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GC180ZP

Earthcache Towsley Canyon Landslides
A  cache by EMC of Northridge, CA       Hidden: 12/19/2007  
Size: Size: Not chosen (Not chosen)      Difficulty: 1 out of 5      Terrain: 1 out of 5 (1 is easiest, 5 is hardest)

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N/S ? ??.??? W/E ??? ??.???  []
In California, United States

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Landslides take place when dirt, pebbles, rocks and boulders slide down a slope together. Sometimes these landslides are small, and hardly noticeable. Other times however, they can be substantial, involving the entire side of a mountain. 



These destructive slides can be triggered by a number of different causes. Often rain, which adds additional weight to the side of a slope can cause slides. Other times they might be caused by erosion, as the base of a slope is slowly removed by a stream, weakening the entire side of the mountain.

As a slide progresses down a mountain slope, it can pick up tremendous speed, and energy. Some slides have been reported to travel at speeds approaching 200 miles per hour. The resulting winds can be so forceful, that they are known to strip the leaves off of surrounding trees. The momentum of falling material has been known to cause some of the materials to roll several hundred feet back up the other side of a valley.
The amount of material moved in a landslide can be tremendous. In some cases this material is so substantial, that it is measured in cubic miles. This much material falling across a stream, can be the cause for the formation or a new natural lake.

From the posted coordinates, you can see a small number of much less dramatic landslides to the north. These may have been caused by earthquakes, but more likely by rain. The abundant revegetation suggests that these are at least several years old.

Logging Requirements
1 - post of photo of yourself at the site
2 - send me the answers to the following questions: How many landslides do you see? Compare the two closest ones. How does the length of the landslide relate to the steepness of the slope?

Many thanks to TerryDad for helping me establish this Earthcache!
Source & Photo:
- www.kidsgeo.com/geology-for-kids/0071-landslides.php


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La Conchita landslide

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 Attributes
scenic view kid friendly parking available wheelchair accessible stroller accessible blank
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 Bookmark Lists
Towsley Canyon by Tablesaw
California Earthcaches as of 05/15/2008 by Flag_Mtn_Hkrs
Alphabet Soup - California by PowerDime

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Logged Visits ( 49 total. Visit the Gallery (42 images) )

Found it48Publish Listing1

Warning. Spoilers may be included in the descriptions or links.
Cache find counts are based on the last time the page generated.


Cache Logs
 November 15 by rammd (6907 found)
Thanks, Elin, I FTF'd your other Earth Caches here, but finally got back here to get this one.

[view this log]
IMG_0066

 October 7 by Team Perks (5548 found)
Out with EMC for a quick jaunt up into Towsley Canyon. I hadn't noticed the landslides previously. Definitely cool to see them, even if some of them have gotten a bit covered by the vegetation. Thanks Elin for the fun!

[view this log]
20091007_IMG_0655

 May 30 by supertbone (3695 found)
This area is awesome. I wish I had more time to explore the area. Sent email.

[view this log]
Towsley

 May 17 by Bad Seed Bill (958 found)
Found it with my son leadfoot and brother in law. I posted a picture and will email the answers. TFTC,-Bad Seed Bill

[view this log]
 April 19 by shipwreck99 (441 found)
In tpwn from Portsmouth, Virginia.
E-mail to follow:
TFTEC........

[view this log]
Landslides
Landslide 2


There are more logs. View them all on one page

Current time: 11/22/2009 12:38:50 PM
Last Updated: 11/15/2009 10:07:15 PM
Rendered: From Database
Coordinates are in the WGS84 datum

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