IRIS Data Services (DS) has very specific charges and consists of several components or “nodes”. These nodes work together to insure the smooth flow of GSN and PASSCAL data from the stations to the seismological research community.

The Space team has made the following datasets and collections publicly available. You must be a logged-in member of the Space to access all the datasets and collections.


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Maps, record sections & other plots for M6.0+ events

The IRIS DMC's Event Plot product is a suite of plots that are automatically generated following all earthquakes of magnitude 6 or greater. The plot suite uses all open broadband data, or a sub-selection, available at the IRIS DMC at the time the product was generated. Based on data availability and signal quality, some plots may not be produced for certain events.

IRIS Earth Model Collaboration

A repository of Earth models with the aim of providing the research community with access to various Earth models, visualization tools for model preview, facilities to extract model data/metadata and access to the contributed processing software and scripts.

On demand custom 3D AxiSEM synthetic seismograms

The *Synthetics Engine* (Syngine) service provides access to custom tailored synthetic seismograms.

Global stacks of millions of seismograms

Global stacks of up to a million event-windowed seismograms using short-term to long-term averages (STA/LTA) in different frequency bands for vertical broadband data (1990-2012) available from the IRIS DMC. Long period versions include vertical and horizontal component data.

Event Bulletins

The DMC receives and archives phase arrivals from the Array Network Facility ("ANF": These event bulletins are accessible via DMC’s Searchable Product Depository ("SPUD":/spud/eventbulletin).

Calibration products

Retrieve station calibrations in SEED format .

Centroid Moment Tensors

Global Centroid-Moment-Tensors from the GCMT project at Lamont-Doherty Earth Observatory are available through SPUD within minutes after their publication. Initial quick-CMT solutions are shown and are later updated to GCMT solutions when updates arrive.

EarthScope Automated Receiver Survey

The EarthScope Automated Receiver Survey (EARS) calculates bulk crustal properties of IRIS stations using receiver functions. Originally developed at the University of South Carolina, EARS continuously monitors for new events and stations updating the database when new candidate data are found.

1D & 3D synthetic seismograms from the Global ShakeMovie project

Download synthetics from ShakeMovie website
The "*Global ShakeMovie website*": at Princeton provides bundles of all calculated synthetics in SAC format for reach event as tar files.
Search for synthetics at IRIS
Events for which synthetics are available in the DMC archive are "*listed in SPUD.*":/spud/synthetic


There are no collections associated with this Space.

The following datasets have been published through this Space and any affiliated Spaces.

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