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Oklahoma.
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IRIS summoned a great group of professors, field techs, post-docs and graduate and undergraduate students for this community experiment involving the deployment of more than 850 5Hz 3 component nodes and 18 broadband 3 component stations. If you want to know more about this experiment please visit these links: IRIS Community Wavefield Demonstration Experiment near Enid, Oklahoma - Summer 2016 | Paper
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Pouring fresh concrete to make a base where our seismometer can sit and be well coupled to the ground. Picture from PhD Chastity Aiken
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This is how the chamber looks like after the concrete has cured with the drum around it.
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Güralp CMG-3T 3-components broadband seismometer
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The RT-130 data logger powered with one 12V battery through a master-box
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The 12V battery gets recharged by solar panels, so the stations can be out for a long time
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A 3C 5Hz nodal sensor.
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More Oklahoma.
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Zack was pretty happy making holes all over Oklahoma
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Taking a break with PhD Gustavo Ortiz from Argentina
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Gustavo celebrating a node deployment
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A well leveled and oriented node, one of hundreds that we installed per day!