Mt St Helens, the 42nd Anniversary

Timeline: Announcements: 0:00, Lecture: 3:42 , Q&A: 47:33
Mt St Helens, the 42nd Anniversary (click Show More for details)
Sheila Alfsen, M.A., Adjunct Professor of Geology, Portland State University
(presented 3/14/22)
Seminar Details/Summary:
The 1980 eruption of Mt. St. Helens in Washington was the worst US volcanic disaster in recorded history.
Geologist Sheila Alfsen will bring the event back to life, detailing its onset and eruption sequence. She will illustrate its volcanic hazards with examples from other volcanoes and comparing their relative sizes.
Sheila will discuss the advances in volcanology made as result of this eruption, and how they are used around the world to gain prediction and offer disaster mitigation.
Presenter biography:
Sheila Alfsen, MAT, GIT (Oregon State Board Geologic Examiners)
Background
Paleontology- University of Oregon, Volcanology, Oceanography
Master of Arts in Teaching, Western Oregon University
Bachelors of Arts from Western Oregon University, Geology and Spanish
Oregon resident since 1970- extensively traveled in US, particularly the Western states, Alaska, Arctic region, Iceland, Hawaii, Mexico, Puerto Rico
35 years in Education: experience in interpretation for National Park Service
Current
Instructor of Geology - Portland State University, Chemeketa Community College, Linn Benton Community College
Researcher
FEMA Earthquake Publication Reviewer
Curriculum and Course Development - Portland State University
President of Geologic Society of the Oregon Country (Portland)
Professional Consultant - Environmental Impact Statements in Paleontology for Paleontology Associates, GeoEngineers, Tetra Tech, and Natural Resource Group
Helicopter tours of Mt. St. Helens
Professional Memberships
Geologic Society of America
National Association of Geoscience Teachers Lecturer
Geologic Society of the Oregon Country - Current President and Outreach Officer
Association for Women Geoscientists Distinguished Lecturer