(Major) Earthquakes list August 20, 2012 – Moderate earthquake close to Tokyo

Last update: August 20, 2012 at 9:37 pm by By

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Moderate earthquake close to Tokyo
A moderete M5.1 earthquake has struck close to Tokyo. Max. shaking was a 3 JMA while Earthquake-Report.com uses 5+ as a minimum to be dangerous for damage.
The earthquake occurred at 20:42 Japanese time.

Very strong (deep) earthquake below Papua New Guinea
PNG continuous to be shaken almost every week. This time a M6.2 earthquake struck at a relatively deep hypocenter of 80 km below mainland PNG. Mt. Hagen is located at a distance of 115 km from the epicenter.
The shaking will be felt in a very wide area of hundreds of km. We do not expect this earthquake to be damaging nor to inflict injuries because of the epicenter’s location and the depth of the hypocenter.
Earthquake data see Major earthquake list August 19

Label info : M = magnitude, D = depth (km), Time = UTC – Click here for the Time Zone world map.
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SRC Location UTC Date/time M D INFORMATION
EMSC Halmahera, Indonesia Aug 20 21:45 PM 4.7 40 MAP I Felt It
GEOFON Halmahera, Indonesia Aug 20 21:45 PM 4.7 34 MAP I Felt It
USGS Halmahera, Indonesia Aug 20 21:45 PM 4.6 44 MAP I Felt It
EMSC Kuril Islands Aug 20 17:44 PM 4.8 10 MAP I Felt It
GEOFON Kuril Islands Aug 20 17:44 PM 4.8 10 MAP I Felt It
USGS Near The East Coast Of Honshu, Japan Aug 20 16:42 PM 5.1 30 MAP I Felt It
EMSC Near East Coast Of Honshu, Japan Aug 20 16:42 PM 5.2 10 MAP I Felt It
GEOFON Near East Coast Of Honshu, Japan Aug 20 16:42 PM 5.1 29 MAP I Felt It
GEOFON New Britain Region, P.n.g. Aug 20 14:23 PM 4.7 76 MAP I Felt It
EMSC Near East Coast Of Honshu, Japan Aug 20 11:42 AM 5.2 40 MAP I Felt It
USGS Near The East Coast Of Honshu, Japan Aug 20 11:42 AM 5.0 39 MAP I Felt It
  • Narita Japan - hangers clanging in the closet, bathroom door swinging back and forth. feet lifting off the table. Felt the building swaying back and forth ( I am in a hotel on the 9th floor of a tower.) seemed to last for about 45 seconds to 1 minute total.
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    GEOFON Near East Coast Of Honshu, Japan Aug 20 11:42 AM 5.2 50 MAP I Felt It
    USGS Off The West Coast Of Northern Sumatra Aug 20 11:18 AM 4.9 26 MAP I Felt It
    EMSC Off W Coast Of Northern Sumatra Aug 20 11:18 AM 4.9 22 MAP I Felt It
    GEOFON Off West Coast Of Northern Sumatra Aug 20 11:18 AM 5.2 10 MAP I Felt It
    EMSC Kep. Tanimbar Region, Indonesia Aug 20 07:56 AM 4.7 64 MAP I Felt It
    GEOFON Tanimbar Islands Reg., Indonesia Aug 20 07:56 AM 4.7 64 MAP I Felt It
    EMSC Kepulauan Barat Daya, Indonesia Aug 20 03:10 AM 4.7 450 MAP I Felt It
    GEOFON Banda Sea Aug 20 03:10 AM 4.8 444 MAP I Felt It
    USGS Kepulauan Barat Daya, Indonesia Aug 20 03:10 AM 4.7 441 MAP I Felt It
    GEOFON Celebes Sea Aug 20 02:54 AM 4.8 499 MAP I Felt It
    EMSC Celebes Sea Aug 20 02:54 AM 4.8 500 MAP I Felt It
    USGS Celebes Sea Aug 20 02:54 AM 4.9 504 MAP I Felt It
    GEOFON Fiji Islands Region Aug 20 02:15 AM 4.7 10 MAP I Felt It

    Data sources courtesy : USGS – EMSC – GFZ – GEONET

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

    Near N Coast Of New Guinea, Png. Aug 19 22:41 PM M 6.2 Depth 83.0 km

    seismograph - recordingUseful information to read this daily earthquake list
    This earthquake list covers important earthquakes in the world.
    If a more detailed page is present, the earthquake line will be linked to the detailed page.
    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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    City/Village where you felt the earthquake
    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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