PWRI response to the 2011 off the Pacific coast of Tohoku earthquake (2011 Great East Japan earthquake)
*For response about the Civil Engineering Research Institute for Cold Region, please see below. (Only in Japanese)
東北地方太平洋沖地震における寒地土木研究所の対応
*For more details, please refer to the link below. (Information of the earthquake disaster is only in Japanese)
The Landslide Research Team of the Erosion and Sediment Control Research Group
The Center for Advanced Engineering Structural Assessment and Research (CAESAR)
The Recycling Research Team of the Materials and Resources Research Group
The Snow Avalanche and Landslide Research Center of the Erosion and Sediment Control Research Group
-May 10, 2011
- Investigate slope failure and land slide disaster situation at Shirakawa City, Fukushima Prefecture. (Three experts from the Landslide Research Team of the Erosion and Sediment Control Research Group)
-May 6, 2011
- Investigate damage situation of dams at Higashi-Ibaraki County and Takahagi City, Ibaraki Prefecture. (Four experts from the Dam and Appurtenant Structures Research Team of the Hydraulic Engineering Research Group)
- Investigate slope failure and land slide disaster situation at Sendai City, Miyagi Prefecture. (Three experts from the Landslide Research Team of the Erosion and Sediment Control Research Group)
-April 28, 2011
- Investigate surface earthquake fault at Iwaki City, Fukushima Prefecture since April 27. (Two experts from the Geology Research Team of the Geology and Geotechnical Engineering Research Group) (The forth report of survey)
-April 27, 2011
- Investigate slope failure and land slide disaster situation at Shirakawa City, Fukushima Prefecture. (Four experts from the Landslide Research Team of the Erosion and Sediment Control Research Group)
- Investigate surface earthquake fault at Iwaki City, Fukushima Prefecture. (Two experts from the Geology Research Team of the Geology and Geotechnical Engineering Research Group)
- Investigate damage situation of dams at Yamagata Prefecture since April 26. (Three experts from the Dam and Appurtenant Structures Research Team of the Hydraulic Engineering Research Group)
- Investigate function of hydraulic structures at Ishinomaki City, Miyagi Prefecture since April 26. (Two experts from the River and Dam Hydraulic Engineering Research Team of the Hydraulic Engineering Research Group)
-April 26, 2011
- Investigate damage situation of dams at Yamagata Prefecture. (Three experts from the Dam and Appurtenant Structures Research Team of the Hydraulic Engineering Research Group)
- Investigate function of hydraulic structures at Ishinomaki City, Miyagi Prefecture. (Two experts from the River and Dam Hydraulic Engineering Research Team of the Hydraulic Engineering Research Group)
-April 24, 2011
- Investigate damage situation of dams at Mogami County, Yamagata Prefecture since April 23. (Four experts from the Dam and Appurtenant Structures Research Team of the Hydraulic Engineering Research Group)
- Investigate damage situation of weirs and flood gates at Ishinomaki City, Miyagi Prefecture, etc. since April 23.(Two experts from the Advanced Technology Research Team of the Construction Technology Research Department,One expert from the Concrete and Metallic Materials Research Team of the Materials and Resources Research Group)
- Investigate damage of tsunami at Rikuzentakata City, Iwate Prefecture since April 22. (Four experts from the International Centre for Water Hazard and Risk Management, or ICHARM)
-April 23, 2011
- Investigate damage situation of dams at Mogami County, Yamagata Prefecture. (Four experts from the Dam and Appurtenant Structures Research Team of the Hydraulic Engineering Research Group)
- Investigate damage situation of weirs and flood gates at Ishinomaki City, Miyagi Prefecture, etc.(Two experts from the Advanced Technology Research Team of the Construction Technology Research Department,One expert from the Concrete and Metallic Materials Research Team of the Materials and Resources Research Group)
- Investigate damage of tsunami at Rikuzentakata City, Iwate Prefecture since April 22. (Four experts from the International Centre for Water Hazard and Risk Management, or ICHARM)
