Overview
Explore a comprehensive geophysical analysis of the catastrophic 2014 Oso landslide disaster in this 22-minute conference talk from the AGU Fall Meeting. Delve into the unique characteristics of this high-mobility landslide, including its gradual onset, abrupt acceleration, and exceptional runout distance. Examine seismic data interpretations, eyewitness accounts, and numerical simulations to understand the complex factors contributing to the event's devastating impact. Investigate the role of exceptional precipitation, soil properties, and liquefaction in the landslide's behavior. Compare the Oso event to other landslides and discuss its implications for landslide hazard assessment. Gain insights into the latest research on landslide mobility and the physical processes that can lead to catastrophic outcomes.
Syllabus
Introduction
Overview
Background Information
What caused the landslide
The landslide was well known
Previous events
Deposit units
Volume
Comparison to other events
The puzzle of mobility
The sequence of events
Evidence of liquefaction
Declaw
Sequence of Events
Further inferences
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