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Earthquake Magnitude 7.4 - NEAR THE EAST COAST OF HONSHU, JAPAN - April 7, 2011

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  • Earthquake Magnitude 7.4 - NEAR THE EAST COAST OF HONSHU, JAPAN - April 7, 2011

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  • #2
    Re: Japan - Major Earthquake Magnitude 9.0 on Mar 11, Many thousands dead & missing - March 27+

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    http://www.jma.go.jp/en/quake/201104...91-072332.html

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    • #3
      Magnitude 7.4 - NEAR THE EAST COAST OF HONSHU, JAPAN

      http://earthquake.usgs.gov/earthquak...usc0002ksa.php

      Magnitude 7.4 - NEAR THE EAST COAST OF HONSHU, JAPAN
      2011 April 07 14:32:41 UTC

      Magnitude 7.4
      Date-Time

      * Thursday, April 07, 2011 at 14:32:41 UTC
      * Thursday, April 07, 2011 at 11:32:41 PM at epicenter

      Location 38.253°N, 141.640°E
      Depth 25.6 km (15.9 miles)
      Region NEAR THE EAST COAST OF HONSHU, JAPAN
      Distances

      * 66 km (41 miles) E (90°) from Sendai, Honshu, Japan
      * 118 km (73 miles) ENE (60°) from Fukushima, Honshu, Japan
      * 147 km (91 miles) NNE (26°) from Iwaki, Honshu, Japan
      * 333 km (207 miles) NNE (30°) from TOKYO, Japan

      Location Uncertainty horizontal +/- 13.1 km (8.1 miles); depth +/- 7.2 km (4.5 miles)
      Parameters NST=426, Nph=427, Dmin=358.4 km, Rmss=0.75 sec, Gp= 32°,
      M-type=regional moment magnitude (Mw), Version=B
      Source

      * U.S. Geological Survey, National Earthquake Information Center:
      World Data Center for Seismology, Denver

      Event ID usc0002ksa

      Comment


      • #4
        Re: Magnitude 7.4 - NEAR THE EAST COAST OF HONSHU, JAPAN

        the deceased
        Miyagi pref
        79 years old man died of shock
        85 years old man died of shock
        74 years old woman fell off 3F
        *blindness, deafness
        84 years old woman died

        Yamagata pref
        63 years old woman died of oxygen inhaler stopped caused by power cut
        *respiratiury insufficiency

        the injured
        Miyagi pref: 93 persons
        Iwate pref: 13 persons
        Yamagata pref: 11 persons
        Fukushima pref: 9 persons
        Akita pref: 6 persons
        Aomori pref: 9 persons
        via nhk

        nuclear plant
        Onagawa plant quake acceleration: 476.3 gal
        power source
        after quake: Oshika 1 line, Matsushima 1 line and Tsukahama feederline fallen, Oshika 1 line is working
        now: Oshika 2 lines, Matsushima 1 line and Tsukahama 1 feederline restored

        unit 1
        water leak from fuel pool: 2.3 L

        unit 2
        water leak from fuel pool: 3.8 L
        water leak at auxiliary boiler room: 0.5 L
        gallery rooms for visitors: window glass cracked
        starting transformer cooler: oil leak

        unit 3
        water leak from fuel pool: 1.8 L
        water leak at low pressure reactor core spraypump room: 0.05 L
        water leak at concentrated liquid waste pump room: 1.0 L
        water leak around turbine component cooling water and heat exchanger: 2.3 L
        turbine building: blowout panel come off

        waste storage bunker building
        water leak: 2.0 L

        Higashidori plant during periodic inspection, quake acceleration: 8 gal
        power source
        after quake: Mutsu 2 lines fallen, emergency diesel power source is working
        now: Tohokushiramuka 1 line, emergency diesel power source fallen

