Thursday, December 12, 2019

Next Steps: The Evolution of Yahoo Groups (Final Notification)

Sunday, December 1, 2019

[Geology2] File - Rules

Attention Group!


Rule #1 is Rule #1 on all Yahoo groups: NEVER argue with a list-owner or list-moderator! This group is a benevolent dictatorship, NOT a democracy.

Rule #2 is to FOLLOW THE GOLDEN RULE: act as you wish others to act and treat others as you would like to be treated. Failure to follow the Golden Rule will result in our not following the Golden Rule with whomever breaks said Rule.

Rule #3 is there will be ABSOLUTELY NO spamming, trolling, flaming, whining, agitating, cussing or any other anti-social behavior. Violate this rule at the peril of your group membership!

Rule #4 is this group is a POLITICS-FREE and RELIGION-FREE zone. We'll impeach/excommunicate anybody who transgresses!

Rule #5 is STAY ON-TOPIC. We allow for a little bit of flexibility but don't force us to play the heavy and have to clamp down on this behavior.

Rule #6 is AVOID IDLE ON-LIST CHIT-CHAT. Remember there are hundreds of folks on this list and thus keep your posts focused on matters that might interest/edify the group as a whole.

Rule #7 is TRIM YOUR POSTS of excess lineage. Preferably only include the previous message you are responding to if you are indeed responding to previous post(s).

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Rule #9 is IF IN DOUBT ... DON'T! If you feel posting a particular remark or item could be a problem then don't do it at all or not until you ask us FIRST!

Rule #10 is USE EMOTICONS! Doing this will cut down on misunderstandings as email is not the best way for human beings to communicate as much nuanced communication such as facial expressions and voice tone are absent in this medium.

Rule #11 is give proper attribution to other groups if you forward to this group any information or a post from another group in part or in whole. It's the courteous thing to do!



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[ Volcano ] File - ka.txt

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Wednesday, November 20, 2019

Re: California Disasters Content Reposted on VolcanoMadness Blog

Your failure to respond to my inquiry will end your membership and continued California Disasters & Geology2 theft of content to your blog which appears to be driven by your desire to increase traffic to your blog without having to create your own content. You are not helping the reputation of Nigerians in the world. You need to examine yourself.

On Tue, Nov 19, 2019 at 1:07 AM Kim Noyes <kimnoyes@gmail.com> wrote:
I am curious as to why you have been auto-redirecting my California Disasters content onto your Blogger account entitled "Volcano Madness" for over a decade. You never asked permission and yet filled your blog with my content also without giving credit. Before I take action I would like to hear your side of the story first. I'm a reasonable man.

California Disasters co-Founder & Owner


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[CaliforniaDisasters] California Disasters - Daily Summary

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On This Date In California Weather History (November 19)
By Kim Noyes
The Case for Letting Malibu Burn
By Kim Noyes
Red Flag Warnings - NorCal (11/19/2019-AM)
By Kim Noyes
After the Tubbs Fire, homes in California town are being rebuilt without strong building codes #tubbsfire
By Kim Noyes
Teacher Helps Revive the Role of Fire Lookouts
By Kim Noyes
Newsom Signs Wildfire Liability Bill, Utility Customers to Pay $10.5 Billion Into New Fund
By Kim Noyes
Bankrupt PG&E increases offer to California wildfire victims. Here's the utility's new plan.
By Kim Noyes
North Ops News & Notes Update (11/19/2019-2:10PM)
By Kim Noyes
Radio traffic - The first 2 hours of the Camp Fire in Paradise [AUDIO] #campfire
By Kim Noyes
Day of Fire - Camp Fire Lessons Learned #campfire
By Kim Noyes
Flash Flood Warnings - SoCal (11/19/2019-PM) 2
By Kim Noyes
900,000 Californians Prepare for Another Blackout Wednesday
By Kim Noyes
Oz Fires on MODIS (11/19/2019-PM PST) [ATTACHMENTS] 2
By Kim Noyes
Steps to Reduce the Risk of Wildfires in California
By Kim Noyes
Long-Term Wear Found on PG&E Line That Sparked Camp Fire [VIDEO] #campfire
By Kim Noyes
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Tuesday, November 19, 2019

