Earth and Planetary Sciences ERTH

Spring 2027 · 41 sections · seat counts as of Oct 25, 2026

Catalog: Earth and Planetary Sciences courses in the 2026-2027 Catalog

ERTH 101 Introductory Astronomy · 3 units

CRN	Meets	Dates	Instructor	Seats
50046	In person Mon/Wed 9:35–10:55am, PS 101	Jan 25–May 22	Jatila Van Der Veen	130 of 130 open
50047	In person Tue/Thu 8:00–9:20am, PS 101	Jan 25–May 22	Sean Kelly	130 of 130 open
50048	In person Tue/Thu 9:35–10:55am, PS 101	Jan 25–May 22	Sean Kelly	130 of 130 open
51438	Online anytime	Jan 25–May 22	Jatila Van Der Veen	50 of 50 open

ERTH 101H Introductory Astronomy, Honors · 4 units

Course description

CRN	Meets	Dates	Instructor	Seats
50348	In person Honors Mon/Wed, 2 meeting times All meeting times Mon/Wed 9:35–10:55am PS 101 Wed 8:20–9:20am EBS 115	Jan 25–May 22	Jatila Van Der Veen	18 of 18 open
50350	In person Honors Tue/Wed/Thu, 2 meeting times All meeting times Tue/Thu 8:00–9:20am PS 101 Wed 8:20–9:20am EBS 115	Jan 25–May 22	Jatila Van Der Veen	2 of 2 open
50351	In person Honors Tue/Wed/Thu, 2 meeting times All meeting times Tue/Thu 9:35–10:55am PS 101 Wed 8:20–9:20am EBS 115	Jan 25–May 22	Jatila Van Der Veen	10 of 10 open

ERTH 102 Observational Astronomy Laboratory · 1 units

Course description

CRN	Meets	Dates	Instructor	Seats
50049	In person Tue 7:00–10:05pm, PLNTRM	Jan 25–May 22	Javier Rivera	32 of 32 open
50050	In person Mon 7:00–10:05pm, PLNTRM	Jan 25–May 22	Sean Kelly	32 of 32 open
50254	In person Thu 7:00–10:05pm, PLNTRM	Jan 25–May 22	Sean Kelly	32 of 32 open
50255	In person Wed 7:00–10:05pm, PLNTRM	Jan 25–May 22	Sean Kelly	32 of 32 open

ERTH 104 Introductory Astrophysics · 3 units

Course description

CRN	Meets	Dates	Instructor	Seats
52210	In person Mon/Wed 11:10am–12:30pm, Location TBA	Jan 25–May 22	Sean Kelly	30 of 30 open

ERTH 111 Dynamic Earth - Physical Geology · 3 units

Course description

CRN	Meets	Dates	Instructor	Seats
50051	In person Tue/Thu 9:35–10:55am, EBS 102	Jan 25–May 22	Bill Dinklage	45 of 45 open

ERTH 111L Dynamic Earth - Physical Geology Laboratory · 1 units

Course description

CRN	Meets	Dates	Instructor	Seats
50052	In person Thu 2:10–5:25pm, EBS 123	Jan 25–May 22	Bill Dinklage	24 of 24 open

ERTH 112 History Of The Earth · 3 units

Course description

CRN	Meets	Dates	Instructor	Seats
50053	In person Tue/Thu 11:10am–12:30pm, EBS 115	Jan 25–May 22	Stephanie Mendes	30 of 30 open
51436	Online anytime	Feb 22–May 22	Stephanie Mendes	50 of 50 open

ERTH 112L Historical Geology Laboratory · 1 units

Course description

CRN	Meets	Dates	Instructor	Seats
50054	In person Tue 2:15–5:20pm, EBS 115	Jan 25–May 22	Stephanie Mendes	24 of 24 open

ERTH 115 Environmental Geology · 3 units

Course description

CRN	Meets	Dates	Instructor	Seats
50290	Online anytime	Nov 3–Jun 30	Kristen Sneddon	75 of 75 open
50341	In person Mon/Wed 9:35–10:55am, EBS 102	Jan 25–May 22	Kristen Sneddon	55 of 55 open
51685	Online anytime	Nov 3–Jun 30	Kristen Sneddon	75 of 75 open

