Long-Term Monitoring of Seismicity at the Mid-Atlantic Ridge using Autonomous Underwater Hydrophones

使用自主水下水听器长期监测大西洋中脊的地震活动

• 批准号: 9812237
• 负责人: Maya Tolstoy
• 金额: $ 17.99万
• 依托单位: Columbia University
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 1998
• 资助国家: 美国
• 起止时间: 1998-11-15 至 2003-10-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9812237&HistoricalAwards=false
• 关键词: Long; Term; Monitoring; Seismicity; Mid

This project will initiate long-term monitoring of the Mid-Atlantic Ridge to characterize the seismicity of this slow-spreading ridge over a wide range of event sizes. The goal is to obtain a first-order understanding of the spatial and temporal patterns in overall seismicity, and the partitioning between magmatic and tectonic events, with the long-term goal of incorporating this information into a model for spreading at the Mid-Atlantic Ridge. Six autonomous underwater hydrophones will be moored within the SOFAR sound channel between 15 degrees and 35 degrees north on the flanks of the Mid-Atlantic Ridge. The array will be deployed for two years.

该项目将启动对大西洋中脊的长期监测，以表征该缓慢传播的中脊在各种事件规模下的地震活动性。 目标是获得对总体地震活动的空间和时间模式以及岩浆和构造事件之间的划分的一级了解，长期目标是将这些信息纳入大西洋中脊的传播模型中。 六个自主水下听音器将停泊在大西洋中脊两侧北纬 15 度至 35 度之间的 SOFAR 声通道内。 该阵列将部署两年。