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

Data Visualizations

The USArray Ground Motion Visualization (GMV)

Latest Major Earthquake Information

Magnitude 7.3 - Offshore El Salvador

Operations Notices

Notice Oct 28, 2014

Renaming of the IRIS DMC website
The IRIS DMC website is being re-routed to the subdomain http://ds.iris.edu this Thursday, October 30th, 2014. This will impact all DMC users, excluding Web Services. Read More

Key Announcements

Update from IRIS President Bob Detrick – September 2014
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Donate to the David Simpson Fund for Innovation
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Participate in the ENGAGE Workshop, January 18-20, 2015! Apply by November 7.
The ENGAGE Workshop - Encouraging Networks between Geoscience and Geoscience Education - will bring together early-career geoscience researchers and discipline-based education researchers to explore collaborative approaches that leverage advances in both geoscience disciplines and geoscience education.
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IRIS Board of Directors Appoints a Nominations Committee for 2014 Elections
All Member Representatives are encouraged to contact the Nominations Committee to provide suggestions for candidates for the open positions.
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IRIS Mourns the Passing of Renowned Geophysicist J. Freeman Gilbert
J. Freeman Gilbert, a pioneer in applying modern computational tools to seismic problems, was one of the founding Directors of IRIS and was elected to the first Executive Committee of the Board. He was a wonderful colleague who will be sorely missed.
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Science Magazine Highlights Passive Megasurveys
The potential of passive surveys using dense arrays of seismometers is reported in the 14 August 2014 issue.
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IRIS Data Services Sponsors 8th Data Management Workshop in Bogotá, Colombia
About 35 participants from 18 countries in Latin America and the Caribbean met July 26-31, for a six-day Data Services workshop in Bogotá, Colombia.
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Two Universities Join IRIS as Foreign Affiliate Members
IRIS is pleased to welcome two new Foreign Affiliates during May, the University of Oxford and the Tokyo Institute of Technology.
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View Past IRIS News

PASSCAL/Flex Array Experiments RSS

Mount St Helens aka iMUSH
A 70-element broadband array will be deployed for two years, in a 50-km-radius pattern surrounding the Mount St... Read more

Ocean gravity waves are dynamic, changeable elements of the global ocean environment, affected by ocean warming and changes in ocean and atmospheric circulation patterns... Read more

2014 NAPA
August 24 2014 West Napa Earthquake Aftershock Deployment Read more

POLENET2 mini array
We propose to continue and expand GPS and seismic studies in the ANET-POLENET Phae 2 project in order to advance understanding of geodynamic processes and their influence on the West Antarctic Ice Sheet... Read more

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