Best Doctoral Programs in Geology and Earth Science: GeologyPrograms.com tracks 29 matching programs at 27 institutions across 19 states, 0 with institution-documented online delivery. The 25 highest scoring institutions are ranked below, each linked directly to its official program page. Programs are scored with the Program Quality Index, a seven-factor system using only attributes institutions publish about their own programs: applied and field experience, departmental depth, credential ladder, curriculum transparency, specialization clarity, research environment, and delivery flexibility. The index deliberately excludes reputation surveys, self-reported placement rates, and cost, and the methodology page states why. For federal wage context, geoscientists earned a May 2024 median of $99,240 and environmental scientists $80,060, with environmental roles offering roughly four times the annual openings. Last reviewed August 14, 2026.
A funded PhD is a job with a stipend. An unfunded PhD in earth science is a financial mistake with a robe at the end of it. That distinction is the entire decision.
The ranking
One entry per institution, ordered by Program Quality Index score. Where an institution runs several matching programs, we show its strongest and you can find the rest on the department page. Scores are computed from documented program attributes, and the full method is published on our methodology page.
Doctorate
PhD in Geographic Information Science
Arizona State University · Arizona
- Department
- School of Geographical Sciences and Urban Planning
- Location
- Tempe, Arizona
- Delivery
- On campus
Doctorate
PhD in Geography, Geographic Information Systems and Remote Sensing Concentration
University of Arizona · Arizona
- Department
- School of Geography, Development, and Environment
- Location
- Tucson, Arizona
- Delivery
- On campus
Doctorate
Doctor of Philosophy - Concentration in Geomatics and Geographic Information Sciences
University of Florida · Florida
- Department
- Geography Department
- Location
- Gainesville, Florida
- Delivery
- On campus
Doctorate
PhD in Population, Health, and Place
University of Southern California · California
- Department
- Spatial Sciences Institute
- Location
- Los Angeles, California
- Delivery
- On campus
Doctorate
Doctorate in Geography, GIS & Spatial Analysis Specialization
Ohio State University-Main Campus · Ohio
- Department
- City and Regional Planning Section
- Location
- Columbus, Ohio
- Delivery
- On campus
Doctorate
Ph.D. in Geography (Geographic Information Science)
Kansas State University · Kansas
- Department
- Department of Geography and Geospatial Sciences
- Location
- Manhattan, Kansas
- Delivery
- On campus
Doctorate
Doctor of Philosophy in Geospatial Information Sciences
The University of Texas at Dallas · Texas
- Department
- The Jonsson School
- Location
- Richardson, Texas
- Delivery
- On campus
Doctorate
Ph.D. in Geoinformatics and Geospatial Analytics
Saint Louis University-Main Campus · Missouri
- Department
- Geospatial Institute
- Location
- Saint Louis, Missouri
- Delivery
- On campus
Doctorate
Doctorate in Environmental Resources and Policy, Geographic Information Systems and Environmental Modeling Concentration
Southern Illinois University Carbondale · Illinois
- Department
- Department of Environment and Sustainability
- Location
- Carbondale, Illinois
- Delivery
- On campus
Doctorate
PhD in Geophysics, Remote Sensing Geophysics Specialization
University of Alaska Fairbanks · Alaska
- Department
- Department of Geosciences
- Location
- Fairbanks, Alaska
- Delivery
- On campus
Doctorate
Doctorate in Geospatial and Environmental Analysis
Virginia Tech · Virginia
- Department
- Department of Geography
- Location
- Blacksburg, Virginia
- Delivery
- On campus
Doctorate
Doctorate in Geography - Geographic Information Science
West Virginia University · West Virginia
- Department
- Department of Geology and Geography
- Location
- Morgantown, West Virginia
- Delivery
- On campus
Doctorate
Doctorate in Geography and Geospatial Science
Oregon State University · Oregon
- Department
- Department of Geography and Geospatial Science
- Location
- Corvallis, Oregon
- Delivery
- On campus
Doctorate
Doctorate in Geospatial Computer Science
Texas A & M University-Corpus Christi · Texas
- Department
- Department of Computing Sciences
- Location
- Corpus Christi, Texas
- Delivery
- On campus
Doctorate
PhD in Geography, Geographic Information System and Remote Sensing Specialization
Indiana University Bloomington · Indiana
- Department
- Department of Geography
- Location
- Bloomington, Indiana
- Delivery
- On campus
Doctorate
Doctorate in Geography, Geographic Information Science Concentration
University of North Carolina at Charlotte · North Carolina
- Department
- Department of Geography & Earth Sciences
- Location
- Charlotte, North Carolina
- Delivery
- On campus
Doctorate
Doctorate in Geography, GIS/Spatial Analysis Specialization
Northern Illinois University · Illinois
- Department
- Department of Earth, Atmosphere and Environment
- Location
- Dekalb, Illinois
- Delivery
- On campus
Doctorate
Doctor of Philosophy in Geographic Information Science
Texas State University-San Marcos · Texas
- Department
- Department of Geography and Environmental Studies
- Location
- San Marcos, Texas
- Delivery
