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

Data Visualizations

The USArray Ground Motion Visualization (GMV)

Latest Major Earthquake Information

Magnitude 7.0 - Flores Sea

Key Announcements

Submit Whitepaper by Apr 15 about the Future Seismic and Geodetic Facility Needs in the Geosciences
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Donate to the David Simpson Fund for Innovation
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Early Career Scientists and Geoscience Education Researchers Explore Collaborations
A workshop was held in mid-January to catalyze relationships between the two communities to address the foundational research needed on how people learn geoscience content and develop into expert geoscientists.
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IRIS PASSCAL Helps Deploy Seismographs in Antarctica
The seismic stations installed on the ice shelf will provide data to study wave interactions and the deep earth below.
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2014 IRIS Workshop Report Now Available
A report on outcomes from the 2014 IRIS Workshop has been posted.
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Brian Stump, Past Chair of IRIS Board, Named AAAS Fellow
Seismologist Brian Stump is recognized for distinguished contributions to his field, particularly in the area of seismic monitoring in support of the Comprehensive Nuclear-Test-Ban Treaty.
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Thorne Lay, Past Chair of IRIS Board, Receives Honor from SSA
Seismologist Thorne Lay has been selected to receive the Harry Fielding Reid Medal from the Seismological Society of America for his research accomplishments and service to the scientific community.
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View Past IRIS News

Recent Major EarthquakesRSS

February 27, 2015
Flores Sea - 7.0

February 13, 2015
Northern Mid-Atlantic Ridge - 7.1

November 15, 2014
Molucca Sea - 7.1

November 1, 2014
Fiji - 7.1

October 14, 2014
Offshore El Salvador - 7.3

Full Lists of Recent Earthquakes USGS

PASSCAL/Flex Array Experiments RSS

Student training
Refraction experiment in the field behind PASSCAL... Read more

A ten-station BB network will be installed and operated across the northern half of Namibia for 2 years... Read more

The project is an active-source and broadband, onshore and offshore seismic experiment that is focused on the East Coast margin around Cape Hatteras... Read more

We will be deploying a set of short period single component NodalSeismic instruments along roads within the Sevilleta National Wildlife Refuge to study the extend of the Socorro Magma Body, a shallow magma feature at 19 km depth in central New Mexico... 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