The Alaska Transportable Array Team: Achieving Success in Challenging Environments

Alaska’s TA stations offer a rare opportunity to collect information from remote regions. The stations are autonomous and telemetered, providing data used in increasingly diverse applications such as weather, wildfire, and permafrost monitoring. ​(Photo credit: Maria Sanders) Continue Reading

Couldn’t go to this year’s Iditarod in Alaska?

Make plans to attend the
EarthScope National Meeting Anchorage
May 16-18, 2017

Register Now!

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Data from Community Wavefield Demonstration Experiment Now Available

IRIS is pleased to announce that the data collected during the Community Wavefields Demonstration Experiment are now fully archived and available at the IRIS Data Management Center. Continue Reading


May 16-
May 18 2017
Earthscope National Meeting 2017 Dena’ina Convention Center, Anchorage, AK, USA
Oct 21 2017 IRIS Distinguished Lecture Series Southwestern Oregon Community College
Earthquake Resources


Seismic Monitor


Modern seismometers include 3 elements to determine the simultaneous movement in 3 directions: up-down, north-south,and east-west. Each direction gives information about the earthquake. This animation shows both the movement of the three basic waves (P, S, and surface) and the effect of the waves on a building.


Undergraduate Internships

NSF REU summer interns conduct geophysical research at IRIS institutions. 



Induced Earthquake Mitigation

Induced Earthquake Mitigation

This study is an example of how communication, collaboration and cooperation between scientists, industry professionals and regulators can help to mitigate induced earthquakes.
Multiple Magma Reservoirs Beneath Mount St. Helens?

Multiple Magma Reservoirs Beneath Mount St. Helens?

Ground motion recordings from regional earthquakes and artificial sources at ~6000 individual seismograph locations have been utilized to image the volcanic plumbing system beneath Mt. St. Helens.
USArray Stories from the Field

USArray Stories from the Field

Read essays about the experiences of USArray field crews, student siters, and others