[CaliforniaDisasters] California Disasters - Daily Summary

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On This Date In California Weather History (November 18)
By Kim Noyes
Protecting California Communities in the Age of Mega Fires [VIDEO]
By Kim Noyes
HAM radio operators seek greater role in emergencies
By Kim Noyes
Be Prepared: Fire Season May Just Be Getting Started in Northern California
By Kim Noyes
NSW bushfires burn through more land than any other blazes in past 25 years
By Kim Noyes
MAP: Bay Area counties to be affected by PG&E power shutoffs [INTERACTIVE MAP]
By Kim Noyes
The King Fire - A New Kind of Wildfire? [VIDEO]
By Kim Noyes
California, Sydney ... Bushfire And Climate Change Debate Rage
By Kim Noyes
PG&E officials say wildfires averted thanks to shutoffs 3
By Kim Noyes, Mark Williams, Pamela Alley
PG&E Interactive Outage Map
By Kim Noyes
See How Fast Small Fire Can Get Into Homes: Wildland-Urban Interface Fire, Initial Attack, Reno F.D.
By Kim Noyes
Is Florida the Answer to California's Fire Problem?
By Kim Noyes
Report released on the entrapment of firefighter and two civilians on Kincade Fire 2 #kincadefire
By Kim Noyes, Rick Bates, NK7I
A Contractor Died Fighting a 2016 Wildfire – His Employer Was Just Convicted of Violating Labor Laws #soberanesfire
By Kim Noyes
Red Flag Warnings - NorCal (11/18/2019-PM)
By Kim Noyes
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California Disasters Content Reposted on VolcanoMadness Blog

I am curious as to why you have been auto-redirecting my California Disasters content onto your Blogger account entitled "Volcano Madness" for over a decade. You never asked permission and yet filled your blog with my content also without giving credit. Before I take action I would like to hear your side of the story first. I'm a reasonable man.

California Disasters co-Founder & Owner

Friday, November 15, 2019

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[CaliforniaDisasters] The Blackhawk Landslide [Mojave Desert]

The Blackhawk Landslide

Posted by Dave Petley
15 November 2019

The Blackhawk landslide

The Blackhawk landslide is without doubt one of the most impressive rock avalanches on Earth.  It is located at 34.393, -116.773 in the Lucerne Valley on the escarpment that divides the San Bernardino Mountains to the south from the Mojave Desert to the north, in California.  This is a Google Earth image of the landslide source and deposit:-

The Blackhawk landslide

A Google Earth image of the Blackhawk landslide in the Lucerne Valley of California.

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As the image shows, this is a landslide on a very grand scale.  With an estimated volume of about 300 million cubic metres, the landslide extends over a distance of about 9 km from the crown to the toe, with a deposit that is up to 2 km wide and up to 30 m thick.  The fall height is estimated to be about 1,200 m in total, making this a highly mobile landslide.

The event is not recent.  Dating of the deposit suggests that it may have occurred about 18,000 years ago, although there is huge uncertainty in that date.  However, in the dry desert environment of inland California the landslide is exceptionally well-preserved, and of course the landslide mass contrasts with the valley floor, rendering the mass highly visible.

This is a landslide that is surprisingly poorly investigated.  There is a very nice PhD thesis from 1959 by Ronald Shreeve that is online, which describes the geology and mechanics of the landslide.  This was in the days in which a PhD thesis could be just 84 pages long (there are lessons to learn from that!).   Shreeve describes the geology, and tries to explain the exceptional mobility of the landslide, hypothesizing that it may have moved on a lubricating basal air layer.  There is also a nice blog article about it on the excellent Looking for Detachment blog.  Finally, there is a book chapter from 1978 about the landslide by Brann Johnson, but even the University of Sheffield subscription to Science Direct does not provide access to that one.

This is landslide that would really benefit from a revisit using up to date techniques.  There is exquisite hummocky morphology in the landslide deposit, captured well in the this 2006 Google Earth image:-

The Blackhawk landslide

Google Earth image of the Blackhawk landslide in California

.

And to me, the now dissected landslide source area suggests that this might have been quite a complex event too.  This is a Google Earth image of the landslide scar area; I have annotated the approximate boundaries of the upper part of the deposit:-

The Blackhawk landslide source

Google Earth image of the source area of the Blackhawk landslide.

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The implication appears to be a highly unusual morphology of the landslide scar.  It is not clear to me how the mechanics of this part of the landslide motion would have operated – is there a large volume of stalled material still within the scar area?

Acknowledgement and footnote

Many thanks to my friend funkenbeachin for pointing out this landslide, and for the discussions about it.  He has hypothesised that there may be other events in this area as well – take a look at the image below.    It is not hard to believe that there is more than one landslide deposit on the valley floor:-

The area around the Blackhawk landslide

Wide angle Google Earth view of the valley floor around the Blackhawk landslide


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