Phenomenology Research Using Past Nevada Test Site Explosion and Earthquake Data.

Mayeda, K. M. ; Pasyanos, M. E. ; O'Boyle, J. ; Myers, S. C. ; Walter, W. R.

Technical Information Center Oak Ridge Tennessee

关键词: Regional waveform data;    Seismic detection;    Recorded amplitude;    Explosion yield;    Underground explosions;   

RP-ID  :  DE200515013168

学科分类：工程和技术（综合）

美国|英语

来源: National Technical Reports Library

【 摘 要 】

We use regional waveform data from the Nevada Test Site (NTS)to investigate phenomenological relationships between recorded amplitude and explosion yield as well as test regional depth estimation procedures. Our goal is to better understand the performance of seismic observables in other regions of monitoring interest, especially at small magnitudes (mb<<4.5). Some of the topics we are studying include: stable yield estimation, depth estimation, and M(sub s):m(sub b) performance. We use Lawrence Livermore National Laboratory's NTS explosion database, which consists of several hundred events ranging from -200- to -1500-m depth and yields ranging from a few tenths of a kiloton to the megaton range. In addition to the broadband explosion data, we have a large dataset of well-located earthquakes on the test site with depths ranging from 2 to 17 km and magnitudes ranging between Mwl.5 and 5.7.