Exploring SEISAN 7.2: A Landmark in Earthquake Analysis Software
The SEISAN Earthquake Analysis Software is a foundational tool in seismology, designed to streamline the processing, analysis, and interpretation of seismic data. Version 7.2, as documented in the archived GEA SEISAN 7.2 Manual, represents a mature stage in the software’s development, offering a comprehensive suite for both routine monitoring and academic research.
This article highlights the core features and significance of the SEISAN package, focusing on its ability to handle data across various operating systems, including Windows, Solaris, and Linux. Key Features of SEISAN 7.2
SEISAN is built on a modular, open-architecture philosophy, allowing for seamless integration of new tools. Key components include:
Seismic Data Processing: Ability to process digital seismic data, including waveform analysis and event identification.
Response File Generation: The software enables the creation of response files for Seisan or GSE2 formats, allowing technicians to calculate and verify the response functions of standard seismic instruments.
Database Management: Specialized tools for organizing large volumes of seismic data, facilitating quick access and analysis of historic and real-time events.
Magnitude and Location Analysis: Integrated tools for calculating hypocenter locations and magnitudes, including advanced visualization of data relationships. A Practical Tool for Seismic Instrumentation
A critical aspect of SEISAN 7.2 is its utility for field engineers. It enables the evaluation of velocity transducers and the maintenance of seismic instrumentation, ensuring that the collected data accurately represents ground motion. Legacy and Continued Development
While SEISAN 7.2 was a vital version, the software has continued to evolve significantly. Modern versions (such as 12.0) continue to be developed by experts like Lars Ottemöller, Peter H. Voss, and Jens Havskov. Despite this, the functionalities documented in the 7.2 manual laid the foundation for the software’s reputation as a standard in global seismic monitoring.
For those interested in exploring the foundational tools of seismology, the archived manual provides valuable insights into the architecture and capabilities of SEISAN 7.2.
If you need to cite the modern SEISAN software, it is recommended to use: Ottemöller, L., Voss, P.H. and Havskov J. (2021). SEISAN Earthquake Analysis Software for Windows, Solaris, Linux and Macosx, Version 12.0. SEISAN: THE EARTHQUAKE ANALYSIS SOFTWARE