EngGuide

SCARY Long Period Tremor felt over 2,800 mile area? WHAT?! Yellowstone??

A strong long period tremor appeared on Montana Tech long period graphs around 3:00UTC 11-28-17. I then checked the appropriate ANSS stations and noticed this same tremor was felt on over 60 monitors over a 3,000 mile distance from Wrangell Island, Alaska, to Corbin, Virginia. I have no clue how this is possible, but apparently the tremor increased and decreased at the same times on all 60 graphs therefore showing it is the same tremor. As of 11/30/17 20:00UTC, the tremor is picking up again. And again, is felt the strongest in the NorthWest United States, especially south Alaska.
I encourage everyone to do some digging of your own and I have contacted USGS about this and, to no surprise, still no answer. Also a rare 5.1 hit Delaware today and of course was downgraded by the USGS as usual. Something is going on and a new microquake swarm has started at Yellowstone. Lots of deep long period events and volcanic quakes occuring as well that are not being reported. Thank you for watching and God bless! Let us hope this comes to nothing, but according to the waveforms, something is really shifting underneath our feet. Could this be connected to the large booms we have been hearing?

If anyone would like any seismic or uplift data from my new archive for a certain day or week, email me at benferraiuolo@yahoo.com. I have seismic and uplift data for Yellowstone (isthisthingon.org has an archive that is better), Three Sisters (goes back to 8/26/17), Mt. Hood (goes back to 8/1/17), Mt. Shasta (goes back to 8/26/17), Mt. Rainier (goes back to 7/30/17), and Long Valley caldera (goes back to 7/30/17). IF YOU DO NOT receive a reply within 4 days, please leave a comment for me on one of my videos and resend the email.
-Resources:
- ANSS Stations and Plots: https://earthquake.usgs.gov/monitoring/operations/network.php?virtual_network=ANSS
-USGS Volcanoes: https://volcanoes.usgs.gov/index.html (Simply select your volcano at the top of the page and then click monitoring. Can monitor tilt, seismographs, gps uplift, etc)
-Mt. Pinatubo Publication: https://pubs.usgs.gov/pinatubo/ramos/
-Pacific NW Seismographs: https://pnsn.org/seismograms/map
-Pacific NW Spectrograms: https://pnsn.org/spectrograms
-Montana Tech Seismographs: http://mbmgquake-eidsserver.mtech.edu/welcome.html (LKWY is 7th from the bottom.)
-University of Utah Seismographs: http://quake.utah.edu/earthquake-center/heli-map (Their graphs no longer read low-frequency events. Montana Tech graphs are the only graphs left in the area that can.)
-LKWY (Lake Yellowstone) LHZ seismograph: https://earthquake.usgs.gov/static/earthquake-network-operations/Seismic_Data/telemetry_data/LKWY_24hr.html
-Yellowstone Seismograph Daily plus Archive: http://isthisthingon.org/Yellowstone/daythumbs.php (Uses University of Utah seismographs; great tool nonetheless)
-Old Faithful Live Webcam: https://www.nps.gov/features/yell/webcam/oldfaithfulstreaming.html
-USGS Earthquakes: https://earthquake.usgs.gov/ (Scroll down and click “earthquakes” then click” earthquake catalog”, amazing tool)
-UNAVCO Borehole Strainmeters: http://www.unavco.org/data/strain-seismic/bsm-data/bsm-data.html (click on plots; includes spectrograms; data is for previous day; Yellowstone stations: B206, B207, B208, B944, and B950)
-UNAVCO Tilt Meters: http://www.unavco.org/data/strain-seismic/tilt-data/tilt-data.html (click on plots)
-California Seismographs: https://earthquake.usgs.gov/monitoring/seismograms (some in the Long Valley caldera area)
-GSN Heliplots: https://earthquake.usgs.gov/monitoring/operations/heliplot.php?virtual_network=GSN
-USGS Heliplots: https://earthquake.usgs.gov/monitoring/operations/heliplot.php
- http://earth.nullschool.net (goto where you want, click “earth”, click “chem” mode, click SO2sm to see sulfur dioxide ground emissions)

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