This variability reduces the accuracy with which an earthquake-specific predic-tion of site response can be predicted.
Newest First. After the Chi-Chi earthquake, maximum hourly rainfall intensity and critical accumulated precipitation necessary to initiate debris flow reduced to as low as 1/3 of the pre-earthquake figures. Sort. USGS Magnitude 2.5+ Earthquakes, Past Day 41 earthquakes. If the application does not load, try our legacy Latest Earthquakes application.
By continuing you agree to the.Copyright © 2020 Elsevier B.V. or its licensors or contributors.ScienceDirect ® is a registered trademark of Elsevier B.V.Impact of Chi-Chi earthquake on the occurrence of landslides and debris flows: example from the Chenyulan River watershed, Nantou, Taiwan.Copyright © 2003 Elsevier Science B.V. All rights reserved.https://doi.org/10.1016/S0013-7952(03)00125-X.
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Location of Repository The Setback Distance Concept and 1999 Chi-Chi (Taiwan) Earthquake . (SOUTH EL MONTE, Calif.) — A magnitude 4.6 earthquake struck Southern California late Friday night, according to the U.S. Geological Survey. This large inland thrust earthquake produced a surface break more than 80 km long along the Chelungpu fault. Format. Prior to the Chi-Chi earthquake, most debris flows occurred in gullies with slopes greater than 10°, and in drainage basins larger than 0.1 km,We use cookies to help provide and enhance our service and tailor content and ads. This study shows that in addition to inducing co-seismic landslides, the Chi-Chi earthquake shifted the locations where rainfall-induced landslides might occur, from mid-hill (before the earthquake) to hilltops (after the quake). 92 0 obj
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A fault-plane solution using first P motions data and the refined hypocenter was obtained. This video is unavailable. The Chenyulan River watershed in central Taiwan was chosen for evaluating the impact of the Chi-Chi earthquake on the occurrence of landslides, and for exploring the initial conditions triggering debris flows. The Chi-Chi earthquake occurred very near the location of the Nantou earthquake sequence in 1916-1917. Watch Queue Queue The earthquake hit … 83 km NNE of Tocopilla, Chile. This observational study also demonstrates that ground motions have large earthquake-location-dependent variability for a specific site. Magnitude. Precipitation data were then utilized to investigate critical conditions leading to the debris flow.Comparison of five SPOT images taken between June 1996 (before the July 1996 Typhoon Herb) and September 1999 (before the Chi-Chi earthquake) shows that the landslide area increased from 7.1×10,Significant differences before and after the earthquake are also noticed in (1) the intensity and amount of precipitation required for triggering debris flow, (2) the size of contributing drainage basin in which debris flows occurred, and (3) the frequency of debris flows. Interpretations of aerial photographs and SPOT images as well as field investigations were used to identify landslide and debris flow occurrences. 6.3. Online Material: PGAs and PSAs from the 1999 Chi-Chi earthquake and five aftershocks Year: 2016. CHi Chi Earthquakes. The October, 1999 Chi-Chi earthquake in Taiwan, while devastating in the damage to property and life, has become a prototype for faults and earthquake study in Taiwan. Only List Earthquakes Shown on Map . CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): Chi, Taiwan, earthquake (M w 7.6) using an integrated dataset of near-field strong ground motion and Global Positioning System observations. The nodal plane consistent with the regional tectonics and the surface ruptures.
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