Open AccessRationale for a Permanent Seismic Network in the U.S. Central Plains Utilizing USArray
Author(s) -
Gao Stephen S.,
Niemi Tina M.,
Black Ross A.,
Liu Kelly H.,
Anderson Raymond R.,
Joeckel Robert M.,
Busby Robert W.,
Taber John
Publication year - 2008
Publication title -
eos, transactions american geophysical union
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.316
H-Index - 86
eISSN - 2324-9250
pISSN - 0096-3941
DOI - 10.1029/2008eo090009
Subject(s) - seismic zone , geology , seismology , outreach , induced seismicity , political science , law
The eastern two thirds of the coterminous United States (from the Rocky Mountain Front to the east coast) are sparsely equipped with seismic monitoring instruments, with the number of permanent broadband seismic stations per unit area of the order of 5–10% of that in the western U.S. orogenic zone. In this Forum, we use the Central Plains area (CP)—defined here as the four‐state area including Nebraska, Kansas, Iowa, and Missouri—as an example to argue that a greatly densified permanent seismic network in the stable part of the United States could significantly improve our understanding of the processes that led to the formation and four‐dimensional structure of the continental lithosphere. The network would also serve as an excellent facility for long‐term earthquake monitoring and for public education and outreach. This issue is timely because a state‐of‐the‐art, uniform network could be established by simply converting a small portion of the portable stations in the ongoing USArray project into permanent ones without affecting the overall progress of the USArray.