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Appalachian graduate’s research advances the understanding of earthquakes

View larger image

Appalachian alumnus Jake Dorsett ’18, left, and his research mentor, Dr. Scott Marshall, professor in the Department of Geological and Environmental Sciences (GES), view their three-dimensional model of faults and earthquake locations in California’s Imperial Valley. Photo by Marie Freeman

“During an advising meeting, I voiced interest in doing an undergraduate thesis with Dr. Marshall, and we settled on this project. Dr. Marshall spent a lot of time teaching me the skills required to be a geophysical modeler.”

Jake Dorsett ’18, now a graduate student at Indiana University

By Jan Todd
Posted Nov. 1, 2019 at 10:04 a.m.

BOONE, N.C. — While an undergraduate at Appalachian State University, Jake Dorsett ’18 conducted some earthshaking research that was recently published by the Bulletin of the Seismological Society of America.

Dorsett, who is from Monroe, was a double major, earning a B.S. in geology with a concentration in quantitative geoscience and a B.S. in physics with a concentration in applied physics. He also explored geophysics as part of his physics major and is now pursuing a master’s degree in geophysics at Indiana University.

At Appalachian, Dorsett worked with Dr. Scott Marshall, professor in the Department of Geological and Environmental Sciences (GES), along with collaborators at the Universidade de Brasília’s Instituto de Geociências and the University of Massachusetts at Amherst.

View larger image

This image shows faults (indicated by black lines) and earthquake epicenters shaded by depth (colored points) for the greater Imperial Valley region of Southern California. Significant historical earthquakes are labeled with stars. Dorsett’s research focused on testing the effects of three proposed connecting faults, shown here as white lines, between the Imperial and San Andreas faults. Photo submitted

“It is cool that an undergraduate student at Appalachian, through lots of hard work and dedication, can learn to create and analyze cutting-edge computational models that demonstrate something completely fundamental about a fault that has been studied by hundreds of thousands of people.”

Dr. Scott Marshall, professor in Appalachian’s Department of Geological and Environmental Sciences

The team built a physics-based model that demonstrated the San Andreas Fault in California does not end where most people think — but is, in fact, connected to other faults extending into Mexico.

“To scientists working on probabilistic earthquake forecasting in the Los Angeles area, it is important to consider how the San Andreas interacts with the dozens of other seismically active faults near the boundary,” Dorsett explained.

“When matched with field-based geologists’ observations, our model showed the San Andreas Fault extends approximately 50 miles south of where it was thought to end — which might alter predictions surrounding the next major earthquake,” he continued.

“During an advising meeting, I voiced interest in doing an undergraduate thesis with Dr. Marshall, and we settled on this project. Dr. Marshall spent a lot of time teaching me the skills required to be a geophysical modeler.”

Jake Dorsett ’18, now a graduate student at Indiana University

Marshall was Dorsett’s academic adviser at Appalachian. “During an advising meeting, I voiced interest in doing an undergraduate thesis with Dr. Marshall, and we settled on this project,” Dorsett said.

“Dr. Marshall spent a lot of time teaching me the skills required to be a geophysical modeler. He advised me on creating scientific posters, talks and working my thesis into a publication,” he added.

“It is cool that an undergraduate student at Appalachian, through lots of hard work and dedication, can learn to create and analyze cutting-edge computational models that demonstrate something completely fundamental about a fault that has been studied by hundreds of thousands of people.”

Dr. Scott Marshall, professor in Appalachian’s Department of Geological and Environmental Sciences

Marshall said, “It is cool that an undergraduate student at Appalachian, through lots of hard work and dedication, can learn to create and analyze cutting-edge computational models that demonstrate something completely fundamental about a fault that has been studied by hundreds of thousands of people.”

Scholarships and support

Dorsett received an Undergraduate Research Assistantship from Appalachian’s Office of Student Research and additional scholarships and travel grants from the GES department.

“Thanks to the financial support, I was able to quit my job as a line cook and have more time to dedicate to scientific research,” Dorsett shared. “I can’t overstate the impact that decision has had on my academic career.”

While Marshall was his primary mentor, Dorsett said he could depend on many of his professors to work with him through difficult concepts, share about their research and guide him in career-oriented decisions.

“The faculty were engaged with students and really wanted us to succeed,” Dorsett said. “They were willing to provide some fantastic opportunities — the type of work that prepared us for graduate school and the industry.”

What’s next for Dorsett? When he finishes his master’s degree, he plans to work in the energy industry as an exploration geologist with Exxon Mobil Corp.

“As long as I get to learn new things every day and continue to solve new and novel problems, I’ll be happy,” he said.

What do you think?

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Geology (BS) – Quantitative Geoscience
Geology (BS) – Quantitative Geoscience

The Geology-Quantitative Geoscience (BS) degree prepares you for the environmental field, geophysics, resource industries, and oil and natural gas exploration.

Learn more
Physics (BS) – Applied Physics
Physics (BS) – Applied Physics

The concepts of physics are basic to matter, energy and all phenomena. Students in Appalachian State University’s Bachelor of Science in Physics – Applied Physics degree receive the guidance and instruction to harness these concepts. Whether you choose to continue on to graduate school or pursue a career in industries such as computing, engineering, biotechnology, nanotechnology or statistics, you will be equipped with the necessary knowledge, technical training and problem-solving skills to handle many challenges.

