DB/T 4-2025Coding rules for earthquake monitoring station (English PDF)
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Issued by
China Earthquake Administration
Level / Type
National · Recommended
Issue date
November 27, 2025
Implementation date
June 1, 2026
Scope
DB/T 4-2025 (Coding rules for earthquake monitoring station) is available as an English-translated PDF.
DB/T 4-2025 — This document establishes the coding principles and methods for earthquake monitoring stations, as well as the requirements for using earthquake monitoring station codes.
This document applies to the coding of earthquake monitoring stations constructed by the earthquake industry, as well as the coding of earthquake monitoring stations constructed by local governments and enterprises in other industries. Compiled for reference and use.
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Document preview — DB/T 4-2025
National Standard of the People's Republic of China
- ICS
- 91.120.25
- Classification
- P 15
- Replacing
- DB/T 4-2003
Issued by: China Earthquake Administration
Contents
- Document data1
Document data
International classification (ICS): 91.120.25.
Chinese classification (CCS): P15.
Supersedes the earlier edition DB/T 4-2003.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.
Referenced standards
Normative references
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