        Tokai plant: no problem

        Fukushima plant 1
        http://www.tepco.co.jp/en/press/corp...1040803-e.html

        Fukushima plant 2
        http://www.tepco.co.jp/en/press/corp...1040802-e.html

        Kashiwazaki Kariwa plant
        http://www.tepco.co.jp/en/press/corp...1040710-e.html
        http://www.tepco.co.jp/en/press/corp...1040801-e.html

        reprocessing plant
        Rokkasho reprocessing plant
        power source
        after quake: external power source fallen, emergency diesel power source is working
        now: external power source restored at 09:44 AM, external power source and emergency diesel power source are working

        thermal power station
        Hachinohe thermal power station: unit 3 restarted
        Noshiro thermal power station: units 1 and 2 restarted
        Akita thermal power station: units 2, 3 and 4 restarted

        Sendai thermal power station: unit 4 stopped
        Shin-Sendai thermal power station: units 1 and 2 stopped
        Haramachi thermal power station: units 1 and 2 stopped

        geothermal power plant
        Kakkonda plant: units 1 and 2 restarted
        Suminaka plant: unit 1 restarted

        hydraulic power plant
        6 facilities damaged
        5 facilities restored
        *includes 3/11 quake case

        black out
        part of Iwate pref
        part of Miyazaki
        part of Fukushima pref
        restored
        Yamagata pref
        Aomori pref
        Akita pref

        destroyed
        4 houses

        fire
        3 houses burned down

        gas leak
        lot of case

        water outage
        Tome city(Miyagi pref)

        dead telephone line
        part of Miyagi pref

        train
        Tohoku shinkansen;
        Ichinoseki sta - Shinaomori sta: canceled
        Yamagata shinkansen: all canceled 4/8
        Akita shinkansen: all canceled 4/8

        http://www.tohoku-epco.co.jp/informa...82212_821.html
        Last edited by makoto; April 12th, 2011, 08:17 AM. Reason: add information, TV live

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        • #5
          Re: Magnitude 7.4 - NEAR THE EAST COAST OF HONSHU, JAPAN

          TEPCO: Japan's Fukushima NPP Not Damaged by Powerful Earthquake

          April 7, 2011, Thursday

          The Tokyo Electric Power company has announced that the Fukushima Daiichi and Fukushima Daini nuclear power plants have not been damaged by 7.4-magnitude earthquake that hit Japan Thursday night.

          The earthquake occurred at 11:32 pm local time, its epicenter was located 40 km off the east coast of Japan below the sea bed, Japanese state TV NHK reported.

          A tsunami warning has been issued as a result of the new strong earthquake; a one-meter high tsunami is expected to hit the coast of northeastern Japan.

          Japan's meteorological agency has urged evacuation of the coastal areas of the Miyagi prefecture.

          The Tokyo Electric Power Company (TEPCO) has announced that the new earthquake has not affected the situation in the Fukushima Daiichi nuclear power plant, which was badly damaged by the March 11 earthquake ushering into one of the world's worst nuclear crises ever. All TEPCO workers from Fukushima Daiichi and Fukushima Daini have taken shelter, and are reported to be safe.

          A spokesperson of TEPCO announced on NHK TV that the company is continuing its water injection of reactors 1, 2, and 3 at the Fukushima Daiichi NPP as well as the injection of nitrogen into reactor 1, which are part of its measures to contain the crisis situation caused by the March 11 earthquake.

          The Onagawa NPP, however, has been affected as only one of the three power transmission lines of the plant remains functioning. According to the authorities, it is sufficient to maintain the operations on the spot. The three reactors at Onagawa were turned off after the March 11 earthquake. The Japan nuclear safety agency has announced that no radiation leaks have been detected.

          http://www.novinite.com/view_news.php?id=127081
          http://novel-infectious-diseases.blogspot.com/

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          • #6
            Re: Magnitude 7.4 - NEAR THE EAST COAST OF HONSHU, JAPAN

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            http://www.jma.go.jp/en/tsunami/index.html

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            • #7
              Re: Magnitude 7.4 - NEAR THE EAST COAST OF HONSHU, JAPAN

              NHK

              Massive earthquake hits Japan again

              A magnitude 7.4 earthquake shocked disaster-hit northeastern Japan late Thursday night....
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              Friday, April 08, 2011 01:30 +0900 (JST)
              http://www3.nhk.or.jp/daily/english/08_h05.html

              Onagawa nuclear plant loses part of outside power

              Japan's nuclear agency says the quake on Thursday night disabled 2 out of the 3 outside power lines used at the Onagawa nuclear power plant in Miyagi Prefecture....

