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

Data Visualizations

The USArray Ground Motion Visualization (GMV)

Latest Major Earthquake Information

Magnitude 7.3 - Philippines

Key Announcements

2016 Board of Directors Election Results
Read More

Update from IRIS President Bob Detrick - Fall 2016
Read More

IRIS Issues Strategic Plan
Read More

Donate to the David Simpson Fund for Innovation
Read More


2018 Distinguished Lectureship - Call for Nominations
IRIS and SSA are pleased to announce the 16th year of this jointly-sponsored annual national public lecture series in seismology. The selection committee seeks nominations from the seismological community for two lecturers for 2018.
Read More

Visit the IRIS Special Event Page for More Information about the M7.8 New Zealand Earthquake
Direct links to and images of data and materials available from IRIS programs and preliminary research results from the seismology community are provided. The page is updated when new information is contributed.
Read More

View Past IRIS News

Recent Major EarthquakesRSS

January 10, 2017
Philippines - 7.3

December 25, 2016
Southern Chile - 7.6

December 17, 2016
Papua New Guinea - 7.9

December 8, 2016
Solomon Islands - 7.7

November 24, 2016
El Salvador - 7.0

Full Lists of Recent Earthquakes USGS

PASSCAL/Flex Array Experiments RSS

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