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Focal Mechanisms Explained: What are those “beach balls”? (Educational)

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www.iris.edu/earthquake for more intro animations
Focal mechanisms are released after an earthquake to show what type of Earth movement produced the earthquake. These are typically shown using a so-called "beachball" diagram. They refer to the orientation of the fault plane that slipped and the slip vector, and are also called fault-plane solutions.
Directed by Robert Butler, geophysicist, University of Portland
Animation & graphics by Jenda Johnson, Earth Sciences Animated
Narration: Roger Groom, Mount Tabor Middle School, Portland OR
Dr. Geophysics character: Richard Blakely, geophysicist, U.S.G.S.
Music: "Constellation" by Water Strider (www.waterstride...)
"Diagonal Stride" by Fadin' by 9 (www.fadinby9.com) written & fiddled by Seth Moran, seismologist U.S.G.S.
Reviewed by Anna Courtier, James Madison University, Harrisonburg VA
For more Earth-science animations, visit www.iris.edu/earthquake

Опубликовано:

28 авг 2024

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Комментарии : 57

@Jorygun 8 лет назад

I think if I watch this 25 times I may get it. Well done, Butler, Johnson, Groom, and Blakley.

@pauloaraujo3063 Год назад

same

@bil-alak3382 19 дней назад

I watched it for the first time and got it really well. Wow. Nicely illustrated.

@kristiyansyarov3076 Год назад

Thats actually incredibly well ilustrated, thank you!!!

@FreedaJaneMadius Месяц назад

Great information and really helps build preliminary understanding of focal mechanisms, thank you so much! I really enjoyed watching this and it was extremely helpful for laymen!

@abdelrahmanali4550 9 месяцев назад

Thanks for the great video. The music got me hyped :D

@anikemajumdar4504 10 месяцев назад

Excellent explanation...sir plz make more animation videos on seismology

@songluo8692 4 года назад

Very very good!

@sayantanghosh6714 Год назад

Incredible!

@pmm1044 Год назад

Perfect

@defabreguesariane4486 4 года назад

Merci beaucoup! trop cool

@hotmeow5538 Год назад

hah, the first time i clear unterstood the watermelon graph, thanks so much

@user-wn2dg2ve6j 4 месяца назад

쑤쑤에용

@gregwilvert Год назад

The completely unnecessary music competes with your voice!

@acifu86 8 лет назад

I have never understood focal mechanism until i found out this video, thank you!!

@felixchan2147 10 лет назад

I got it!!!!!!!!!!!! I finally got it!!!!!!!!!! this thing frustrated me in the lecture so much! now im cleared! thamks!

@ysgurjar 5 лет назад

Hands down, by far the most effective video. I am just entering into field of hydraulic fracturing and and design and this video has provided me exactly what I was searching for !

@laurabinkley3897 10 лет назад

Thank-you for posting this! A very clear and concise explanation of "beach balls"!!

@lolonaut1 8 лет назад

Just perfectly explained. Thats what i needed.

@sonyasik 8 лет назад

excellent explanation! just what i needed!

@nicholasarundel9432 8 лет назад

Very well explained, thank you!

@drstrangeluv25 7 лет назад

Thanks, very straightforward.

@johnwhitman708 8 лет назад

Well explained - I might suggest lowering the volume of or not playing music, but that's just personal preference.

@IRISEarthquakeScience 6 лет назад

My fault. I can't change volume in RU-vid, but the music was lowered in the online version found here: www.iris.edu/hq/inclass/animation/focal_mechanisms_explained Thanks for commenting. Jenda (animator)

@paulahorta9229 5 лет назад

I agree!!!!!!

@J_46 4 года назад

At last I understand graphically! Thank you so much!

@kaneater1 9 лет назад

Nicely Explained

@mmerte7166 6 лет назад

Perfect explanation and great illustrations !

@hansham205 7 лет назад

This video is awesome, thank you for making it!

@udiyosovzon6620 5 лет назад

Lovely music and explanations!

@WormulonDCP 11 лет назад

An excellent introduction, cheers for the animation.

@apoorvmittal1320 9 лет назад

very nice, finally, this is understandable.

@angeluomo 5 лет назад

Fantastic job.

@alfonsomunozmartin3304 9 лет назад

Really Good explained !!

@dimashendrawan5170 9 лет назад

Keep it simple....thank you

@lucareato3521 8 лет назад

thank you, excellent video the explanation is simple and the argument is well exposed!

@jamesni8623 6 лет назад

Bluegrass music is nice and soothing.

@mttmllr 11 лет назад

Very nice, thanks IRIS.

@muhammadharitsfadillah2773 6 лет назад

Very well explained!!

@MathOmatiX7 11 лет назад

Amazing Clip !!!! Really helps to understand !!!!

@anthonyallen360 10 лет назад

I understand this at last thank you!!

@yonatangarkebo2652 5 лет назад

wonderful

@indox2691 6 лет назад

Finally i got it. Thx

@xavierortiz4478 8 лет назад

What is the music that begins at 4:22- does anyone know?

@TheTruthFadeswithTime28 10 лет назад

Thanks so much

@kingkongsdingdong5636 8 лет назад

Great explanation. Thanks man :))

@s.a.3993 5 лет назад

Nice explanation, thanks! Music is weird though (a bit loud and distracting).

@IRISEarthquakeScience 5 лет назад

As mentioned in previous comments, my fault. I can't change volume in RU-vid, but the music was lowered in the online version found here: www.iris.edu/hq/inclass/animation/focal_mechanisms_explained. Jenda (animator)