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GeoPRISMS Steering and Oversight Committee

The GeoPRISMS Steering and Oversight Committee (GSOC) comprises 11-15 members who represent the broad GeoPRISMS community who serve three-year terms, on average. The GeoPRISMS Chair oversees the GSOC. The committee meets once a year, in Spring, to help guide program activities.

Committee members 2017. From top to bottom, left to right: Demian Saffer (GeoPRISMS Chair), Becky Bell, Rebecca Bendick, Danny Brothers, Chad Deering, Robert Harris, Katie Keranen, Kerry Key, Luc Lavier, Sarah Penniston-Dorland, Kyle Straub, Jessica Warren

Each GSOC member is expected to work actively to promote GeoPRISMS in their respective community and is encouraged to recognize the need for, and themes of, workshops and/or theoretical institutes and to work with their community to prepare the necessary proposals.

  • GSOC’s activities include reviewing progress toward scientific goals, organizing and running workshops, preparing white papers and initiative summaries, promoting national and international collaborations and opportunities, fostering communication within the broader community, and providing advice and feedback to NSF program managers and GeoPRISMS chairs.
  • GSOC continually monitors and reviews progress towards the stated goals within each initiative’s science plan, and encourages attempts to integrate and synthesize results. The GSOC also has one or more members who represent the perspectives of industry, the climate and geohazards community, and state or national surveys.

Every semester two people usually rotate off the committee. Nomination to the committee is either via self-nomination, nominations from the community following a “Call for Nominations” advertisement distributed by the GeoPRISMS Office, or recommendations made by retiring committee members. MARGINS has long adopted a policy with respect to committee membership in order for the committee to remain balanced, dynamic and unbiased: 1) Once a person has served on the steering committee, they cannot re-serve (unless they are being considered for the steering committee chair), and 2) There cannot be institutional duplication by committee members. Expertise on the committee is arranged to cover the generalities of each of the initiatives and focus sites, if at all possible.

GSOC Members 2017GSOC Highlights
March 16-17, 2017, NSF Headquarters, Arlington, VA
March 17-18, 2016, NSF Headquarters, Arlington, VA
March 12-13, 2015, NSF Headquarters, Arlington, VA
March 20-21, 2014, NSF Headquarters, Arlington, VA
March 28-29, 2013, NSF Headquarters, Arlington, VA
November 9-10, 2012, NSF Headquarters, Houston, TX
March 8-9, 2012, NSF Headquarters, Arlington, VA
November 7-8, 2011, Rice University, Houston, TX
March 7-8, 2011, NSF Headquarters, Arlington, VA

October 17-18, 2010, Hotel Monaco, Portland, OR

GeoPRISMS Education Advisory Committee

 The GeoPRISMS Education Advisory Committee (GEAC) provides advice and guidance on educational and outreach programs coordinated by GeoPRISMS. One or two members are jointly on the GEAC and GSOC which provides continuity and efficient communication. GEAC helps guide the development of the mini-lessons and webinars (partly supported through a separate DUE grant to Rice).

  • Rosemary Hickey-Vargas, Florida International University, hickey (at)
  • Cathy A. Manduca, Carleton College, cmanduca (at)
  • Jeff Marshall, Cal State Pomona, marshall (at)
  • Sarah Penniston-Dorland, University of Maryland, sarahpd (at)

Ex Officio
  • Peter van Keken, GeoPRISMS Chair, University of Michigan, keken (at)
  • Andrew Goodwillie, Lamont-Doherty Earth Observatory, andrewg (at)
  • Juli Morgan, Rice University, morganj (at)


Amphibious Array Steering Committee

The Report of the Amphibious Array Facilities Workshop that took place on October 22-24, 2014 in Snowbird, Utah is now available for download.

The Amphibious Array Steering Committee (AASC – See also EarthScope’s page) was formed at the request of NSF to provide community guidance on the use of the ARRA-funded amphibious array. The AASC jointly represents EarthScope and GeoPRISMS science communities, and reports to both Steering Committees. The array consists of both onshore and offshore seismic instrumentation and onshore geodetic instrumentation. The amphibious array is currently installed in Cascadia where it is expected to remain until the summer of 2015.

The offshore component of the Cascadia Initiative is being coordinated by the Cascadia Initiative Expedition Team (CIET).

Service on the committee is typically for three years and primarily consists of participating in a handful of conference calls during the year. Susan Schwartz is the current chair, and there are an additional 6 representatives from the community along with representatives for Earthscope, GeoPRISMS, and OBSIP.

Current AASC Membership

  • Susan Schwartz, Chair, syschwar (at)
  • Jeff Freymueller, jeff.freymueller (at)
  • Heidi Houston, heidi.houston (at)
  • Gabi Laske, glaske (at)
  • Steve McNutt, smcnutt (at)
  • Brandon Schmandt, bschmandt (at)
  • Haiying Gao, haiyinggao (at)
  • Rob Evans, revans (at)

Ex Officio

  • Peter van Keken (GeoPRISMS)
  • Ramon Arrowsmith (EarthScope)
  • Don Forsyth (OBSIP)

AASC Minutes
Related Meetings
CI Year 4 Focused Array
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