The IRIS Earth Model Collaboration (EMC) Horizontal Slice Viewer.

Data Visualizations

The USArray Ground Motion Visualization (GMV)

Latest Major Earthquake Information

Magnitude 7.0 - El Salvador

Key Announcements

Update from IRIS President Bob Detrick - Fall 2016
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IRIS Announces 2016 Slate of Candidates for Board of Directors
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IRIS Issues Strategic Plan
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Donate to the David Simpson Fund for Innovation
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Data from Community Wavefield Demonstration Experiment Now Available
IRIS is pleased to announce that the data collected during the Community Wavefields Demonstration Experiment are now fully archived and available at the IRIS Data Management Center.
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Visit the IRIS Special Event Page for More Information about the M7.8 New Zealand Earthquake
Direct links to and images of data and materials available from IRIS programs and preliminary research results from the seismology community are provided. The page is updated when new information is contributed.
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Report on the 2016 IRIS Workshop is Now Available
Whether you were able to participate in person or not, download a summary of the 2016 IRIS Workshop prepared by the Science Planning Committee and the leaders of the plenary sessions and the Special Interest Groups.
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IRIS Staff Answers Questions on AskScience’s “Ask Me Anything”
IRIS staff members Wendy Bohon and Danielle Sumy responded to dozens of interesting questions about earthquakes and seismology during a "Ask Me Anything" session on Reddit's AskScience.
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IRIS to Conduct Wavefields Demonstration Community Experiment
This community experiment will take place in northern Oklahoma this summer and will make use of cutting-edge three-component nodal-type sensors.
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New Video on the Himalaya and the 2015 Nepal Earthquake
IRIS has created a short video that discusses the evolution of the Himalaya and the Nepal earthquake that occurred on April 25, 2015.
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Remembering Adam Dziewonski
IRIS and the seismological community mourn the loss of geophysicist Adam Dziewonski who passed away on March 1 at age 79.
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View Past IRIS News

Recent Major EarthquakesRSS

November 24, 2016
El Salvador - 7.0

November 13, 2016
New Zealand - 7.8

September 1, 2016
Off Coast of New Zealand - 7.1

August 29, 2016
North of Ascension Island - 7.1

August 24, 2016
Italy - 6.2

Full Lists of Recent Earthquakes USGS

PASSCAL/Flex Array Experiments RSS

Map of PASSCAL Experiments
Current and future experiments.

EarthScope / USArray Status

USArray Map
Earthscope Click the map above for a more detailed view.

USArray Homepage