BEN FERRAIUOLO
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Yellowstone Caldera, WY

May 7, 2019 - Another rapid-fire swarm at West Thumb Lake

5/7/2019

2 Comments

 
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After a month or two of almost no rapid fire swarms, Yellowstone seems to be telling us it is alive and well. I will show seismic plots, images, and even some seismic audio of this swarm. Please click the title of this post or "read more" to continue...

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Although no earthquakes have been reported for this swarm at the time of writing this, if they ever are reported they can be seen if you CLICK HERE. Also if you wish to know the locations of any stations I use in this post, please CLICK HERE. Also if you wish to skip to the seismic audio of this swarm now, please scroll to the end of this post.

It seems ever since late-April 2019, rapid fire swarms are starting to increase around West Thumb Lake at Yellowstone. This is nothing new and they still are nowhere near the power of some of the historical rapid fire swarms that occur around West Thumb Lake and Yellowstone Lake (sometimes even Shoshone and Lewis lakes). If you wish to see those historical rapid fire swarms, simply go to the "Seismic Events" menu above and go to the "West Thumb, Yellowstone Energetic Swarms" page.

Today's swarm was shorter than the one on May 4, 2019 but just as interesting. On the map above, you can see the likely swarm epicenter. I had to go off of P/S wave arrivals to determine an approximate swarm epicenter, since none of the events have been reported yet. Here are some spectrogram plots of the entire swarm for May 7, 2019 which likely struck under the northern tip of West Thumb Lake:
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The following is some information about this swarm:

May 7, 2019 swarm
 
Start of swarm: 10:52UTC
End of swarm: 11:01UTC
Info: Although the start and end of the swarm is stated above, the swarm contained 2 bursts. The first burst lasted about 4 minutes, containing approximately 18 events, and the final burst lasted about 3 minutes and contained approximately 8 events which were smaller than the events in the first burst. The start/end time above, and the total earthquake count below, is for the entire swarm (both bursts).
Total earthquake count (includes even the tiniest, unreported events): ~26 events for entire swarm
Reported count: 0 (so far)
Largest reported earthquake of this swarm: None reported yet… Largest event is likely a shallow M2.1 or so.
Largest amplitude: ~27,500 (YDD-HHZ), ~17,800 (YLT-EHZ)
Severity: Minor

Here are some helicorder plots in slideshow format from 6 of the closest seismic stations to this swarm. After that, I will detail this swarm with eight 3-plot images, also in slideshow format.
Slightly less than 10 hours before the swarm struck West Thumb Lake, a M2.5 struck at 7.7km in depth just to the west of Hebgen Lake in the West Yellowstone area.
Picture
Picture

Seismic Audio

The following is the seismic audio of the May 7, 2019 rapid fire swarm at West Thumb Lake. If you wish to view this on YouTube, please CLICK HERE. I highly suggest using headphones but be careful of the volume just in case!
2 Comments
Rico
5/8/2019 02:48:28 am

Hello Sir Ben,
I call you that way, because imo you deserve a medal for all your work. Thank you so much for informing us - it is sad to see, that the world does not pay more attention to your work, but the majority of people did obviously not learn, to focus on uncomfortable truth as well. -- God bless.

Reply
Ben
5/29/2019 12:53:42 pm

Hey there Rico! Thank you so much for the support. Yeah, not many people check out my work compared to other seismic YouTubers but views are not really a major thing. However it would be nice to get more views since I do want to get my name out there. But some people do talk about me sometimes I hear so my name is getting out there, slowly but surely.

Reply



Leave a Reply.

    About

    Please click a post title to view the data pertaining to that event!

    This is the seismic events page for Yellowstone National Park and Caldera, which resides in northwest Wyoming. Yellowstone is an absolutely massive caldera super-volcano. It sits at a shocking perimeter of 34 by 45 miles (55 by 72km) and that is only the caldera boundary! A caldera is created when land immediately erupts and collapses, while the magma chamber almost completely empties, creating a crater imprint called a caldera. Some calderas around the world are small in comparison (i.e. Kilauea) to other calderas formed by super-volcanic eruptions (i.e. Yellowstone in Wyoming or Long Valley in California).  Yellowstone is theorized to contain a magma chamber and a much deeper, much larger magma reservoir just beneath the chamber. This two-chamber system is also theorized to be caused by a "magma plume". Magma plumes are thought to draw their eruptive ability from deep within our planet, possibly from our lower mantle. That is why volcanoes caused by magma plumes are much more dangerous and far more unpredictable than their counterparts that are caused by normal tectonic forces. Yes, many volcanoes are caused by tectonic forces as one plate attempts to breach or dip beneath another one. A perfect example of this is the Cascade Range on the West Coast of the United States. Many volcanoes in the world are caused by this but some, the more unpredicatble ones, are caused by magma plumes.

    Remember to always pay attention to all chart labels! All images were generated by myself using the IRIS DMC seismic archive and the FREE seismic program S.W.A.R.M.

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  • Home
  • Yellowstone
    • Yellowstone Blog
    • 2008-2009 Yellowstone Lake Dike Intrusion
    • Rapid-Fire Swarms 2014-2018
    • Steamboat Geyser Eruptions >
      • Steamboat Eruptions 2020
      • Steamboat Eruptions 2019
      • Steamboat Eruptions 2018
  • Hawaii
    • Hawaii Blog
    • Hawaii Spasmodic Tremor
    • 2018 Kilauea-LERZ Eruptions
  • How To...
    • ...Retrieve Seismic Data
    • ...read webicorders/helicorders and seismic plots
    • ...Understand Spectrograms
    • ...USE SWARM Software
    • ...use jamaseis program
    • ...use waves program
    • ...understand UTC
    • ...Read/Create GPS Deformation Charts
    • ...use s.w.a.r.m. program (OLD)
  • Seismic Events
    • Event Examples
    • Exotic Events
    • Whale Calls
    • Cascade Volcanoes' Low Frequency Events
  • Seismo-Blog
  • Other Seismic Blogs
    • Quake Swarms
    • United States
    • East Coast, USA
    • World
  • Monthly Volcano Updates
  • Uplift/Subsidence Update
  • Videos/Multimedia
    • Newberry Videos
    • (OLD) 2019 Monthly/Yearly Updates
  • Seismic Software
    • jAmaSeis
    • SWARM
    • WAVES
  • Seismic Network Help
  • Links
  • About Me
  • Contact
  • Test Your Knowledge!
  • Lucas Andrew Ferraiuolo (Pro Pics)
  • Garbage Trucks?!