              Friday, April 08, 2011 01:30 +0900 (JST)
              http://www3.nhk.or.jp/daily/english/08_04.html

              TEPCO:No trouble reported

              Tokyo Electric Power Company says there are no additional problems with the facilities at the crippled Fukushima Daiichi and Daini nuclear power plants due to the recent aftershock.....

              Friday, April 08, 2011 01:31 +0900 (JST)
              http://www3.nhk.or.jp/daily/english/08_03.html

              Powerful quake strikes northeastern Japan

              A magnitude 7.4 quake occurred off the Miyagi coast, northeastern Japan late Thursday night.

              The Meteorological Agency says the quake registered 6-plus on the Japanese seismic scale of 0 to 7 in Sendai and another place in Miyagi prefecture. It says an intensity of 6-minus was registered in wide areas of Miyagi and Iwate prefectures, and that the quake was felt in many regions across Japan......

              Friday, April 08, 2011 06:10 +0900 (JST)
              http://www3.nhk.or.jp/daily/english/08_06.html

              Aftershock puts nuclear plants on emergency power

              Japan's nuclear agency says the quake that struck northeastern Japan on Thursday, disabled all but one outside power supply line at the Onagawa nuclear power plant in Miyagi Prefecture.

              The Nuclear and Industrial Safety Agency says 2 of the 3 power lines became unavailable and the plant is using the only remaining line to cool its nuclear reactors......

              Friday, April 08, 2011 06:10 +0900 (JST)
              http://www3.nhk.or.jp/daily/english/08_09.html

              TEPCO to inspect nuke plant after quake

              The Tokyo Electric Power Company plans to resume operations to tackle safety issues at its crippled Fukushima Daiichi nuclear power plant following a powerful quake on Thursday night.

              The utility company says an examination immediately after the latest quake showed no ill effects on the facilities and the operation to inject water into the Number 1, 2 and 3 reactors. Radiation monitors at the plant showed no change in readings.....

              Friday, April 08, 2011 08:00 +0900 (JST)
              http://www3.nhk.or.jp/daily/english/08_10.html

              2 killed, 132 injured in Thursday's quake

              Two people were killed in a powerful earthquake that hit northeastern Japan on Thursday night. 132 others were injured.
              The Fire and Disaster Management Agency says that in Obanazawa City, Yamagata Prefecture, a 63-year-old woman was found dead at her home on Friday morning. Fire officials suspect that her oxygen breathing apparatus stopped working when the power supply was cut off.....

              Friday, April 08, 2011 11:59 +0900 (JST)
              http://www3.nhk.or.jp/daily/english/08_19.html

              Thursday's quake damages Onagawa nuclear plant

              Tohoku Electric Power Company says Thursday night's strong earthquake caused water to overflow from spent fuel storage pools at one of its nuclear power plants.

              The power company reported on Friday that water had spilled onto the floor at all 3 reactors at the Onagawa nuclear power plant in Miyagi Prefecture. The amount of water spilled was 3.8 liters at the most.....

              Friday, April 08, 2011 11:59 +0900 (JST)
              http://www3.nhk.or.jp/daily/english/08_20.html

              Aftershock batters nuclear plants

              Nuclear power plants and related facilities in the coastal areas of northeastern Japan were forced to rely on emergency power after their electricity was cut off in Thursday night's quake.....

              Friday, April 08, 2011 14:01 +0900 (JST)
              http://www3.nhk.or.jp/daily/english/08_24.html

              Aftershock aftermath

              The magnitude 7.4 earthquake that struck off the Pacific coast of northeastern Japan on Thursday has left more than 2.6 million homes and offices without power as of noon, Friday....

              Friday, April 08, 2011 14:28 +0900 (JST)
              http://www3.nhk.or.jp/daily/english/08_h06.html

              Latest quake blacks out 1.1 mil. households

              More than 1.1 million households in northeastern Japan remain without electricity as of Friday afternoon, due to a strong earthquake late on Thursday night.....

