(Formerly numbered 228.) Lecture, four hours; outside study, eight hours. Requisite: course 120. Geologic characterization of soil and rock units. Relationships developed between landforms, active, past, and ancient geologic processes, ground and surface water, and properties of soil and rock. Geohazards associated with climate change, wildfires, landslides, volcanism, and earthquakes. Effects of geologic processes on civil infrastructure and risk assessment procedures to promote resilience. Concurrently scheduled with course C128. Letter grading.