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

Data Visualizations

The USArray Ground Motion Visualization (GMV)

Latest Major Earthquake Information

Magnitude 6.0 - San Francisco Bay Area

Key Announcements

Download Plenary Presentations from the IRIS Workshop
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David Simpson Fund for Innovation Launched
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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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IRIS Project Associate Andy Frassetto Blogs about Inspiration from USArray
The Bridge, one of the American Geophysical Union's blogs, invited Andy Frassetto to share his thoughts on how EarthScope and USArray are inspiring the next generation of seismologists.
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Watch Seismologists Install a Seismic Station in Antarctica
A team of seismologists recorded a few short videos as they deployed a seismic station in the Transantarctic Mountains.
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View Past IRIS News

PASSCAL/Flex Array Experiments RSS

2-D seismic refraction survey, sledge hammer source, on NMT campus for an introductory geophysics course. Read more

We are requesting at total of 25 L22 3-component geophone packages to be deployed for one month to augment a 10 station broadband array centered near -78... Read more

A series of rocket motor explosions to be conducted at EMRTC (Socorro, NM) for the purpose of improving understanding of ground and atmospheric coupling... Read more

Ross Ice Shelf (RIS)
We will deploy 18 autonomous broadband seismographs provided by the IRIS PASSCAL program for two continuous years on the Ross Ice Shelf (RIS) between Ross Island and MBL to constrain the mantle structure and dynamics of the Ross Sea Embayment... 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