Learn more
Appalachian students present their research at the 21st Annual Celebration of Student Research and Creative Endeavors
Appalachian students present their research at the 21st Annual Celebration of Student Research and Creative Endeavors
June 7, 2018

Undergraduate and graduate students representing several Appalachian colleges presented a total of 176 research posters at the university’s 21st Annual Celebration of Student Research and Creative Endeavors.

Read the story
First Destination Success
First Destination Success

Appalachian tracks where its graduates go, notes high success rate

Whether graduates seek immediate employment or an advanced degree, their experience at Appalachian State University gets them where they want to go at a high rate of success.

Learn more

About the Department of Geological and Environmental Sciences

Located in Western North Carolina, Appalachian State University provides the perfect setting to study geological and environmental sciences. The Department of Geological and Environmental Sciences provides students with a solid foundation on which to prepare for graduate school or build successful careers as scientists, consultants and secondary education teachers. The department offers six degree options in geology and two degree options in environmental science. Learn more at https://earth.appstate.edu.

About the Department of Physics and Astronomy

The Department of Physics and Astronomy’s curriculum has an applied nature that includes a core of fundamental physics courses and laboratory experiences. The department prepares graduates for a variety of scientific, teaching or engineering professions, as well as future educational endeavors. Learn more at https://physics.appstate.edu.

About the College of Arts and Sciences

The College of Arts and Sciences (CAS) at Appalachian State University is home to 17 academic departments, two centers and one residential college. These units span the humanities and the social, mathematical and natural sciences. CAS aims to develop a distinctive identity built upon our university's strengths, traditions and unique location. The college’s values lie not only in service to the university and local community, but through inspiring, training, educating and sustaining the development of its students as global citizens. More than 6,400 student majors are enrolled in the college. As the college is also largely responsible for implementing App State’s general education curriculum, it is heavily involved in the education of all students at the university, including those pursuing majors in other colleges. Learn more at https://cas.appstate.edu.

About Appalachian State University

As the premier public undergraduate institution in the Southeast, Appalachian State University prepares students to lead purposeful lives as global citizens who understand and engage their responsibilities in creating a sustainable future for all. The Appalachian Experience promotes a spirit of inclusion that brings people together in inspiring ways to acquire and create knowledge, to grow holistically, to act with passion and determination, and to embrace diversity and difference. Located in the Blue Ridge Mountains, Appalachian is one of 17 campuses in the University of North Carolina System. Appalachian enrolls nearly 21,000 students, has a low student-to-faculty ratio and offers more than 150 undergraduate and graduate majors.

“During an advising meeting, I voiced interest in doing an undergraduate thesis with Dr. Marshall, and we settled on this project. Dr. Marshall spent a lot of time teaching me the skills required to be a geophysical modeler.”

Jake Dorsett ’18, now a graduate student at Indiana University

Geology (BS) – Quantitative Geoscience
Geology (BS) – Quantitative Geoscience

The Geology-Quantitative Geoscience (BS) degree prepares you for the environmental field, geophysics, resource industries, and oil and natural gas exploration.

Learn more
Physics (BS) – Applied Physics
Physics (BS) – Applied Physics

The concepts of physics are basic to matter, energy and all phenomena. Students in Appalachian State University’s Bachelor of Science in Physics – Applied Physics degree receive the guidance and instruction to harness these concepts. Whether you choose to continue on to graduate school or pursue a career in industries such as computing, engineering, biotechnology, nanotechnology or statistics, you will be equipped with the necessary knowledge, technical training and problem-solving skills to handle many challenges.

Learn more

“It is cool that an undergraduate student at Appalachian, through lots of hard work and dedication, can learn to create and analyze cutting-edge computational models that demonstrate something completely fundamental about a fault that has been studied by hundreds of thousands of people.”

Dr. Scott Marshall, professor in Appalachian’s Department of Geological and Environmental Sciences

Appalachian students present their research at the 21st Annual Celebration of Student Research and Creative Endeavors
Appalachian students present their research at the 21st Annual Celebration of Student Research and Creative Endeavors
June 7, 2018

Undergraduate and graduate students representing several Appalachian colleges presented a total of 176 research posters at the university’s 21st Annual Celebration of Student Research and Creative Endeavors.

Read the story
First Destination Success
First Destination Success

Appalachian tracks where its graduates go, notes high success rate

Whether graduates seek immediate employment or an advanced degree, their experience at Appalachian State University gets them where they want to go at a high rate of success.

Learn more

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Appalachian Today is an online publication of Appalachian State University. This website consolidates university news, feature stories, events, photo galleries, videos and podcasts.

The migration of materials from other sites is still incomplete, so if you cannot find what you're looking for here, please refer to the following sources:

  • Additional feature stories may be found at Appalachian Magazine
  • Podcasts may be found at Appalachian Magazine
  • Photo galleries and videos published prior to Jan. 1, 2015 may be found at Appalachian Magazine
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Archives

Appalachian Today is an online publication of Appalachian State University. This website consolidates university news, feature stories, events, photo galleries, videos and podcasts.

The migration of materials from other sites is still incomplete, so if you cannot find what you're looking for here, please refer to the following sources:

  • Additional feature stories may be found at Appalachian Magazine
  • Podcasts may be found at Appalachian Magazine
  • Photo galleries and videos published prior to Jan. 1, 2015 may be found at Appalachian Magazine
  • A university-wide Google Calendar may be found at Events at Appalachian
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