ERTH 115L Environmental Geology Laboratory · 1 units

Course description

CRN	Meets	Dates	Instructor	Seats
50402	In person Wed 11:05am–2:10pm, EBS 123	Jan 25–May 22	Danielle D'Alfonso	7 of 7 open
51002	Online anytime	Feb 8–May 22	Jennifer Shellhorn	24 of 24 open

ERTH 116 Energy and Natural Resources · 3 units

Course description

CRN	Meets	Dates	Instructor	Seats
52449	In person Tue/Thu 11:10am–12:30pm, EBS 123	Jan 25–May 22	Bill Dinklage	24 of 24 open

ERTH 122 Dinosaurs · 3 units

Course description

CRN	Meets	Dates	Instructor	Seats
50055	In person Mon/Wed 11:10am–12:30pm, EBS 115	Jan 25–May 22	John Moore	28 of 28 open

ERTH 132 Geologic Field Studies - Death Valley · 2 units

Course description

CRN	Meets	Instructor	Seats
51218	Arranged Field Studies	Stephanie Mendes	24 of 24 open
51219	Arranged Field Studies	Kristen Sneddon	24 of 24 open
52213	Arranged Field Studies	Stephanie Mendes	Full (0/0)

ERTH 141 Physical Geography · 3 units

Course description

CRN	Meets	Dates	Instructor	Seats
50056	Online anytime	Jan 25–May 22	Geordie Armstrong	35 of 35 open
50057	In person Tue/Thu 11:10am–12:30pm, EBS 102	Jan 25–May 22	Geordie Armstrong	60 of 60 open

ERTH 141L Physical Geography Laboratory · 1 units

Course description

CRN	Meets	Dates	Instructor	Seats
50058	Online anytime	Jan 25–May 22	Danielle D'Alfonso	24 of 24 open
51212	In person Tue 2:15–5:20pm, EBS 123	Jan 25–May 22	Danielle D'Alfonso	24 of 24 open

ERTH 151 Introductory Physical Oceanography · 3 units

Course description

CRN	Meets	Dates	Instructor	Seats
50059	In person Mon/Wed 11:10am–12:30pm, EBS 102	Jan 25–May 22	Bill Dinklage	40 of 40 open
51214	Online anytime	Feb 8–May 22	Stephanie Mendes	50 of 50 open

ERTH 151L Introductory Physical Oceanography Laboratory · 1 units

Course description

CRN	Meets	Dates	Instructor	Seats
50060	In person Mon 2:15–5:20pm, EBS 123	Jan 25–May 22	Richard Brokaw	24 of 24 open

ERTH 152 Weather and Climate · 3 units

Course description

CRN	Meets	Dates	Instructor	Seats
50061	In person Mon/Wed 12:45–2:05pm, EBS 102	Jan 25–May 22	Geordie Armstrong	40 of 40 open

ERTH 152L Weather and Climate Laboratory · 1 units

Course description

CRN	Meets	Dates	Instructor	Seats
51439	In person Wed 2:15–5:20pm, EBS 123	Jan 25–May 22	Danielle D'Alfonso	24 of 24 open

ERTH 171 Introduction To Geographic Information Systems And Maps · 2 units

Course description

CRN	Meets	Dates	Instructor	Seats
50997	Hybrid Classroom/Web Tue/Thu 5:30–6:30pm, EBS 123 + online work All meeting times Tue/Thu 5:30–6:30pm EBS 123 Plus online work	Feb 23–May 22	Alexander Wrobel	24 of 24 open

ERTH 172 Geographic Information Systems: Software Applications · 2 units

Course description

CRN	Meets	Dates	Instructor	Seats
50999	In person Tue/Thu, 2 meeting times All meeting times Lecture Tue 6:45–8:35pm H 244 Lab Thu 6:45–8:35pm H 244	Feb 23–May 22	Alexander Wrobel	24 of 24 open

ERTH 232A Field Study - Petrology of the Death Valley Region · 2 units

Course description

CRN	Meets	Instructor	Seats
52214	Arranged Field Studies	Bill Dinklage	Full (0/0)

ERTH 232B Field Study - Mineral Resources and Plate Tectonic History of the Death Valley Region · 2 units

Course description

CRN	Meets	Instructor	Seats
51220	Arranged Field Studies	Bill Dinklage	Full (0/0)

ERTH 299 Independent Study In Earth Science · 1 units

Course description

CRN	Meets	Instructor	Seats
52026	Arranged Directed (Indep) Study	Stephanie Mendes	Full (0/0)

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