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I found a great teredo fossil there and all sorts of other things that fascinated me

I b lovin this

Very informative video, thank you!

i am scared of earthquakes but want to sit in middle of nature like u

AMong other things, Petroglyph Point tells the story of multiple eruptions of Mt. Shasta which can be seen in the distance.

Anybody ever seen the canyon carved by the Mt. St. Helens eruption?

Do you know anything about the coal / peet deposits on the cliffs between point wilson and north beach? They are closer to point wilson in an area that is impassable at high tide.

Really enjoyed the breakdown of your research. Do you have a link to your research? Has it been published yet?

The Hayward fault also runs directly under the Moffitt Library on the University of California, Berkeley campus

This was wonderful. I saw some old photos of PT where they were cutting into the "wall" to make the downtown fill. As a resident, I'm really concerned about it all turning to jelly in case of an earthquake. To say nothing of the bluffs coming down as well. There are now some very real concerns about bluffs on the entry to the old downtown having slides. Apparently there's a huge difference between where the bluffs approaching downtown were in 1982 when they filmed "An Officer and a Gentleman" here in PT and where these bluffs are now. I don't know if you're local, but if you are, and if you see that movie and can make a judgment on the loud of the bluffs, I'd be really interested in what you have to say.

If it creeps 5 mm a year, it should be actually possible to set up a timelapse camera observing a spot on the patio and showing the actual movement in a speeded up footage.

We need more bright young scientists like Andrew.

Your videos are so good!

Good job. You've come so far since you started your journey of making geology videos.

Andrew, you did a very nice job on describing the geology of this area.

Hey, this guy rocks!

Thanks for the great video, Andrew! Your research is fascinating to this layperson with an avid interest in geology, especially since we spent time up on Strawberry Mountain last summer. Best of luck to you and please continue producing your science based videos. They are appreciated.

How are you doing Andrew? What are you doing this Summer?

Love to have you come to Bend, Oregon and access our hazards, as it's hardly been looked at. Love your theme on your shirt in this piece.

​ @BetterGeology -"While the Bruneau-Jarbidge Caldera is part of the Yellowstone Hotspot, the Crooked River Caldera is not and predates the Yellowstone Hotspot’s first appearance by approximately 12 million years. The magma sources are different as well, and there are numerous geochemical differences between the two." The CR Caldera does predate the B-J Caldera by 17-19MA, but that doesn't disprove that CR isn't a YHS ignimbrite any more than the B-R being 10-12MA older than the current YHS ignimbrite location in Wyoming. Magma source geochemical signatures will be different due to the changes in crustal strata the magma chamber occupies. If the 29.5MA CR Caldera location were inferred by averaging the known distances of the previous 8 YHS ignimbrites, and the last known calderas in Nevada- Virgin Valley, High Rock, Hog Ranch, and unnamed calderas; West of the Pine Forest Range, Nevada; 15.5 to 16.5 Ma., the CR Caldera would be from the location the @NE bank of the Upper Alkali Lake, CA. now occupies; It's silica source would be Sierra batholith related plutons, thus a much different geochem signature from the later ignimbrites to the Northeast.

I'm sitting on it now.

I love how to the point this was. Thank you.

Keep guiding❤

There is a house and sidewalk in Hollister that is shifting on the San Andreas Fault.

What an amazing find! Great teaching tool for kids too. Touch the fault

Actually, it's very well-known what's beyond the sign at the end of the cave. I've crawled down to the very end of it myself. About 100 years ago for several months a couple local guys dug out the end and created the ditch and tailings you see through the sand. They got about 400 feet when they discovered the ceiling came down to meet the floor, which meant the end of the cave. Look, you gotta know that if there were any more to that cave it would be well-dug out and well-known. Not only has this been a tourist cave for a century or so, but this part of Oregon is crawling with cave moles like myself that don't let any leads go unexplored. . . Great video, otherwise!

Can’t they fix it like they did with Shosone Ice cave in Idaho so the ice comes back?

I lived in Freemont and now NJ. Interesting reporting and thank you. We felt a quake yesterday.

Outstanding video! I love that area.

This is AWESOME! 4,100ft below the surface is INSANE! so cool and hope to see more from you

Thank you for the informative post!

Andrew, I just subscribed and appreciate your very educational presentation!

That's a French word meaning another French word basically.

You do a fantastic job of explaining exactly what you're seeing. You could be the next geologist Bill Nye.

Thank you!

Me and friends went into the deeper part of the tube where that sign is. It widens out to a small 4 foot high cave, then shrinks down to army crawling again. Those sand areas were not fenced off, nor was the back of the cave back then. We had the smallest of our group ahead of us and told him we'd pull him out if he got stuck!

Well spoken and very interesting, thanks for sharing and keep up the good work 👍👍

Ugh. I went searching for this. specific. video... And one typo is all the excuse the algorythym needed to not bother. What a stupid site.

I think that the topic deserves a full two minutes not just a minute and a half.

This is the first I have heard of this and came here to get more info because it is being turned into a sanctuary. Thank you for this.

Andrew, I hope you will also be doing a video on Jewel Cave. So close to Wind Cave but so different.

<3

Criminally underrated channel for the quality of stuff you make. Thanks again for the educational content. Take care!

Wow, I’m so clueless because this is the first I’ve heard of Wind Cave National Park. Thanks for teaching me more about our fascinating world!

🎉❤ Great video. Fascinating subject. Cheers and thanks from England.

Wind Cave (Maka Oniye) and the rest of the Black Hills (Pahasapa) is the traditional homeland of many different indigenous tribes. The Lakota Sioux and Cheyenne were the most numerous until they were forced to move to reservations. The National Park Service does not do enough to recognize this in their interpretive exhibits, but they do maintain relationships with 21 different tribal organizations. Learn more about them here: www.nps.gov/wica/learn/historyculture/the-associated-tribes-of-wind-cave-national-park.htm

Me and a friend of mine walked all the way to the end of the cave where it's plugged with sand. That was 1977.

I like to vacation in Bodega Bay. The San Andreas runs right under the bay, up the coast to Mendocino. Some of the homes in BB are built on sand dunes right on top of the fault, and on a hillside. Hmmm. No thanks...