-April 22, 2011
- Investigate damage of tsunami at Rikuzentakata City, Iwate Prefecture. (Four experts from the International Centre for Water Hazard and Risk Management, or ICHARM)
- Investigate slope disaster and foundation disaster at Ishinomaki City, etc. Miyagi Prefecture since April 19. (Two experts from the Geology Research Team of the Geology and Geotechnical Engineering Research Group)
-April 21, 2011
- Investigate surface earthquake fault at Iwaki City, Fukushima Prefecture since April 19. (Two experts from the Geology Research Team of the Geology and Geotechnical Engineering Research Group
- Investigate slope disaster and foundation disaster at Ishinomaki City, etc. Miyagi Prefecture since April 19. (Two experts from the Geology Research Team, the Construction Technology Research Team and one expert from the Soil Mechanics and Dynamics Research Team of the Geology and Geotechnical Engineering Research Group)
-April 20, 2011
- Investigate surface earthquake fault at Iwaki City, Fukushima Prefecture since April 19. (Two experts from the Geology Research Team of the Geology and Geotechnical Engineering Research Group)(The second report of survey)
- Investigate slope disaster and foundation disaster at Ishinomaki City, etc. Miyagi Prefecture since April 19. (Two experts from the Geology Research Team, the Construction Technology Research Team and one expert from the Soil Mechanics and Dynamics Research Team of the Geology and Geotechnical Engineering Research Group)
-April 19, 2011
- Investigate surface earthquake fault at Iwaki City, Fukushima Prefecture. (Two experts from the Geology Research Team of the Geology and Geotechnical Engineering Research Group)
- Investigate slope disaster and foundation disaster at Ishinomaki City, etc. Miyagi Prefecture since April 18. (Three experts from the Geology Research Team, two experts from the Construction Technology Research Team and one expert from the Soil Mechanics and Dynamics Research Team of the Geology and Geotechnical Engineering Research Group)
-April 18, 2011
- Investigate slope disaster and foundation disaster at Ishinomaki City, etc. Miyagi Prefecture. (Three experts from the Geology Research Team, two experts from the Construction Technology Research Team and one expert from the Soil Mechanics and Dynamics Research Team of the Geology and Geotechnical Engineering Research Group)
- Investigate damage of tsunami at Kesennuma City, Miyagi Prefecture since April 17. (Three experts from the International Centre for Water Hazard and Risk Management, or ICHARM)
-April 17, 2011
- Investigate damage of tsunami at Kesennuma City, Miyagi Prefecture. (Three experts from the International Centre for Water Hazard and Risk Management, or ICHARM)
-April 16, 2011
- Investigate active faults at Iwaki City, Fukushima Prefecture. Surface earthquake fault was newly found along the Yunodake fault. (Nine experts from the Geology and Geotechnical Engineering Research Group) (The First report of survey)
-April 15, 2011
- Investigate active faults at Iwaki City, Fukushima Prefecture. (One Director of the Geology and Geotechnical Engineering Research Group and three experts from the Soil Mechanics and Dynamics Research Team)
- Investigate damage situation of river levees at Fukushima Prefecture and Miyagi Prefecture since April 13. (Three experts from the Soil Mechanics and Dynamics Research Team of the Geology and Geotechnical Engineering Research Group)
- Investigate damage situation of bridges at Iwate Prefecture and Miyagi Prefecture since April 13. (Four experts from the Center for Advanced Engineering Structural Assessment and Research, or CEASAR)
-April 14, 2011
- Investigate damage situation of river levees at Fukushima Prefecture and Miyagi Prefecture since April 13. (Three experts from the Soil Mechanics and Dynamics Research Team of the Geology and Geotechnical Engineering Research Group)
- Investigate damage situation of bridges at Iwate Prefecture and Miyagi Prefecture since April 13. (Four experts from the Center for Advanced Engineering Structural Assessment and Research, or CEASAR)
