Convergent Margin Plate Kinematics and Mechanics: 1998-2000GPS Geodesy in the North Andes

凯洛格中南美地区的9725693个关键全球定位系统站点将被重新占用，以分析正在进行的收敛边缘变形。该项目的三个主要目标是：1)监测厄瓜多尔海沟预测的大俯冲带逆冲地震之前的应变积累。建议的测量和三维弹性半空间模型将绘制弹性应变锁定速率图，并将这些与1906年、1942年、1958年和1979年地震的破裂带联系起来，测试俯冲带地震的力学模型。2)重新测量哥伦比亚北部的网络，以研究活动的弧陆碰撞带的运动学和力学。3)重新利用南加勒比海变形带中的遗址，研究增生棱镜中的变形，以确定当前加勒比-南美洲板块边界的位置。这项研究是由一大批国际机构共同资助的。***

9725693 Kellogg Key Central and South American (CASA) GPS stations will be reoccupied to analyze on-going convergent margin deformation. The three major goals of this project are: 1) To monitor the strain accumulation preceding the predicted large subduction zone thrust earthquake in the Ecuador trench. The proposed measurements together with 3-dimensional elastic half space models will map the rates of elastic strain locking and relate these to the rupture zones for the 1906, 1942, 1958, and 1979 earthquakes, testing models for the mechanics of subduction zone earthquakes. 2) Resurvey the network in northern Colombia to study the kinematics and mechanics of an active arc - continent collision zone. 3) Reoccupy sites in the South Caribbean deformed belt to study deformation in an accretionary prism to determine the location of the current Caribbean-South American plate boundary. This study is jointly funded by a large group of international agencies. ***