Advisor

Ansel G. Johnson

Date of Award

1984

Document Type

Thesis

Degree Name

Master of Science (M.S.) in Geology

Department

Earth Science

Physical Description

1 online resource (173 p.)

Subjects

Tiltmeter, Volcanic activity prediction, Mount Saint Helens (Wash.)

DOI

10.15760/etd.5241

Abstract

Mount St. Helens returned to an active eruptive state March 20, 1980. Since then explosive and dome building eruptions have caused major topographic changes to the mountain and surrounding drainages. Monitoring of the southern side of the mountain by six tiltmeters at distances between 6 km and 12 km was conducted during the period of July 1, 1980 to December 31, 1980. Records obtained from the tiltmeters were analyzed and compared to data from precision geodetic surveys.

Description

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Persistent Identifier

http://archives.pdx.edu/ds/psu/19061

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