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Strong M7.8 from Alaska disrupts shortwave radio

Discussion in 'Ham Radio Discussions' started by VE7DXW, Jul 22, 2020.

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  1. VE7DXW

    VE7DXW XML Subscriber QRZ Page

    A severe outbreak of strong earthquakes disrupts shortwave radio services throughout the world. The quake frequency slowed down now, but the ionosphere is weak and propagation is poor, as we file this report.

    M5.4 221 km W of Tofino Canada 2020-07-22 11:33 10.0 km
    M5.1 69 km S of Sand Point Alaska 2020-07-22 11:02 35.46 km
    M4.5 134 km SSE of Perryville Alaska 2020-07-22 10:18 17.6 km
    M4.7 Alaska Peninsula earthquake 2020-07-22 10:08 34.8 km
    M4.8 Volcano Islands Japan region 2020-07-22 10:00 10.0 km
    M5.8 72 km E of Sand Point Alaska 2020-07-22 08:13 36.71 km
    M5.1 90 km WSW of Port-Olry Vanuatu 2020-07-22 07:30 47.86 km
    M5.7 123 km SE of Sand Point Alaska 2020-07-22 06:20 26.21 km
    M6.1 103 km ESE of Sand Point Alaska 2020-07-22 06:16 17.67 km
    M7.8 105 km SSE of Perryville Alaska 2020-07-22 06:12 28.0 km


    upload_2020-7-22_17-16-10.png

    Interesting is the fact that the 80 m was experiencing "spikes" 3 h before the eruption.

    Go to our website to sign up for our daily propagation report based on earthquakes.


    What did you experience or are still disrupted by this event? Your civilized comments are welcome!


    Alex - VE7DXW
    Jul. 22 2020 17:32 UTC
     
    Last edited: Jul 22, 2020
    VE7DXW, Jul 22, 2020
    #1
    N6DXN and W1TRY like this.
  2. G3SEA

    G3SEA Ham Member QRZ Page

    More importantly it did not send a Tsunami down here :cool:
    G3SEA/KH6
     
    G3SEA, Jul 22, 2020
    #2
    AJ6KZ, AD6FR, VE7DXW and 5 others like this.
  3. K9GLS

    K9GLS Ham Member QRZ Page

    Civilized...QRZ? An oxymoron. ;)
     
    K9GLS, Jul 22, 2020
    #3
    AD6FR, AJ6KZ, WZ7U and 1 other person like this.
  4. N0TZU

    N0TZU Platinum Subscriber Platinum Subscriber QRZ Page

    Wasn't there a decision by @AA7BQ that postings on this topic from the OP would no longer be featured in the NEWS forum?
     
    N0TZU, Jul 22, 2020
    #4
    N8ZI, WD4ELG, AK5B and 3 others like this.
  5. WZ7U

    WZ7U Ham Member QRZ Page

    I believe you are correct.
     
    WZ7U, Jul 22, 2020
    #5
    VE7DXW, N8ZI, K4AGO and 2 others like this.
  6. W1YW

    W1YW Ham Member QRZ Page

    As a scientist, I was banished from these threads for a month---because I posted Carl Sagan's 'baloney detector' from an explanative video. That post was removed. My voice was silenced.

    Zed is invited to re-post that deleted post from May, to see that it was purely intended as informational on ;how to detect fringe and pseudo science==and how to tell the difference between real science from these false approaches...

    Yet here is more of the same 'Earthquake propagation' issue, after a decision to ban the topic from 'NEWS'.

    Readers would cordially wish an explanation for this, not just a 'like' from W7uuu please.(see post #5).

    Thank you.
     
    Last edited: Jul 23, 2020
    W1YW, Jul 23, 2020
    #6
    N6DXN, NF6E, AK5B and 6 others like this.
  7. W7UUU

    W7UUU Principal Moderator Lifetime Member 133 Administrator Volunteer Moderator Platinum Subscriber Life Member QRZ Page

    Please refrain from comment until Fred @AA7BQ chimes in.

    Thread closed to further comment until we hear from the Boss. The last such thread turned into a train wreck.

    Just be patient - he'll be along shortly I'm sure :)

    Respectfully,

    Dave
    W7UUU
    QRZ Admin Assistant
    QRZ Moderator
     
    W7UUU, Jul 23, 2020
    #7
    N7ANN, W9JEF, AC1BZ and 7 others like this.
  8. AA7BQ

    AA7BQ QRZ Founder Administrator QRZ Page

    Okay, I’ll chime in. This does seem like tin foil hat stuff. The fancy chart tricked me into approving it into the news section.

    There is nothing wrong with this discussion apart from people attacking each other verbally.

    Please be civil. It doesn’t matter whether an argument has validity when it comes to common courtesy. If you are going to be impolite to this poster, be prepared for the moderators to take notice. Choose your words carefully.

    Every person and opinion deserves common respect. That doesn’t mean that you have to agree with the position, but you don’t get to personally attack it’s author.
     
    AA7BQ, Jul 23, 2020
    #8
    K6KNX, SA6NAN, M0TTQ and 19 others like this.
  9. W4HM

    W4HM XML Subscriber QRZ Page

    I thought Dr Sagan's BS detector was very useful.

    One time Dr. Sagan said, “Extraordinary claims require extraordinary evidence”.

    I have always liked his common sense and critical thinking.
     
    W4HM, Jul 23, 2020
    #9
    KB7GL, AJ6KZ, N6DXN and 1 other person like this.
  10. W1YW

    W1YW Ham Member QRZ Page

    I am confused--as I am sure others are as well-- about what you're assuming is happening.

    For example, is the hypothesis that earthquakes lead to changes in HF radio propagation, or is it that HF radio propagation changes indicate impending Earthquakes?

    What does it mean, in your hypothesis, for: " Interesting is the fact that the 80 m was experiencing "spikes" 3 h before the eruption(of earthquakes)."
     
    W1YW, Jul 23, 2020
    #10
    N6DXN, W1TRY, AK5B and 1 other person like this.
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