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Mt. SAC Important Message

COVID-19 NOTICE: To take classes ON CAMPUS this upcoming Winter 2022 term, vaccinations will be required. Fully online students are exempt from this requirement. Learn about the December 10 deadline for the first dose, exemptions and more in your Mt. SAC email or


Earth Sciences


Earth Sciences


Earth Sciences


Geo-Tech Program

Mt. San Antonio College's Geo-tech Program includes topics such as: mineral and rock identification, earthquakes, plate tectonics, history of geological and evolutionary change, volcanism, climate change and geomorphology. 

New Geo-Tech Certificate

Check out our new Geotech Certificate! The Geotech Certificate will allow students to qualify for entry-level positions in the geotechnical sector.

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Geologists in the Field

What can you do with a degree in the Geo-tech?