Network Outage


Starting around 2017-02-17 16:20 UTC (11:20 EDT / 8:20 PDT) IRIS Data Services experienced a network outage. We are still looking into the cause of the outage and hope to be back online as soon as possible. We apologize for the inconvenience to your workflow.

Usage guidelines for IRIS DMC services

Guidelines for using web services

Web services hosted at the IRIS DMC ( should be used with following limitations:

  • Users should limit usage to no more than 3 concurrent connections to any combination of web services.
  • Users should limit their clients to no more than 10 connections per second regardless of the return capability of the service interfaces.

The DMC’s network equipment will deny connections (via a TCP RESET) when the limits have been exceeded.

Guidelines for using the real time SeedLink streaming service

Users of the DMC’s SeedLink streaming service should not sustain more than 5 concurrent connections.