Northern Sumatra Earthquake Resources
Download animations, photos, and presentations on recent earthquakes.
Mouse over an IRIS Program for more information:
IRIS Notices
Call for Letters of Interest for Data Product Development
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2012 IRIS Workshop - Boise, Idaho - June 13-15 - SAVE THE DATES!
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IRIS News 
01/09/2012
Download the Report from the “Autonomous Polar Observing Systems” Workshop
The goal of this NSF-supported workshop was to review the scientific motivations and discuss measurement requirements for instrument deployment and data collection at high latitudes.
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12/27/2011
AGAP Project Reveals Details of Hidden Antarctic Mountain Range
Results are now emerging from the AGAP Project which has been probing Antarctica's Gamburtsev mountain range.
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12/20/2011
Activities Enabled by IRIS and IRIS/PASSCAL were Presented Throughout the 2011 AGU Fall Meeting
Highlights include technical papers, the annual Membership Meeting, and the exhibit booth.
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12/12/2011
2011 Board of Directors Election Results
The IRIS Consortium is very pleased to announce the results of the 2011 Board of Directors election.
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11/17/2011
NSF Issues Letter Outlining Plans for SAFOD Component of EarthScope
After extensive review and consultation, the National Science Foundation announced its intention to develop a new plan for the SAFOD component of the EarthScope Facility.
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10/18/2011
Download the Report on “Opportunities for EarthScope Science in Alaska”
The report and white papers from the May workshop "Opportunities for EarthScope Science in Alaska in Anticipation of USArray" are now available.
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Recent Major Earthquakes
January 10, 2012
Off the West Coast of Northern Sumatra - 7.3
December 14, 2011
Eastern New Guinea Reg, Papua New Guinea - 7.1
October 23, 2011
Eastern Turkey - 7.2
October 21, 2011
Kermadec Islands Region - 7.4
September 15, 2011
Fiji Region - 7.3
PASSCAL/Flex Array Experiments 
Death Valley LANF
A major objective of our proposed research is to find out if the detachment faults dipping westward beneath Death Valley and Panamint Valley are seismically active... Read more
HRIII
An multi-technology experiment (seismic, acoustic, etc) to study the seismo-acoustic source function from above- and below-ground explosions... Read more
NMT_GEOP570
Deployment of three PASSCAL systems for a graduate Instrumentation class to demonstrate hardware and data acquisition, and to provide data for deconvolution/filtering/coherence and other analysis exercises. Read more
MACOMO
We plan to investigate the occurrence of hot spot intraplate volcanism in Madagascar and the Comores Islands and its possible connection to other African volcanic activity and the lower mantle LLSVP with an array of 33 broadband seismometers that will be deployed in two phases over two years... Read more
Map of PASSCAL Experiments
Current and future experiments.