-April 13, 2011
- Investigate slope failure and land slide disaster situation at Fukushima Prefecture and Ibaraki Prefecture. (Five experts from the Landslide Research Team of the Erosion and Sediment Control Research Group)
- Investigate slope failure and land slide disaster situation at Fukushima Prefecture. (Two experts from the Volcano and Debris Flow Research Team of the Erosion and Sediment Control Research Group)
- Investigate damage situation of river levees at Fukushima Prefecture and Miyagi Prefecture. (Three experts from the Soil Mechanics and Dynamics Research Team of the Geology and Geotechnical Engineering Research Group)
- Investigate damage situation of bridges at Iwate Prefecture and Miyagi Prefecture. (Four experts from the Center for Advanced Engineering Structural Assessment and Research, or CEASAR)
-April 10, 2011
- Investigate damage of tsunami at Iwaki City, Fukushima Prefecture. (Three experts from the International Centre for Water Hazard and Risk Management, or ICHARM)
-April 8, 2011
- Investigate damage situation of liquefaction at Urayasu City, Chiba Prefecture. (One expert from the Soil Mechanics and Dynamics Research Team of the Geology and Geotechnical Engineering Research Group)
- Investigate deformation of dams in Miyagi Prefecture since April 7. (Three experts from the Dam and Appurtenant Structures Research Team of the Hydraulic Engineering Research Group)
- Investigate damage situation of sewage facilities at Miyagi Prefecture since April 5. (Three experts from the Recycling Research Team of the Materials and Resources Research Group)
- Investigate damage situation of bridges at Iwate Prefecture and Miyagi Prefecture since April 5. (Four experts from the Center for Advanced Engineering Structural Assessment and Research, or CEASAR)
-April 7, 2011
- Investigate deformation of dams at Miyagi Prefecture. (Three experts from the Dam and Appurtenant Structures Research Team of the Hydraulic Engineering Research Group)
- Investigate damage situation of sewage facilities at Miyagi Prefecture since April 5. (Three experts from the Recycling Research Team of the Materials and Resources Research Group)
- Investigate damage situation of bridges at Iwate Prefecture and Miyagi Prefecture since April 5. (Four experts from the Center for Advanced Engineering Structural Assessment and Research, or CEASAR)
-April 6, 2011
- Investigate damage situation of liquefaction at Urayasu City, Chiba Prefecture and Itako City, Ibaraki Prefecture. (Five experts from the Soil Mechanics and Dynamics Research Team of the Geology and Geotechnical Engineering Research Group)
- Investigate damage situation of sewage facilities at Miyagi Prefecture since April 5. (Three experts from the Recycling Research Team of the Materials and Resources Research Group)
- Investigate damage situation of bridges at Iwate Prefecture and Miyagi Prefecture since April 5. (Four experts from the Center for Advanced Engineering Structural Assessment and Research, or CEASAR)
-April 5, 2011
- Investigate damage situation of sewage facilities at Miyagi Prefecture. (Three experts from the Recycling Research Team of the Materials and Resources Research Group)
- Investigate damage situation of bridges at Iwate Prefecture and Miyagi Prefecture. (Four experts from the Center for Advanced Engineering Structural Assessment and Research, or CEASAR)
-March 29, 2011
- Investigate slope failure and land slide disaster situation and its possibility at Shirakawa City, etc. Fukushima Prefecture. (One expert from the Landslide Research Team of the Erosion and Sediment Control Research Group)
- Investigate damage situation of bridges at Fukushima City, Fukushima Prefecture. (Two experts from the Center for Advanced Engineering Structural Assessment and Research, or CEASAR)
- Investigate damage situation of bridges at Iwaki City, Fukushima Prefecture. (Three experts from the Center for Advanced Engineering Structural Assessment and Research, or CEASAR)
- Investigate damage situation of bridges at Takahagi City, etc. Ibaraki Prefecture. (Four experts from the Center for Advanced Engineering Structural Assessment and Research, or CEASAR)
