# Earth Sciences (ERTH) — Spring 2027 schedule Santa Ana College · 11 sections · Seat counts as of 2026-10-18 Source: https://colss-prod.cloud.rsccd.edu/Student/Courses Term dates: Feb 8, 2027 – Jun 5, 2027 (from the sections' dates) · 5 sessions, with dates: /c/santa-ana-college/schedule/spring-2027/index.json · Academic calendar: https://www.sac.edu/admissions/academic_calendar.php Course descriptions: 2026-2027 catalog, /c/santa-ana-college/catalog/2026-2027/courses/erth.md ## ERTH 110 — Planet Earth: Introduction to Earth Science (3 units) | CRN | Section | Format | Meets | Dates | Instructor | Seats | | --- | --- | --- | --- | --- | --- | --- | | 88210 | 88210 | Online anytime | Online, no set time | Jan 4–Jan 30 | Claire M. Coyne | 40 of 40 open | | 88211 | 88211 | Online anytime | Online, no set time | Jan 4–Jan 30 | Anthony A. Macias | 40 of 40 open | | 94559 | 94559 | In person, 1 Lecture | Tue/Thu 8:30–9:55am, SC SC-122 | Feb 8–Jun 5 | Staff | 40 of 40 open | | 94560 | 94560 | In person, 1 Lecture | Tue/Thu 6:00–7:25pm, SC SC-122 | Feb 8–Jun 5 | Staff | 40 of 40 open | | 94561 | 94561 | Online anytime | Online, no set time | Feb 8–Apr 4 | Staff | 40 of 40 open | | 94563 | 94563 | Online anytime | Online, no set time | Mar 1–Jun 5 | Staff | 40 of 40 open | | 94565 | 94565 | Online anytime | Online, no set time | Apr 12–Jun 5 | Staff | 40 of 40 open | | 94566 | 94566 | Online anytime | Online, no set time | Feb 8–Mar 7 | Staff | 40 of 40 open | ## ERTH 115 — Earth Science for Educators (4 units) | CRN | Section | Format | Meets | Dates | Instructor | Seats | | --- | --- | --- | --- | --- | --- | --- | | 94567 | 94567 | In person, 1 Lecture, 1 Laboratory | 1 Lecture: Mon/Wed 8:30–9:55am, SC SC-118; 1 Laboratory: Mon/Wed 10:05–11:30am, SC SC-118 | Feb 8–Jun 5 | Staff | 30 of 30 open | ## ERTH 125 — Introduction to Climate Science (3 units) | CRN | Section | Format | Meets | Dates | Instructor | Seats | | --- | --- | --- | --- | --- | --- | --- | | 94568 | 94568 | In person, 1 Lecture | Tue/Thu 10:05–11:30am, SC SC-122 | Feb 8–Jun 5 | Staff | 40 of 40 open | | 94570 | 94570 | In person, 1 Lecture | Mon/Wed 8:30–9:55am, SC SC-122 | Feb 8–Jun 5 | Staff | 40 of 40 open |