- On campus
Doctorate
Doctor of Philosophy (PhD) in Geography, Geographic Information Science Concentration
University of Kansas · Kansas
- Department
- Department of Geography & Atmospheric Science
- Location
- Lawrence, Kansas
- Delivery
- On campus
Doctorate
Ph.D. in Geospatial Analytics
North Carolina State University at Raleigh · North Carolina
- Department
- College of Natural Resources
- Location
- Raleigh, North Carolina
- Delivery
- On campus
Doctorate
Doctorate in Geography - Geographic Information Science, UAS Specialization
Oklahoma State University-Main Campus · Oklahoma
- Department
- Department of Geography
- Location
- Stillwater, Oklahoma
- Delivery
- On campus
Doctorate
PhD in Geography, Geographic Information Science Concentration
The University of Alabama · Alabama
- Department
- Department of Geography
- Location
- Tuscaloosa, Alabama
- Delivery
- On campus
Doctorate
Doctorate of Geography, Spatial Analysis - Geographic Information Science Specialization
The University of Tennessee · Tennessee
- Department
- Department of Geography & Sustainability
- Location
- Knoxville, Tennessee
- Delivery
- On campus
Doctorate
Doctorate in Geography, GIS and Spatial Analysis Specialization
Clark University · Massachusetts
- Department
- Department of Geography
- Location
- Worcester, Massachusetts
- Delivery
- On campus
Doctorate
Doctorate in Geography, GIS Concentration
University at Buffalo · New York
- Department
- Department of Geography
- Location
- Buffalo, New York
- Delivery
- On campus
How we scored these programs
The Program Quality Index distributes 100 points across seven factors. Every factor is derived from information the institution publishes about its own program, which means any score here is reproducible and any disagreement with it can be specific rather than vague.
| Factor | Weight | What it measures |
|---|---|---|
| Applied and field experience | 20 | Documented field, laboratory, practicum, capstone, mapping, or internship content in the program or department. |
| Departmental depth | 18 | The number of related programs the institution runs in this subject area. Depth signals faculty coverage and elective choice. |
| Credential ladder | 15 | Whether you can progress within the institution from certificate through associate, bachelor, master, and doctoral levels. |
| Curriculum transparency | 15 | Whether the institution publishes accessible curriculum detail. Programs that hide their course lists score lower, by design. |
| Specialization clarity | 12 | Whether the program names a defined focus rather than presenting a generic title. |
| Research environment | 10 | Graduate and doctoral presence in the unit, and named institutes or centers. |
| Delivery flexibility | 10 | Documented online or flexible delivery, where the institution states it. |
What this index does not measure
This is the section most ranking sites omit, which is why we lead with it. The index does not capture teaching quality, graduate salaries, admission selectivity, financial aid generosity, or job placement. It cannot, because those things are either unpublished, self-reported by the institution, or both.
It also does not price the program. Cost is the single largest variable in whether an earth science degree pays off, and it varies by residency, aid, and year in ways a national score cannot represent. Get the actual number from the institution and weigh it more heavily than anything on this page.
How to use this list properly
Treat it as a starting shortlist, not a verdict. The next steps are the ones that decide the outcome, and they involve talking to people rather than reading rankings.
- Email the department and ask what the field or applied requirement actually involves, in days and in cost.
- Ask which employers hired from the last two graduating classes, and treat a vague answer as an answer.
- If you intend to pursue licensure, check the curriculum against your state board coursework requirements now.
- Compare total cost after aid, not sticker price, and include any field or travel requirement.
- Ask how many students are in the required courses. Class size affects field instruction more than lecture quality.
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Frequently asked questions
How did you choose these programs?
Every program in our database is scored with the Program Quality Index, a seven-factor system using only attributes institutions publish about their own programs. We list one entry per institution so a single large department does not fill the ranking.
Does a higher score mean I will get a better job?
No. The index measures documented program characteristics, not graduate outcomes. It is a research tool for narrowing a list, and it should be followed by contacting the departments directly.
Why is a school I expected to see missing?
Our database covers the institutions we track in this subject area, and it is not exhaustive. A program may also rank lower if the institution does not publish accessible curriculum detail, which the index treats as a negative signal.
Should I only apply to programs on this list?
No. Use it to build a shortlist, then evaluate cost, location, field requirements, and licensure alignment for your own situation. A lower-ranked local public program you can afford often beats a higher-ranked one you cannot.