- Investigate damage situation of bridges at Mito City, etc. Ibaraki Prefecture. (Four experts from the Center for Advanced Engineering Structural Assessment and Research, or CEASAR)
-March 28, 2011
The information of “The 2011 off the Pacific coast of Tohoku-Kanto earthquake disaster situation of road related facilities” for which The Center for Advanced Engineering Structural Assessment and Research (CEASAR) cooperate to investigate is posted on the Tohoku Regional Development Bureau website. (Only in Japanese)
-March 25, 2011
- Investigate slope failure and land slide disaster at Shirakawa City, Fukushima Prefecture. (Three experts from the Landslide Research Team of the Erosion and Sediment Control Research Group)
- Investigate damage situation of the road embankment at Hitachi City, Ibaraki Prefecture. (Three experts from the Construction Technology Research Team of the Construction Technology Research Department and two experts from the Soil Mechanics and Dynamics Research Team of the Material and Geotechnical Engineering Research Group)
-March 23, 2011
- Investigate foundation disaster situation (failure of slope or embankment, etc.) at Fukushima City, etc. Fukushima Prefecture. (Three experts from the Geology Research Team and one expert from the Soil Mechanics and Dynamics Research Team of the Material and Geotechnical Engineering Research Group)
- Investigate damage of tsunami at Oarai City, Ibaraki Prefecture. (Four experts from the International Centre for Water Hazard and Risk Management, or ICHARM)
-March 18, 2011
-Investigate slope failure and land slide disaster at Nasukarasuyama City, Tochigi Prefecture and Shirakawa City, Fukushima Prefecture. (Three experts from the Landslide Research Team of the Erosion and Sediment Control Research Group)
-Investigate slope failure and land slide disaster situation and its possibility at Yamagata Prefecture, Iwate Prefecture and mountain area in Miyagi Prefecture. (One expert from the Landslide Research Team of the Erosion and Sediment Control Research Group)
-Provide assistance for rehabilitation work of damaged levees at Ibaraki Prefecture and Chiba Prefecture. (Five experts from the Soil Mechanics and Dynamics Research Team and two experts from Geology Research Team of Material and Geotechnical Engineering Research Group)
-March 17, 2011
-Investigate damage situation of the bridges at Ofunato City, Iwate Prefecture since March 14. (Three experts from the Center for Advanced Engineering Structural Assessment and Research, or CEASAR)
-March 16, 2011
-Investigate damage situation of embankment around Tamachi Bridge at Abukuma Plateau, Fukushima Prefecture. (Two experts from the Construction Technology Research Team of the Construction Technology Research Department)
-Investigate damage situation of bridges at Miyako City and others, Iwate Prefecture since March 13. (Two experts from the Center for Advanced Engineering Structural Assessment and Research, or CEASAR)
-Investigate damage situation of bridges at Ofunato City, Iwate Prefecture since March 14. (Three experts from the Center for Advanced Engineering Structural Assessment and Research, or CEASAR)
-March 15, 2011
-Investigate damage situation of bridges at Namegata City and Hokota City, Ibaraki Prefecture. (Three experts from the Center for Advanced Engineering Structural Assessment and Research, or CEASAR)
-Investigate damage situation of bridges at Chikusei City, Ibaraki Prefecture. (Two experts from the Center for Advanced Engineering Structural Assessment and Research, or CEASAR)
-Investigate slope failure and land slide disaster situation at Tokamachi City, Niigata Prefecture. (Five experts from the Snow Avalanche and Landslide Research Center of the Erosion and Sediment Control Research Group)
-Investigate damage situation of river levees at Miyagi Prefecture. (Two experts from the Soil Mechanics and Dynamics Research Team of the Material and Geotechnical Engineering Research Group)
Investigate damage situation of bridges at Ofunato City and others, Iwate Prefecture since March 14. (Three experts from the Center for Advanced Engineering Structural Assessment and Research, or CEASAR)
