BEN FERRAIUOLO
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Seismo-Blog

Mt. Shasta 9/21/18 M2.1 Earthquake

9/21/2018

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Picture
On September 21, 2018 at 20:14UTC a magnitude 2.1 earthquake at 3.2km in depth struck directly beneath the southern base of Mount Shasta in Northern California. Seismicity over the past few years has been low so this could just be an isolated incident. Nevertheless, whenever seismic changes occur at volcanoes it is probably a good idea to monitor the area anyway.
Picture
The seismogram/spectrogram shown above is from seismic station LDL_HHZ_NC_01 and is of the magnitude 2.1 earthquake that occurred today at Mount Shasta. In the first image in this post, you can see the location of seismic station LDL. You can see blatant high frequency characteristics indicative of normal volcano-tectonic earthquakes that are seen at volcanoes worldwide. No sign of volcanic activity as of yet but still should be monitored just in case. If anything changes, I will let you know. The helicorder below is from station LDL and shows the earthquake near the bottom. Have a good day!
Picture
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    Ben Ferraiuolo is a fast learner and someone who will always stand for the truth. Visit "About Me" for more!

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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?!