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Magnitude 7.7 quake hits Alaska - USGS
Reuters MSN ^
| July 17, 2017
Posted on 07/17/2017 5:05:11 PM PDT by SMGFan
A powerful quake of magnitude 7.7 struck in the northern Pacific Ocean between the tip of the Aleutian Islands and Russia's Kamchatka, the U.S. Geological Survey said. The quake was shallow and powerful enough to trigger a tsunami but there was no immediate advisory.
(Excerpt) Read more at msn.com ...
TOPICS: Outdoors; Science
KEYWORDS: alaska; aleutians; earthquake; usgs
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To: caww
41
posted on
07/17/2017 11:18:50 PM PDT
by
Squantos
(Be polite, be professional, but have a plan to kill everyone you meet ...)
To: SMGFan; caww; rdl6989; kanawa; ETL; Western Phil
Ever since LFK started making more noise about shooting missiles and popping nuke tests, I've been monitoring four seismic stations -- strategically placed around his nuke test site:
Those stations produced nice, diagnostic "signatures" of his last test, and should do for future ones.
I spotted the first of this swarm of quakes and, from the seismic signals, called it as "near the Kamchatka Peninsula".
Now, the USGS quake map of the area shows a whole cluster near that same fault inflection -- and reports them as either, "~80 km E of Nikol'skoye, Russia" or, "~220km WNW of Attu Station, Alaska".
Actually, there are a dozen or more strung out just north of the Aleutian islands -- with one outlier on the southern side of that fault.
The weird thig is, with so many big quakes strung out in time like this, virtually every seismograph in the world is virtually black with overlapping signal traces:
For now, it will be easier for seismologists to separate out the individual seismic signals themselves-- rather than to try to decipher anything from overlapping seismograph traces...
42
posted on
07/17/2017 11:53:01 PM PDT
by
TXnMA
("Allah": Satan's alias. "Islam": Allah's assassins"; "Moderate Muslims": Islam's useful idiots.)
To: caww
Oh, it was way off on the tail end of the island chain. Thanks for the info.
43
posted on
07/17/2017 11:57:46 PM PDT
by
ETL
(Obama-Hillary, the REAL Russia-US scandal (UraniumOne Deal, Missile Defense, Nukes) See my home page)
“The quake comes shortly after a powerful spewing of ash from the Klyuchevskoy volcano in Kamchatka.”
44
posted on
07/17/2017 11:59:50 PM PDT
by
ETL
(Obama-Hillary, the REAL Russia-US scandal (UraniumOne Deal, Missile Defense, Nukes) See my home page)
To: SMGFan; caww; rdl6989; kanawa; ETL; Western Phil
45
posted on
07/18/2017 12:02:53 AM PDT
by
TXnMA
("Allah": Satan's alias. "Islam": Allah's assassins"; "Moderate Muslims": Islam's useful idiots.)
To: SMGFan; caww; All
46
posted on
07/18/2017 12:08:50 AM PDT
by
ETL
(Obama-Hillary, the REAL Russia-US scandal (UraniumOne Deal, Missile Defense, Nukes) See my home page)
To: caww
Do you have a URL you can share for data like that plot you posted of the seismograph in Laurens County? Those alternating color traces can be very helpful in sorting things out -- especially at times like this!
And that 15-minute/trace time base helps, as well...
I've been monitoring (publicly accessible) "GSN" stations -- which are, conveniently for my purposes, located in the Far East -- but are monochrome -- and use a one hour/trace timebase. Useful -- but, not elegant... '-)
47
posted on
07/18/2017 12:26:36 AM PDT
by
TXnMA
("Allah": Satan's alias. "Islam": Allah's assassins"; "Moderate Muslims": Islam's useful idiots.)
To: TXnMA; caww
Yes, it’s always good to include a link to the source. :)
Great info though.
48
posted on
07/18/2017 12:29:10 AM PDT
by
ETL
(Obama-Hillary, the REAL Russia-US scandal (UraniumOne Deal, Missile Defense, Nukes) See my home page)
To: Squantos
Eareckson Air Station - 1993
To: TXnMA; ETL
Sorry didn’t get back here til now.....that graph came from the TV station in Georgia I think...I should have posted the link...sorry....
50
posted on
07/18/2017 2:18:08 PM PDT
by
caww
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