Requesting data from IRIS

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Posted: 2013-05-06 10:20am PDT by IRIS DMC Webmaster

IRIS provides a common service API for many types of data access: Web Services Java Library MATLAB Library

How to get data from the IRIS archive

IRIS Data Request Tools

How to request Event and Phase Data

Check on archived data availability using SeismiQuery

Check on real-time data holdings using BUD

Data available from IRIS

Types of data available from IRIS

IRIS data sources for Waveforms
and Event Catalogs

New Data at IRIS

Data products are available in the SPUD system.

SeismoArchives: Seismogram Archives of Significant Earthquakes of the World

EarthScope Data

PASSCAL Experiments List
  download: pdf or xls

Request PASSCAL experiment data

Additional Seismological Data Centers

Active Source Data Centers:

High Rate GPS Data Centers:

Source Website Notes Contact
USGS Processing of all continuous GPS in continental U.S. Includes one day solutions updated daily and 5-min high rate solutions updated daily. 1Hz GPS is available for a subset of stations and updated daily Jessica Murray, USGS Menlo Park
UNAVCO Provides a guide for the layout of UNAVOC’s FTP data servers and provides links to direct FTP access to UNAVCO holdings of GPS/GNSS data. (Unknown)
Nevada Geodetic Laboratory Processing of international networks. One day solutions and 5-min high rate solutions are updated variably at time scales of daily, weekly, and monthly Bill Hammond, University of Nevada, Reno
Central Washington University 1/3 of the PANGA network processed in real-time. 1Hz GPS made available in real time Tim Melbourne, Central Washington University
SOPAC SOPAC provides the following services and products to the scientific community:
  • Precise near real-time and predicted GPS satellite orbits,
  • Precise polar motion and Earth rotation variations,
  • On-line GARNER data archive of continuously operating GPS tracking stations, for data collected since 1990,
  • Time series of daily three-dimensional positions for the global and California stations with respect to the International Terrestrial Reference Frame (ITRF),
  • Software for remote downloading of continuous GPS data,
  • Consultation on installation and operations of continuous GPS arrays.
Yehuda Bock, Scripps Institution of Oceanography
SCIGN Southern California Integrated GPS Network (SCIGN) Ken Hudnut, USGS Pasadena
GNS An interactive, multi-layered map displaying the locations of GeoNet’s continuous GPS network (cGPS), seismograph sites, strong-motion detection sites and tsunami gauge sites. (Unknown)

(GPS data sources last reviewed on June 10, 2015)

Monitoring data requests

How to check the status of a request

New requests that are waiting to be processed are logged in the Mail Queue. The requests at the top of the list will be the next to be processed by DMC staff. The Mail Queue is updated every ten minutes.

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  • View status of assembled

How to check on data problems

How to submit data to IRIS


How to acknowledge or cite data source

Data Distribution

Data Distribution Statistics


For data that is provided to IRIS from an established data center, the identity of those requesting data from the DMC will be provided to the relevant data center. This only includes data from established Data Centers such as ORFEUS GEOSCOPE or GEOFON.

Data Access Navigator

Go to Data Access page

Request Event Data Using Wilber3

Wilber3 allows you to select and download data from a catalog of events for which the DMC has timeseries data. Use Wilber3 ».

Real Time Data Access

              data access

Receiving Real Time Data from the IRIS BUD

IRIS Data Policy