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Long-running Seismic Network Awarded $16.7 Million Extension | |
admin | |
2018-09-26 | |
发布年 | 2018 |
语种 | 英语 |
国家 | 美国 |
领域 | 资源环境 |
正文(英文) | ![]() The Project IDA network, part of a total of 150 seismic stations around the world administered by IRIS A seismographic network based at Scripps Institution of Oceanography at the University of California San Diego will continue to provide vital real-time data about earthquakes and other seismic events over the next five years thanks to a $16.7 million grant from the National Science Foundation. Project IDA (International Deployment of Accelerometers) is a 43-year-old network of stations spread across every continent on Earth that provides rapid detection and reporting of seismic waves. In the mid-1980s it joined with IRIS (Incorporated Research Institutions for Seismology), a consortium of U.S. universities, and the U.S. Geological Survey to collectively establish a network of 150 stations around the world. Project IDA, the U.S. Geological Survey and IRIS now operate these stations as the Global Seismographic Network (GSN). The award to Project IDA is part of an overall $93 million award to IRIS. The funding will maintain a network upon which entities like the U.S. Geological Survey and NOAA (the National Oceanographic and Atmospheric Administration) rely to provide instant estimates of earthquake location and magnitude anywhere in the world as well as their potential to kill people, damage property and generate destructive tsunamis. “Over the past 34 years, IRIS has established an outstanding reputation for management of large, multi-user facilities for research and education in seismology,” said IRIS President Robert Detrick. “We are very excited to be able to continue to provide state-of-the-art seismological facilities to the IRIS community for another five years.” Project IDA principal investigator Jon Berger, a seismologist at the Cecil H. and Ida M. Green Institute of Geophysics and Planetary Physics at Scripps, said the network was supported by private funding by the Green Foundation in its early years but has since gone on to become an indispensable global resource with federal help. “It provides seismic data to all international researchers who are working on earthquakes and other phenomena associated with seismic activity,” Berger said. The network continues to improve, reaching remote areas of the planet to increase the resolution of seismic events, including nuclear tests with the potential to violate the Comprehensive Nuclear-Test-Ban Treaty. For instance, Project IDA sensors were among several that provided the data used to determine that a September 2017 event in North Korea was an explosion rather than an earthquake using parameters such as its distance from the earth’s surface and the profile of seismic waves it produced. Scripps seismologist Peter Davis, Executive Director and co-principal investigator of the project, is overseeing construction of a new station in Uzbekistan and a station that was recently added on the Kwajalein atoll in the Marshall Islands. Davis said that among the benefits of the GSN is a capability for emergency response agencies to issue early warnings that seismic events have occurred to assess their potential to generate tsunamis. In certain cases, GSN data provide the only means responders might have to assess earthquake damage in remote areas where conventional communications networks have been damaged by the event. “It allowed responders in Nepal to get to the worst areas even before communications were reestablished,” said Davis in reference to a 2015 earthquake in which nearly 9,000 people were killed.
This material is based upon work supported by the National Science Foundation under Cooperative Agreement Nos. EAR-1724509 & EAR-1851048. Any opinions, findings and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.
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About Scripps OceanographyScripps Institution of Oceanography at the University of California San Diego, is one of the oldest, largest, and most important centers for global science research and education in the world. Now in its second century of discovery, the scientific scope of the institution has grown to include biological, physical, chemical, geological, geophysical, and atmospheric studies of the earth as a system. Hundreds of research programs covering a wide range of scientific areas are under way today on every continent and in every ocean. The institution has a staff of more than 1,400 and annual expenditures of approximately $195 million from federal, state, and private sources. Scripps operates oceanographic research vessels recognized worldwide for their outstanding capabilities. Equipped with innovative instruments for ocean exploration, these ships constitute mobile laboratories and observatories that serve students and researchers from institutions throughout the world. Birch Aquarium at Scripps serves as the interpretive center of the institution and showcases Scripps research and a diverse array of marine life through exhibits and programming for more than 430,000 visitors each year. Learn more at scripps.ucsd.edu and follow us at Facebook, Twitter, and Instagram.About UC San DiegoAt the University of California San Diego, we constantly push boundaries and challenge expectations. Established in 1960, UC San Diego has been shaped by exceptional scholars who aren’t afraid to take risks and redefine conventional wisdom. Today, as one of the top 15 research universities in the world, we are driving innovation and change to advance society, propel economic growth, and make our world a better place. Learn more at www.ucsd.edu.
This story appears in explorations now, Scripps Institution of Oceanography's award-winning ocean and earth science magazine. Sign up to receive our free monthly story roundup.
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来源平台 | Scripps Institution of Oceanography |
文献类型 | 新闻 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/107666 |
专题 | 资源环境科学 |
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