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Earthquake

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Proceedings Papers

Paper presented at the ISRM International Symposium on In-Situ Rock Stress, August 25–27, 2010
Paper Number: ISRM-ISRS-2010-108
... ABSTRACT: p value in Omori's law and the b value in G-R relation are probably the most broadly accepted statistics in seismicity study. In this paper, we focused on the p and b values of two great earthquake sequences occurred in China, the 1999 Chi-Chi Mw7.6 earthquake...
Proceedings Papers

Paper presented at the ISRM International Symposium on In-Situ Rock Stress, August 25–27, 2010
Paper Number: ISRM-ISRS-2010-123
... ABSTRACT: In 1960s, J.S. Lee (Si-Guang Li) pointed out that, tectonic stress and its variation have tight relationship with earthquake, and unraveling the stress variation process by in-situ stress measurement is key to realize earthquake prediction. On the basis of Dr. Lee's speeches andmy...
Proceedings Papers

Paper presented at the The Eighteenth International Offshore and Polar Engineering Conference, July 6–11, 2008
Paper Number: ISOPE-I-08-236
... ABSTRACT In Kochi Prefecture, the fishing ports are desired to maintain the function of port at least by the simple sectional reinforcement against the earthquake motion and tsunami by Nankai Earthquake. This research was executed to the Kaminokae Fishing port, where is one of the typical...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-230
... ABSTRACT: In the first half of this paper, possibility of damage to houses and housing sites in the event of a similar earthquake to the 1978 Off-Miyagi Earthquake is discussed based on the investigation of long term variation in N values in the ground below severely damaged houses. Thus, we...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-266
... renovation east university international conference geological condition rockfall ljubljana grade 5 Earthquake Hazard Reservoir Characterization earthquake effect territory Slovenia information Earthquake sediment Posocje construction foundation landscape landslide Vidrih...
Proceedings Papers

Paper presented at the 2000 SEG Annual Meeting, August 6–11, 2000
Paper Number: SEG-2000-0746
... ABSTRACT Summary The MT was used as part of an integrated project to map the earthquake bearing structures in Chi-Chi area; subsequently, eight MT soundings were conducted and analyzed to map 2D resistivity distributions. seg 2000 1SEG 2000 Expanded Abstracts 2SEG 2000 Expanded...
Proceedings Papers

Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Reservoir Simulation Conference, October 26, 2021
Paper Number: SPE-203921-MS
...-coulomb failure criterion is utilized to determine the spatial-temporal faults activation and reveal the trigger mechanisms of induced earthquakes. The mitigation strategy was proposed accordingly to reduce the potential seismic hazards near this region. A case study of M L 4.18 earthquake in the East...
Proceedings Papers

Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-31056-MS
... Abstract Pseudostatic limit-equilibrium based slope stability analyses are carried out on a routine basis to evaluate stability of submarine slopes under earthquake loading. For slopes in deepwater settings, a major challenge in performing pseudostatic slope stability analyses is selection...
Proceedings Papers

Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-3187
... Abstract This paper reviews the ten–year–long progress from the 2011 Great East Japan Earthquake in tsunami monitoring and coastal defense in Japan. For instance, the GPS–mounted buoy system introduced a backup data transmission line while the networks of oceanfloor seismic and water pressure...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1153
... Abstract Landslide disasters, one of the most destructive geo-hazards, often have serious consequences that range from economic losses to fatalities. Earthquakes, particularly those with strong ground motion, can trigger thousands of landslides in mountainous regions. The 2008 Wenchuan...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3426905
...Rapid Deployment of Distributed Acoustic Sensing Systems to Track Earthquake Activity Martin Karrenbach1, Zhichao Shen2, Zefeng Li2, Steve Cole1, Ethan Williams2, Andy Klesh3, Xin Wang2, Zhongwen Zhan2, Lisa LaFlame1, Victor Yartsev1 and Vlad Bogdanov1; 1OptaSense, 2Caltech, 3JPL. Summary foreshock...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3428107
... Continuous seismic monitoring systems aid us to act on preventing strong earthquakes, such as induced by oil and gas extraction, deep geothermal systems and carbon sequestration. These systems provide the data to detect and locate such events and to determine their source magnitude and mechanism...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3428135
... Physics-based simulations in studies of induced seismicity are very important in improving the understanding of the complicated processes and building more direct causal relations between human activity and earthquakes, but are often limited by our knowledge about medium and fault properties...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3427725
... are jointly exploited, through ambient noise tomography and earthquake-based methodologies respectively, in order to obtain a reference shear-wave velocity (VS) crustal model. The applied passive seismic techniques allowed to constrain the VS distribution at depths ranging from the shallow parts of the crust...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-2182
... frequency offshore earthquake ground motion ground motion upstream oil & gas offshore pipeline displacement excitation seismic ground motion temporal-spatial correlation midstream oil & gas nonuniform excitation uniform excitation offshore ground motion multi-point...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-4254
... of a Fixed Horizontal Cylindrical Fish Cage under Earthquake Load An-Dong Wang, Chun-Wei Bi, Guo-Hai Dong, Shou-An Guo State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology Dalian, China ABSTRACT A finite element model of a fixed horizontal cylindrical fish cage...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-2229
... ABSTRACT In the near future, the Nankai Trough earthquake is expected to occur in Japan. It may not be received by the rescue and support from the land in the event of a disaster since the Kochi Prefecture is surrounded by steep mountains. Therefore, Kochi Prefecture has placed earthquakeproof...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-3326
... ABSTRACT This paper described the reinforced breakwater foundation against earthquake and tsunami induced failure. To resist the compound disaster of earthquake and tsunami, the breakwater model used steel sheet pile, gabion, impervious filling material and tetrapod to make the foundation...
Proceedings Papers

Paper presented at the 54th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2020
Paper Number: ARMA-2020-1716
... large earthquakes that could otherwise be caused by injection activities. Here we present evidence of this phenomenon by evaluating available field data from a contained enhanced geothermal system in relation to non-caged injection-dominated sites. We also discuss a possible mechanism by which caging...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2020, June 14–19, 2020
Paper Number: ISRM-EUROCK-2020-016
... Abstract Several case studies exist around the world showing how underground structures have been adversely affected during earthquake events. The damages to underground structures include instability at the portals, shearing along an active fault intersecting the tunnel, damage in concrete...

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