Activity 10C: Mass Wasting in California

Due Jan 24, 2021 by 11:59pm
Points 20
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Available after Jan 18, 2021 at 12am

Mass Wasting in California

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Watch the video below highlighting mass wasting in Yosemite National Park.

Which mass wasting type is common in Yosemite?
What is one of the likely causes of mass wasting in the park? Hint: consider the rock type and appearance.
How does the park geologist determine which boulders are older vs. younger?
Navigate to this USGS page Links to an external site., and watch a GIF illustrating the Mud Creek landslide which impacted Highway-1 between 2017-2018.
What type of landslide does this appear to be?
How can you tell?
Open the browser version of Google Earth Links to an external site. and fly to 34°21'53.78"N, 119°26'41.90"W. Zoom out to an eye altitude (Camera) of 1,800 ft.
What type of mass wasting is this?
- How can you tell?
This area has experienced two major mass wasting in the last 30 years (1995 and 2005). Does the area appear stable?
Why or why not?
In the browser version of Google Earth Links to an external site., fly to Portuguese Bend, CA. You will need to zoom in and out and move along the coast here.
Does the area appear stable?
What features or signs support your conclusion.