Gulf of California Earthquake Resources
Download animations, photos, and presentations on recent earthquakes.
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Seismic Monitor
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2012 IRIS Workshop June 13-15
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Gulf of California Earthquake
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Active Earth: New Madrid
Mouse over an IRIS Program for more information:
IRIS Notices
Message to IRIS Consortium Members and Friends
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2012 IRIS Workshop - Boise, Idaho - June 13-15 - SAVE THE DATES!
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IRIS News 
05/10/2012
IRIS Welcomes New Member Institutions
A new Voting Member and two new Foreign Affiliates join IRIS.
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04/12/2012
Seismometer Testing Facility Dedicated to Former IRIS PASSCAL Program Manager
Jim Fowler, the first Program Manager for IRIS PASSCAL, was honored during a naming ceremony dedicating a seismometer test vault to him.
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03/22/2012
OBS New User’s Short Course at the 2012 IRIS Workshop
Registration is now open for the Ocean Bottom Seismometer Instrument Pool's "OBS New User's Short-Course"
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03/14/2012
Stormy Times Ahead: Impact of Solar Coronal Mass Ejection on Geomagnetic Field Detected by USArray
Researchers making use of EarthScope’s USArray Magnetotelluric Observatory take advantage of high altitude electric currents caused by a large solar flare.
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03/09/2012
IRIS PASSCAL Celebrates Career of Jim Fowler
The IRIS/PASSCAL staff recently honored Jim Fowler for his decades of service to the seismological community.
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03/05/2012
DMC Short Course at the 2012 IRIS Workshop
Registration is now open for the IRIS Data Management System short course "Web services: A powerful new method of of accessing data from the IRIS DMC."
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02/16/2012
EarthScope’s Transportable Array Reaches the East Coast
Seismic station 457A, near Yulee in northeast Florida and within miles of the Atlantic Ocean, is the first installation in this array to reach the East Coast.
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Recent Major Earthquakes
April 12, 2012
Gulf of California - 6.9
April 11, 2012
Off the West Coast of Northern Sumatra - 8.6
March 25, 2012
Maule, Chile - 7.1
March 20, 2012
Oaxaca, Mexico - 7.4
February 2, 2012
Vanuatu - 7.1
PASSCAL/Flex Array Experiments
Helheim Calving
The purpose of this proposal is to use state-of-the-art geodetic and seismic techniques to quantify the dynamical behavior of an ice front during a calving event... 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
UOFG
Field geophysics class. Purpose is to collect shallow reflection and refraction data... Read more
KIVU
This multi-faceted project will 1) systematically acquire seismic reflection, bathymetric, sediment cores, water samples along the length of the lake system; 2) monitor earthquake activity along fault systems and from volcanoes; and 3) analyze time variations in land use and vegetation... Read more
Map of PASSCAL Experiments
Current and future experiments.
