IRIS Knowledge Base

Software for accessing real-time data

Q: I'm working on a project in where we want to display seismic data in real-time. We are interested in two stations to begin with 223.TA and 324.TA eventually we will have more stations. I would like to know if this data can be display in real-time with the software you have in your web site.

Do you have any software that call display seismic data in real-time?


Receiving Real Time Data from the IRIS BUD

SeedLink service - A TCP/IP based protocol designed to robustly deliver real-time, continuous data over the Internet. The robust nature of the protocol allows clients to disconnect and reconnect without losing data (reconnection must happen within a reasonable amount of time, i.e. a couple of hours). The requested data streams may be limited to specific stations, locations and/or channels. Very little data latency (seconds) is introduced relative to the real-time data streams coming in to the DMC, all latency variations are due to the DMC's upstream source. SeedLink is developed by GEOFON. For more details see the DMC SeedLink overview.

SeisGram2K - One more tool that we use internally for monitoring SeedLink is Anthony Lomax's SeisGram2K utility, which can attach to a SeedLink feed.


Real Time data transfer is supplied by several DHI clients, but one particularly easy to use clients is VASE.

VASE is a Java-based client application designed for viewing and extracting seismic waveforms from the DHI waveform repositories. VASE manual

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