Investigate damage situation of bridges at Miyako City and others, Iwate Prefecture since March 13. (Two experts from the Center for Advanced Engineering Structural Assessment and Research, or CEASAR)
Investigate damage situation of bridges at Kamaishi City and others, Iwate Prefecture since March 12. (Three experts from the Center for Advanced Engineering Structural Assessment and Research, or CEASAR)
-March 14, 2011
-Investigate slope failure and land slide disaster situation and its possibility at Shirakawa City, Fukushima Prefecture. (One expert from the Landslide Research Team of the Erosion and Sediment Control Research Group)
Investigate damage situation of bridges at Ofunato City, Iwate Prefecture. (Three experts from the Center for Advanced Engineering Structural Assessment and Research, or CEASAR)
-Investigate slope failure and land slide disaster situation at Sakae City, Nagano Prefecture and Tokamachi City, Tsunan Town, Niigata Prefecture. (Five experts from the Snow Avalanche and Landslide Research Center of the Erosion and Sediment Control Research Group,)
-Investigate damage situation of bridges at Miyako City and others, Iwate Prefecture since March 13. (Two experts from the Center for Advanced Engineering Structural Assessment and Research, or CEASAR)
-Investigate damage situation of bridges at Kamaishi City and others, Iwate Prefecture since March 12. (Three experts from the Center for Advanced Engineering Structural Assessment and Research, or CEASAR)
-March 13, 2011
-Investigate damage situation of the retaining parts of the bridges at Shimotsuma City, Ibaraki Prefecture. (Two experts from the Soil Mechanics and Dynamics Research Team of the Material and Geotechnical Engineering Research Group,)
-Investigate damage situation of bridges at Miyako City and others, Iwate Prefecture. (Three experts from the Center for Advanced Engineering Structural Assessment and Research, or CEASAR)
-Investigate damage situation of bridges at Kamaishi City and others, Iwate Prefecture since March 12. (Three experts from the Center for Advanced Engineering Structural Assessment and Research, or CEASAR)
-March 12, 2011
-Investigate damage situation of nine bridges owned by Ibaraki prefecture. (Two experts from the Center for Advanced Engineering Structural Assessment and Research, or CEASAR)
-Investigate damage situation of bridges at Tsukuba City, Ibaraki Prefecture. (Three experts from the Center for Advanced Engineering Structural Assessment and Research, or CEASAR)
-Investigate damage situation of bridges at Kamaishi City and others, Iwate Prefecture. (Three experts from the Center for Advanced Engineering Structural Assessment and Research, or CEASAR)
Emergency response
PWRI activated an emergency response at 3:15pm (JST) March 11 and set up a disaster response headquarters in PWRI to cope with emergencies any time such as making decisions of landslide risks when life-saving supports are needed.
Earthquake information
-Date and time
-Magnitude
-Location
-Depth |
2:46 pm (JST) March11, 2011
9.0 (provisional value)
Sanriku (130km (18miles) east-southeast of Oshika peninsula)
24km (15.2miles) (provisional value) |
-Location measured with 6 lower or above of intensity in Japanese scale
Intensity 7
Intensity 6 upper
Intensity 6 lower |
Northern Miyagi Prefecture
Southern and central Miyagi Prefecture
Naka-dori(central) and Hama-dori(eastern) of Fukushima Prefecture
Northern and southern Ibaraki Prefecture (where PWRI is located)
Northern and southern Tochigi Prefecture
South coast, northern and southern inland of Iwate Prefecture
Aizu, Fukushima Prefecture
Southern Gunma Prefecture
Southern Saitama Prefecture
Northwest Chiba Prefecture |
Experts from the Center for Advanced Engineering Structural Assessment and Research (CAESAR) are investigating tsunami damage situation of the bridge.
Experts from the Soil Mechanics and Dynamics Research Team are investigating damage situation of special levee.
Experts from the Recycling Research Team are investigating the damage situation of sewage treatment center.
