    I have felt it – Ik heb het gevoeld – Το έκανα αισθάνεται – Yo lo he sentido – 我的确感到了 – 私はそれを感じていました- Ich habe es gefühlt – Bunu hissediyorum yaptı – لم أشعر أنه

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    Enter Email (not compulsory)
    Your current location
    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.
    Write your experience and/or additional text here (max. 500 characters)


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