Strong ground motion in the Kathmandu Valley during the 2015 Gorkha, Nepal, earthquake
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DOI[10.1186/s40623-016-0383-7]to the data of the same series
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- Material Type
- 記事
- Author/Editor
- Nobuo TakaiMichiko ShigefujiSudhir Rajaure
- Publication, Distribution, etc.
- Publication Date
- 2016-01-26
- Publication Date (W3CDTF)
- 2016-01-26
- Periodical title
- EPS : Earth, Planets and Space
- No. or year of volume/issue
- 68(10)
- Volume
- 68(10)
- ISSN (Periodical Title)
- 1880-5981
- ISSN-L (Periodical Title)
- 1343-8832
- Text Language Code
- eng
- DOI
- 10.1186/s40623-016-0383-7
- Persistent ID (NDL)
- info:ndljp/pid/9963609
- Collection
- Collection (Materials For Handicapped People:1)
- Collection (particular)
- 国立国会図書館デジタルコレクション > 電子書籍・電子雑誌 > その他
- Acquisition Basis
- オンライン資料収集制度
- Date Accepted (W3CDTF)
- 2016-04-22T20:37:43+09:00
- Date Captured (W3CDTF)
- 2016-02-20
- Format (IMT)
- application/pdf
- Access Restrictions
- 国立国会図書館内限定公開
- Service for the Digitized Contents Transmission Service
- 図書館・個人送信対象外
- Availability of remote photoduplication service
- 可
- Periodical Title (URI)
- Periodical Title (Persistent ID (NDL))
- info:ndljp/pid/9963599
- Data Provider (Database)
- 国立国会図書館 : 国立国会図書館デジタルコレクション
- Collection (particular)
- 国立国会図書館デジタルコレクション > デジタル化資料 > 雑誌
- Access Restrictions
- 国立国会図書館内限定公開
- Service for the Digitized Contents Transmission Service
- 図書館・個人送信対象
- Availability of remote photoduplication service
- 可
- Holding library
- 国立国会図書館
- Call No.
- Z19-551
- Periodical Title (Persistent ID (NDL))
- info:ndljp/pid/1809147
- Data Provider (Database)
- 国立国会図書館 : 国立国会図書館雑誌記事索引
- Bibliographic ID (NDL)
- 9963609
- Bibliographic Record Category (NDL)
- 632
- Summary, etc.
- On 25 April 2015, a large earthquake of Mw 7.8 occurred along the Main Himalayan Thrust fault in central Nepal. It was caused by a collision of the Indian Plate beneath the Eurasian Plate. The epicenter was near the Gorkha region, 80 km northwest of Kathmandu, and the rupture propagated toward east from the epicentral region passing through the sediment-filled Kathmandu Valley. This event resulted in over 8000 fatalities, mostly in Kathmandu and the adjacent districts. We succeeded in observing strong ground motions at our four observation sites (one rock site and three sedimentary sites) in the Kathmandu Valley during this devastating earthquake. While the observed peak ground acceleration values were smaller than the predicted ones that were derived from the use of a ground motion prediction equation, the observed peak ground velocity values were slightly larger than the predicted ones. The ground velocities observed at the rock site (KTP) showed a simple velocity pulse, resulting in monotonic-step displacements associated with the permanent tectonic offset. The vertical ground velocities observed at the sedimentary sites had the same pulse motions that were observed at the rock site. In contrast, the horizontal ground velocities as well as accelerations observed at three sedimentary sites showed long duration with conspicuous long-period oscillations, due to the valley response. The horizontal valley response was characterized by large amplification (about 10) and prolonged oscillations. However, the predominant period and envelope shape of their oscillations differed from site to site, indicating a complicated basin structure. Finally, on the basis of the velocity response spectra, we show that the horizontal long-period oscillations on the sedimentary sites had enough destructive power to damage high-rise buildings with natural periods of 3 to 5 s.
