EMC

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 News RSS

08/22/2014
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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08/18/2014
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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08/11/2014
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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05/16/2014
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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05/13/2014
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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05/09/2014
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

Mongolia 2
Waiting for Meltzer to supply updated description. Read more

Homestake 3D Array
This experiment involves deployment of 28 modern broadband instruments in a three-dimensional configuration in the deepest mine in North America... Read more

SEGMeNT
This experiment will acquire a family of geophysical, geochemical and geological observations in and around northern Lake Malawi to test fundamental hypotheses regarding continental rupture... Read more

AAA (triple A)
Four mini seismic arrays will be installed in Unalaska Island... 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