UCSB Gauchos logoiGauchoBackDegree planning & community
Sign in

BA/BS · 2025-2026

Earth Science

Department of Earth Science

Open interactive roadmapAdmissions ↗UCSB Catalog ↗

Official sources · L&S

Letters & Science Academic Requirements (LASAR)

L&S uses LASAR (Letters and Science Academic Requirements), not CoE GEAR. Download LASAR from DUELS for your catalog year.

180–184 quarter units (184 if Area B foreign language completed at level 3) · 60 upper-division units · GE Areas A–G + special subjects (WRT, EUR, NWC, QNT, ETH)

DUELS degree requirements ↗Admissions majors ↗

Official major sheet — 2025-2026

Parsed from department major sheet. Verify on GOLD progress check.

Preparation for the major

  • CHEM 1A
  • MATH 3A
  • EARTH 2 — Intro geology sequenceSeries through EARTH 4
  • PHYS 7A

Auto-generated from ls-catalog summary — verify on official major sheet.

Upper-division required

  • EARTH upper-division coreEARTH upper-division core
  • Emphasis area electives (geology, geophysics, etc.)Emphasis area electives (geology, geophysics, etc.)

BA and BS tracks with emphases in climate, geology, geobiology, geophysics.

Sample electives

28 units required
  • EARTH 120
  • EARTH 130
  • EARTH 150
  • EARTH 170
  • • Auto-generated from ls-catalog.json. Upgrade to sheet fidelity by parsing department major sheet PDF.

Major regulations

Major GPA
2+ in all prep and upper-division major courses
P/NP grading
Not allowed for major courses

Recommended 4-year plan

180–184 quarter units (184 if Area B foreign language completed at level 3) · 60 upper-division units · GE Areas A–G + special subjects. GE/LASAR slots fill quarters below ~12 major units — verify on GOLD.

FallWinterSpring

Year 1

Fall

CHEM 1A · 4uMATH 3A · 4uGE — Area A (Writing)

Winter

EARTH 2 · 4uSeries through EARTH 4PHYS 7A · 4uGE — Area C (Science/Math)

Spring

EARTH upper-division core · 4uEARTH upper-division coreEmphasis area electives (geology, geophysics, etc.) · 4uEmphasis area electives (geology, geophysics, etc.)GE — Area D (Social Science)

Year 2

Fall

GE — Area E (Culture & Thought)GE — Area F (Arts)GE — Area G (Literature)

Winter

GE — Area B (Foreign Language)LASAR — Writing (WRT)LASAR — European Traditions (EUR)

Spring

LASAR — World Cultures (NWC)LASAR — Quantitative (QNT)LASAR — Ethnicity (ETH)

Year 3

Fall

GE — Area D (2nd course)GE — Area E (2nd course)GE — Area B (level 2+)

Winter

GE — Area B (level 3+)GE — Additional breadthGE — Additional breadth

Spring

GE / electives

Year 4

Fall

GE / electives

Winter

GE / electives

Spring

GE / electives

Interactive graph shows prerequisite chains from the major sheet.

View roadmap graph →

College-wide LASAR rules (GE, writing, 180+ units) apply in addition to the major requirements above. See LASAR and DUELS degree requirements.