Detection of clock errors in seismic records and estimation of time shifts for a seismic network
https://doi.org/10.18303/2619-1563-2022-1-134
Abstract
In the records of autonomous seismological observations occurrence of quartz watch clock drift often leads to incorrect time records. This paper presents a method for detecting such errors in a seismic station network based on the analysis of ambient seismic noise cross-correlation functions using Monte-Carlo Markov chain (MCMC) approach without using a reference signal. The proposed method was tested on the seismic data of a temporary seismic network installed on Paramushir Island in 2021-2022 for which time shifts were successfully estimated and corrections to the cross-correlation functions were made.
About the Authors
N. N. Belovezhets
http://www.ipgg.sbras.ru/ru/institute/staff/belovezhetsnn
Trofimuk Institute of Petroleum Geology and Geophysics SB RAS Novosibirsk State University
Russian Federation
Trofimuk Institute of Petroleum Geology and Geophysics SB RAS Novosibirsk State University
Russian Federation
Koptyug Ave., 3, Novosibirsk, 630090
Y. M. Berezhnev
http://www.ipgg.sbras.ru/ru/institute/staff/berezhnevym
Trofimuk Institute of Petroleum Geology and Geophysics SB RAS Novosibirsk State University
Russian Federation
Trofimuk Institute of Petroleum Geology and Geophysics SB RAS Novosibirsk State University
Russian Federation
Koptyug Ave., 3, Novosibirsk, 630090
A. V. Jakovlev
http://www.ipgg.sbras.ru/ru/institute/staff/jakovlevav
Trofimuk Institute of Petroleum Geology and Geophysics SB RAS
Russian Federation
Trofimuk Institute of Petroleum Geology and Geophysics SB RAS
Russian Federation
Koptyug Ave., 3, Novosibirsk, 630090
S. S. Abramenkov
http://www.ipgg.sbras.ru/ru/institute/staff/abramenkovss
Trofimuk Institute of Petroleum Geology and Geophysics SB RAS Novosibirsk State University
Russian Federation
Trofimuk Institute of Petroleum Geology and Geophysics SB RAS Novosibirsk State University
Russian Federation
Koptyug Ave., 3, Novosibirsk, 630090
I. F. Abkadyrov
http://www.ipgg.sbras.ru/ru/institute/staff/abkadyrovif
Trofimuk Institute of Petroleum Geology and Geophysics SB RAS Institute of Volcanology and Seismology FB RAS
Russian Federation
Trofimuk Institute of Petroleum Geology and Geophysics SB RAS Institute of Volcanology and Seismology FB RAS
Russian Federation
Koptyug Ave., 3, Novosibirsk, 630090
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Review
For citations:
Belovezhets N.N., Berezhnev Y.M., Jakovlev A.V., Abramenkov S.S., Abkadyrov I.F. Detection of clock errors in seismic records and estimation of time shifts for a seismic network. Russian Journal of Geophysical Technologies. 2022;(1):134-142. (In Russ.) https://doi.org/10.18303/2619-1563-2022-1-134
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