定位子台网的选取对定位结果影响研究

EARTHQUAKE ›› 2006, Vol. 26 ›› Issue (4): 37-44.

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Study on the influence of subarray selection on the locating result

ZHAO Ying-ping, GAO Jing-chun, LIU Li, MAO Guo-liang, CHANG Liang, JI Ai-dong, WANG Shu-xing, ZHAO Ming-chun

1. Earthquake Administration of Hebei Province, Shijiazhuang 050021, China;
2. Earthquake Administr- ation of Shandong Province, Jinan 250014, China;
3. Seismic Station of Wenan, Wenan 065800, Hebei Province, China

Received:2006-03-20 Revised:2006-06-06 Published:2021-11-01

Abstract

Abstract: Selecting 58 earthquakes occurred in Hebei Province and adjacent regions, rules of subarray selection are studied based on analyzing the influence of station distributions on the accuracy of locating result. The locating deviation, horizontal error, fitting residual with clearance angle, variation with near station and far station, and relation of locating deviation with horizontal error and fitting residual were discussed separately. The results show that it is suitable to select 7 to 9 stations for earthquake locating in rapid report. It is relatively suitable to evaluate the quality of the locating result with horizontal error.

Key words: Locating subarray, Station distribution, Locating deviation, Horizontal error, Fitting residual

CLC Number:

P315.61

ZHAO Ying-ping, GAO Jing-chun, LIU Li, MAO Guo-liang, CHANG Liang, JI Ai-dong, WANG Shu-xing, ZHAO Ming-chun. Study on the influence of subarray selection on the locating result[J]. EARTHQUAKE, 2006, 26(4): 37-44.

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Study on the influence of subarray selection on the locating result

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