Key Announcements

Register for the 2014 IRIS Workshop, June 8-11, in Sunriver, Oregon
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Remembering Jim Fowler - Upcoming Events
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Register Now to Participate in the Active Uses of Passive Seismic Data Meeting, June 3, Houston, TX
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Join Us for an EarthScope Symposium and Reception, May 15, in Washington, DC
The event will provide an overview of the scientific discoveries that EarthScope has achieved over the last 10 years as well as a panel discussion highlighting its broader impacts. State-of-the-art EarthScope equipment will also be on display.
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IRIS-EarthScope USArray Data Processing and Analysis Short Course - APPLY NOW!
Applications are being accepted through May 5. The course will be held at Northwestern University in Evanston, Illinois from August 4-8, 2014.
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IRIS Bids Farewell to PASSCAL Program Manager James Gridley
James Gridley will be leaving IRIS to join Pinnacle, part of Halliburton, as the company’s Geophysics Adviser and Chief Technical Adviser in their largest production service line, Production Enhancement.
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New Animations Focus on Megathrust Earthquakes and Alaska
In recognition of the 50th anniversary of the magnitude 9.2 Great Alaska Earthquake of March 27, 1964, IRIS offers a set of three animations made in collaboration with the U.S. Geological Survey and the Alaska Earthquake Center.
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Seismology Community Mourns the Passing of Jim Fowler
With a very heavy heart, we say farewell to Jim Fowler, who passed away on February 25, 2014.
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View Past IRIS News

PASSCAL/Flex Array Experiments RSS

Active-source seismic experiment along one ~500-km-long transect... Read more

This project is aimed at studying the crust and mantle structure under Greenland, which reflects the Precambrian to modern tectonic assembly of the island... Read more

Mongolia 2
waiting for Melter Read more

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