IRIS SeisCode

One-stop shopping for the seismological community; click here to access tutorials and learn more about SeisCode.

Summary: An IRIS program to acquire seismometer data ...

The source code for AmaSeis, a program to retrieve data from the AS-1 and other seismometers. The code is written in C/C++ using Borland Object Windows Library (OWL) circa 1997.

Convert simple ASCII data to miniSEED format.

Summary: Plotting Nodal Lines for P, Sh, and Sv ...

CWPAR is a Matlab tool to pick up the clipped seismic waveform and then restore the waveform using POCS method.

dataselect is now hosted on GitHub: ...

Summary: Display Seismograms from BUD and POND Seismogram Servers ...

Earthworm is the most widely used seismic data acquisition and automatic earthquake processing software for regional seismic networks. Operates on Linux, Solaris, Mac OS X, and Windows.

EMERALD is a complete open-source software server-based system for processing large sets of event based seismic data.

Electromagnetic Transfer Functions File Conversion Utilities (EMTF FCU), (C) 2007-2018 Anna Kelbert, is a set of routines written in Fortran 90 that is intended to allow conversion between the commonly used electromagnetic transfer function file formats: ...

Summary: An IRIS interactive program to locate earthquakes using P-wave arrivals ...

A tool to convert seismological metadata between Dataless SEED and FDSN StationXML file formats.

The Web Service Shell (WSS) is a web service that can be configured via simple properties files to utilize external resources (either command line programs or Java classes) to fulfill the web service requests.

A general purpose, broad-band, phase detector and picker which is applicable to real-time seismic monitoring and earthquake early-warning.

Summary: Package for determining and displaying earthquake focal mechanisms.

FuncLab comprises a set of tools built within the MATLAB environment to analyze receiver functions (Eagar and Fouch, 2012; Porritt and Miller 2017). In this second release of FuncLab, tools are available for P-to-S receiver function analysis.

View real-time seismic streams directly in the browser on any device, including mobiles. No other software required for the client side.

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Convert GSE 2.x and IMS 1.0 time series data to miniSEED.

Summary: Software for constructing iaspei91 and ak135 travel time tables ...

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This project is now hosted under GitHub https://github.com/iris-edu/noise-toolkit ...

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Java library for handling Windows ini file format. Additionally, the library includes Java Preferences API implementation based on the .ini file.

Here is a list of software developed and maintained at the IRIS DMC, along with links to where more information can be found about each.

Parent project for all unsupported software that is hosted at the IRIS Data Management Center ...

jAmaSeis facilitates the study of seismological concepts in middle school through introductory undergraduate classrooms. jAmaSeis allows users to obtain data in real-time from either a local instrument or from remote stations.

Summary: System for doing digital signal seismic processing ...

The Java version of the DataLink client library ...

JRG is a basic seismic reflection and image processing package with portable graphics, instant record animation, 3-d and crooked-line capabilities, SEG-Y and sound file I/O, and a convenient GUI that runs on any machine.

Seismic Artificial Intelligence.

ModelAssembler is an open-source, Java-based velocity-model gridding code that can integrate scattered and heterogeneous geophysical data sets.

Mac Java Utility methods ...

Convert MARS 88/lite time series data to miniSEED ...

The miniSEED inspector parses and reports details from SEED formatted data records ...

Convert miniSEED data to simple ASCII format.

A general purpose tool for modifying miniSEED records.

Probabilistic, Non-Linear, Global-Search Earthquake Location in 3D Media.

Nominal Response Library - RESP data for sensors and dataloggers.

obspyDMT (obspy Data Management Tool) is a command line tool for retrieving, processing and management of seismological datasets in a fully automatic way.

Summary: A Basic Collection of FIR and IIR Digital Filters ...

PH5 is the IRIS PASSCAL Instrument Center recommended archival format for active, passive, and mixed source seismological data sets.

A practical seismological database library in Python.

Summary: System for doing digital signal seismic processing ...

POD is used for building full SEED.

PQLX (PASSCAL Quick Look eXtended) is open-source software for evaluating seismic station performance and data quality.

Summary: Implements raytracing in an isotropic medium described by a set of velocity nodes, with the nodes being organized into adjoining tetrahedra.

Summary: An update to the recfunk_ascii code, this version has been adapted to the Mac OS X and G77 compiler.

Summary: Transforms a collection of 3-component SAC-format seismograms into ASCII tables of 2-component receiver functions (radial and transverse).

Summary: Calculation of instrument responses at IRIS/IDA stations ...

Summary: Computes a receiver-function for a stack of anisotropic layers over an isotropic halfspace, via a reflectivity algorithm, assuming a plane wave incident from below ...