- DOI
- 10.1186/s40623-016-0383-7
- Access Restrictions
- インターネット公開
- Rights (production)
- Creative Commons Attribution 4.0 International
- Related Material
- Additional file 4: of Strong ground motion in the Kathmandu Valley during the 2015 Gorkha, Nepal, earthquakeAdditional file 2: of Strong ground motion in the Kathmandu Valley during the 2015 Gorkha, Nepal, earthquakeAdditional file 1: of Strong ground motion in the Kathmandu Valley during the 2015 Gorkha, Nepal, earthquakeAdditional file 3: of Strong ground motion in the Kathmandu Valley during the 2015 Gorkha, Nepal, earthquake
- Related Material (URI)
- Is Referenced By
- Building damage survey and microtremor measurements for the source region of the 2015 Gorkha, Nepal, earthquakeExamination of shallow and deep S-wave velocity structures from microtremor array measurements and receiver function analysis at strong-motion stations in Kathmandu basin, NepalEstimation of 1-D velocity models beneath strong-motion observation sites in the Kathmandu Valley using strong-motion records from moderate-sized earthquakesAftershock activity of the 2015 Gorkha, Nepal, earthquake determined using the Kathmandu strong motion seismographic arrayEvaluation of Damage to a Historic Masonry Building in Nepal through Comparison of Dynamic Characteristics before and after the 2015 Gorkha EarthquakeGround motion prediction equation for the Kathmandu Valley, Nepal based on strong motion records during the 2015 Gorkha Nepal earthquake sequenceStrong‐Motion Characteristics and Visual Damage Assessment Around Seismic Stations in Kathmandu after the 2015 Gorkha, Nepal, EarthquakeSeismic assessment of two multi-tiered pagodas damaged by the 2015 Nepal earthquakeEstimation of Vs30 and site classification of Bhaktapur district, Nepal using microtremor array measurementSeismic Analysis of a Three-Tiered Pagoda Temple Affected by the 2015 Gorkha EarthquakeStrong ground motion data of the 2015 Gorkha Nepal earthquake sequence in the Kathmandu ValleyWidespread ground motion distribution caused by rupture directivity during the 2015 Gorkha, Nepal earthquakeネパール・パタン地区の歴史的組積造建物を対象としたゴルカ地震による固有振動数低下要因の検討Rayleigh波位相速度と群速度の同時逆解析による浅部～深部地盤のS波速度構造の推定Special issue "the 2015 Gorkha, Nepal, earthquake and Himalayan studies : First results"Joint inversion of teleseismic, geodetic, and near-field waveform datasets for rupture process of the 2015 Gorkha, Nepal, earthquake
- References
- Free software helps map and display dataNear-Field Across-Fault Seismic Ground MotionsBasement topography of the Kathmandu Basin using microtremor observationInitiatives for earthquake disaster risk management in the Kathmandu ValleyIntegrated seismic source model of the 2015 Gorkha, Nepal, earthquakeLower edge of locked Main Himalayan Thrust unzipped by the 2015 Gorkha earthquakeNGA‐West2 Equations for Predicting PGA, PGV, and 5% Damped PSA for Shallow Crustal EarthquakesGround motion characteristics of the Chi-Chi earthquake of 21 September 1999Strong Ground Motion from the Michoacan, Mexico, EarthquakeDetailed rupture imaging of the 25 April 2015 Nepal earthquake using teleseismic <i>P</i> wavesSource characteristics of the 1985 Michoacan, Mexico Earthquake at periods of 1 to 30 secondsRapid Characterization of the 2015<i>M</i><sub>w</sub> 7.8 Gorkha, Nepal, Earthquake Sequence and Its Seismotectonic ContextEffect of Baseline Corrections on Displacements and Response Spectra for Several Recordings of the 1999 Chi-Chi, Taiwan, EarthquakeQuantitative Classification of Near-Fault Ground Motions Using Wavelet AnalysisSource model of the 1995 Hyogo-Ken Nanbu earthquake and simulation of near-source ground motionGeology of the Nepal HimalayaEffects of Fling Step and Forward Directivity on Seismic Response of BuildingsRupture process of the<i>M<sub>w</sub></i> = 7.9 2015 Gorkha earthquake (Nepal): Insights into Himalayan megathrust segmentationA Theoretical Method for Computing Near-Fault Ground Motions in Layered Half-Spaces Considering Static Offset Due to Surface Faulting, with a Physical Interpretation of Fling Step and Rupture Directivity4. Near‐Source Ground Motion and its Effects on Flexible BuildingsSlip pulse and resonance of the Kathmandu basin during the 2015 Gorkha earthquake, Nepal59 Estimation of strong seismic ground motionsA Mathematical Representation of Near-Fault Ground MotionsOverview of the Large 25 April 2015 Gorkha, Nepal, Earthquake from Accelerometric PerspectivesSite-Specific Issues for Strong Ground Motions during the Kocaeli, Turkey, Earthquake of 17 August 1999, as Inferred from Array Observations of Microtremors and Aftershocksネパール・カトマンズ盆地の基盤地形断層タイプ及び地盤条件を考慮した最大加速度・最大速度の距離減衰式Detailed crustal deformation and fault rupture of the 2015 Gorkha earthquake, Nepal, revealed from ScanSAR-based interferograms of ALOS-2
- Data Provider (Database)
- 国立情報学研究所 : CiNii Research
- Original Data Provider (Database)
- 学術機関リポジトリデータベース雑誌記事索引データベースCrossrefCiNii Articles科学研究費助成事業データベース科学研究費助成事業データベースCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossref
- Bibliographic ID (NDL)
- 9963609
- NAID
- 120005693924