              Friday, April 08, 2011 17:08 +0900 (JST)
              http://www3.nhk.or.jp/daily/english/08_28.html

              Magnitude of Thursday quake revised downward

              The Meteorological Agency has downgraded the magnitude of the powerful earthquake that struck northern Japan late Thursday night.
              The agency on Friday revised the magnitude of the quake from 7.4 to 7.1.....

              Friday, April 08, 2011 19:39 +0900 (JST)
              http://www3.nhk.or.jp/daily/english/08_34.html

              TEPCO: Aftershock did not affect Fukushima efforts

              The operator of the crippled Fukushima Daiichi nuclear power plant in northeastern Japan says the strong earthquake on Thursday night has not hampered the ongoing work to restore reactor cooling systems at the plant.....

              Friday, April 08, 2011 19:39 +0900 (JST)
              http://www3.nhk.or.jp/daily/english/08_32.html
              ________________________
              mainichi jp(kyodo, AP)

              Largest aftershock kills 3, unsettles quake survivors
              *now: 4 killed

              SENDAI (Kyodo) -- The strongest aftershock since last month's devastating earthquake that struck Miyagi Prefecture and elsewhere late Thursday night killed three people and left 141 others injured, police and hospital officials said Friday.......

              (Mainichi Japan) April 8, 2011 http://mdn.mainichi.jp/mdnnews/natio...dm001000c.html

              March 11 quake accelerations beyond quakeproof standards at Onagawa

              TOKYO (Kyodo) -- Earthquake acceleration levels at Tohoku Electric Power Co.'s Onagawa nuclear power plant in Miyagi Prefecture exceeded quakeproof standards when the March 11 devastating earthquake hit northeastern Japan, the regional power utility said Thursday.....

              http://mdn.mainichi.jp/mdnnews/natio...dm014000c.html

              Radioactive water spilled at Onagawa nuclear plant in Miyagi

              TOKYO (Kyodo) -- Radioactive water spilled from pools holding spent nuclear fuel rods at the Onagawa power plant in Miyagi Prefecture following the strong earthquake late Thursday, the nuclear safety agency said Friday.....

              http://mdn.mainichi.jp/mdnnews/natio...dm094000c.html

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              • #8
                Re: Earthquake Magnitude 7.4 - NEAR THE EAST COAST OF HONSHU, JAPAN

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                • #9
                  strong earthquake of magnitude 7.1 - 40km E off Oshika Peninsula

                  A strong aftershock of "The 2011 off the Pacific coast of Tohoku Earthquake" occurred Thursday 7 April
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                  http://www.jma.go.jp/jma/en/News/201...ftershock.html

                  NHK

                  Power firms under pressure to review backup plans

                  Thursday's major earthquake has forced nuclear power plants and related facilities in northern Japan to rely on emergency power after their electricity was cut off.
                  No major safety problems occurred, but people are calling on power companies to review their backup plans so that they can better deal with such contingencies......

                  Saturday, April 09, 2011 09:06 +0900 (JST)
                  http://www3.nhk.or.jp/daily/english/09_04.html
                  _________________________
                  Yomiuri online

                  Aftershock mars reconstruction / Tremor deals new blow to areas hard hit by March 11 quake, tsunami

                  Not again!" grumbled a resident of the Tohoku region.
                  Disaster-hit areas that had been on the way to reconstruction were rocked once again by a strong aftershock late Thursday night.....

                  http://www.yomiuri.co.jp/dy/national/T110408005367.htm

                  Backup systems protect N-plants

                  A cooling system at the Higashidori nuclear power plant in Higashidorimura, Aomori Prefecture, stopped temporarily after a powerful aftershock struck northeastern Japan on Thursday night, plant operator Tohoku Electric Power Co. said Friday.
                  According to the company, two external power sources for the Higashidori plant, which was not operating at the time due to a regular inspection, were cut off as a result of outages throughout the prefecture following the aftershock. An emergency generator was used to supply power to the plant.....

                  http://www.yomiuri.co.jp/dy/national/T110408005019.htm
                  _________________________
                  Asahi com