This is a fork of the RXTX library with bug fixes.

sac2midi sonifies SAC files into a MIDI file for musical display ...

Convert SAC time series data to miniSEED format.

sac2wav converts SAC files into a WAV file for audio playback.

A simple program written in C to dump (print) the contents of SAC files ...

SeedCodec is a collection of compression and decompression routines for standard seismic data formats in Java.

Convert SEISAN time series data to miniSEED format ...

SeisFile is a library for reading and writing seismic file formats in java.

SeisGram2K is an easy-to-use, platform-independent, Java software package for interactive visualization and analysis of earthquake seismograms. SeisGram2K runs and reads data files locally and over the Internet.

Seismic Analysis Code (SAC) is a general purpose waveform analysis and processing application.

Seismic/Eruption runs in a PC Windows environment. It displays maps of many portions of the world and displays earthquakes and volcanic eruptions in speeded-up time. You can generate your own maps interactively.

Seismic Waves runs under MS-Windows on PCs. It illustrates how earthquake waves propagate through the earth. The user can select from one of several earthquakes distributed with the program. New events can be easily added.

The Seismicity Viewer is a Java program for interactive viewing of earthquake locations in a 3D space.

IRIS's Seismographs in Schools Program serves teachers across the country and around the world using seismic instruments or real-time seismic data in K-16 classrooms.

Software and texts for seismometer design, calibration, and testing. The website also offers some texts in theoretical seismology.

Javascript modules for parsing, manipulating and plotting seismic data, including access to FDSN web services.

SeisTomoPy: Fast visualization, comparison and calculations in global tomographic models ...

Command line tools based on IRIS web services ...

SOD is a program that automates tedious data selection, downloading, and routine processing tasks in seismology. It allows you to define your desired data based on earthquakes, recording stations, and the resulting combination of information.

Development of a synthetic seismogram service based on...

The TauP Toolkit is a seismic travel time calculator. In addition to travel times, it can calculate derivative information such as ray paths through the earth, pierce and turning points.

displays really neat stuff ...

This is a subproject meant to allow visibility to MUSTANG developments.

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This program has moved to GitHub: ...

Command line scripts for accessing data via web services (e.g.

This is a compilation of inverse and parameter estimation code that accompanies the second edition of the textbook "Parameter Estimation and Inverse Problems", by R. Aster, B. Borchers, and C. Thurber.

FuncLab comprises a set of tools built within the MATLAB environment to analyze receiver functions (Eagar and Fouch, 2012). In this first release of FuncLab, tools are available for P-to-S receiver function analysis.

Multiple interactive codes to view and analyze seismic data, via spectrum analysis, wavelet transforms, particle motion, hodograms. Includes general time-series tools, plotting, filtering, interactive display.

The Seismic Handler software package is a seismic waveform analysis tool. There is an interactive part (Motif version) for observatory purposes (e.g. daily routine analysis) and a command line version for scientific research.

SeismicCanvas: a cross-platform, graphically interactive application for accessing, viewing and analyzing waveform data ...

ObsPy - a Python framework for seismological observatories.

AIMBAT (Automated and Interactive Measurement of Body-wave Arrival Times) is an open-source software package for efficiently measuring teleseismic body wave arrival times for large seismic arrays (Lou et al., 2013).

ANISOtime is a utility package for computing travel times of seismic waves in a laterally homogeneous, transversely isotropic (TI), spherically symmetric medium.

Automated Tilt and Compliance Removal for ocean bottom seismometers ...

Desktop Java Utility methods ...

Earth Grid is a seismic activity plotting program. The code analysis data inputs and monitors any anomalies in seismic activity. The built-in warning mechanism makes it possible to initialize evacuation procedures before-hand.

Command line tools to compute power spectral densities, coherence, pole-zero responses, and probability density functions such as PQLX or IRIS Quack.

The NanoseismicSuite consists of different Java modules for waveform data processing, event detection and event localization. It is specialized for large continuous seismological datasets with many stations and low-SNR events.

OBSrange is a robust, efficient, open-source OBS location code available in both MATLAB and Python. ...

Javascript port of the really nice OregonDSP package, translated from java to Kotlin and then transpiled to javascript.

PRESTo is a free and open source software platform for Earthquake Early Warning.

The latest distribution of Recfunk codes for computation of receiver functions and harmonic decomposition analysis.

RFeditor is a tool for quality control (data selection) for teleseismic receiver functions, working on waveform data stored in Antelope database tables. It was written in C++, heavily utilizing seismic data handling functions in SEISPP.

Datalink in pure python.

YASEIS: Yet Another code to calculate synthetic SEISmograms for multi-layered spherical isotropic Earth model.