                  7.1 Miyagi quake kills 2, injures more than 100 in Tohoku
                  now: kills 5

                  A magnitude-7.1 earthquake centered off the coast of Miyagi Prefecture rocked northeastern Japan on Thursday night, killing two people and injuring more than 100 in six prefectures and causing extensive blackouts in the Tohoku region, The Asahi Shimbun confirmed Friday.
                  The quake, which struck at 11:32 p.m., was the largest aftershock since the Great East Japan Earthquake on March 11. ...

                  http://www.asahi.com/english/TKY201104080164.html
                  ____________________
                  Mainichi jp(Kyodo, AP)

                  Status of nuclear facilities after Thursday's strong aftershock

                  TOKYO (Kyodo) -- The following is the known status of nuclear power facilities as of Friday night following the aftershock that rattled Miyagi Prefecture and elsewhere late Thursday night, the strongest since the magnitude 9.0 earthquake on March 11.....

                  http://mdn.mainichi.jp/mdnnews/natio...dm013000c.html

                  Major aftershock highlights fragility of nuclear power plants

                  A major aftershock that occurred off Miyagi Prefecture on April 7 greatly disrupted nuclear power facilities in northeast Japan, highlighting the risks that the earthquake-prone country faces in providing nuclear power.....

                  http://mdn.mainichi.jp/mdnnews/natio...na012000c.html

                  Water spilled from fuel pool at Onagawa nuclear plant during aftershock

                  Water spilled out from pools holding spent nuclear fuel at the Onagawa Nuclear Power Plant in Miyagi Prefecture during a major aftershock off the prefecture on April 7, it has been learned.....

                  http://mdn.mainichi.jp/mdnnews/natio...na013000c.html



                  aftershock and blackout
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                  Last edited by makoto; April 9th, 2011, 04:49 AM. Reason: This earthquake is an aftershock of 3/11. Why the thread independence from thread of 3/11 earthquake? i posted info there...

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                  • #10
                    Re: Earthquake Magnitude 7.4 - NEAR THE EAST COAST OF HONSHU, JAPAN - April 7, 2011

                    Asahi com

                    Lessons from March 11 quake smooth response to aftershock

                    Despite shattered nerves and high stress in disaster-hit areas of northeastern Japan, the response to Thursday's huge aftershock was an encouraging sign that lessons have been learned from the Great East Japan Earthquake. ...

                    http://www.asahi.com/english/TKY201104090155.html
                    ________________
                    Mainichi jp(Kyodo, AP)

                    Death toll from aftershock in northeastern Japan rises to 5

                    SENDAI (Kyodo) -- An 84-year-old woman who was caught under furniture and a pillar in a house after a strong aftershock in northeastern Japan on Thursday has died, a hospital in Sendai said Saturday, bringing the death toll to five......
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                    http://mdn.mainichi.jp/mdnnews/natio...dm005000c.html

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                    • #11
                      Re: Earthquake Magnitude 7.4 - NEAR THE EAST COAST OF HONSHU, JAPAN - April 7, 2011

                      We gave this seismic event its own thread because 7.4 is a high number. This may be an aftershock to the earthquake that occurred on March 11, but it had the strength of an earthquake. In addition, we did not know if this was going to result in much damage, or not. We felt the news would best be covered by putting this event on its own thread.

                      "May the long time sun
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                      All love surround you,
                      And the pure light within you
                      Guide your way on."

                      "Where your talents and the needs of the world cross, lies your calling."
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                      “In a gentle way, you can shake the world.”
                      Mohandas Gandhi

                      Be the light that is within.

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                      • #12
                        Re: Earthquake Magnitude 7.4 - NEAR THE EAST COAST OF HONSHU, JAPAN - April 7, 2011

                        Aftershocks higher than expected at Onagawa nuclear plant

                        An April 7 aftershock that struck Tohoku Electric Power Co.'s Onagawa nuclear power plant in Miyagi Prefecture was stronger than the maximum seismic guidelines, the utility said......
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                        4/10
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                        http://www.asahi.com/english/TKY201104140281.html
                        Last edited by makoto; April 15th, 2011, 07:59 PM. Reason: i am not hoping to separate thread. because of the same region and news

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