John's Vashon Preparedness Blog

All of John Cornelison's blogs are listed on this page chronologically. Use the Calendar or Search functions in the right column to search through time, via keyword, or look at the parent blog page to view all authors' posts.

John's Recent Blogs

By Vicky de Monterey Richoux on 9/14/2015 8:41 AM

VashonAlliedArts.org hosts an important lecturer on earthquakes, coming to Vashon in November.

By John Cornelison on 3/21/2012 9:29 AM


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When you notice a tsunami bearing down on you, you can now pull out your smartphone to learn which way to run! The Tsunami Evacuation NW online portal and iPhone and Android apps will also tell you if you work or live...
By John Cornelison on 3/11/2012 9:15 AM


imageIn “Quake catastrophe like Japan's could hit Pacific Northwest, new data show” M. Alex Johnson of msnbc.com also reports on last month’s reports at the American Association for the Advancement of Science – noting that the Cascadia quake has numerous parallels with Japan’s Tōhoku disaster one year ago.

...
By John Cornelison on 3/11/2012 8:43 AM


PNSN LogoAccording to Bill Steele, the public is woefully unprepared for a certain disaster: we just don’t know when. Mr. Steele is Seismology Lab Coordinator for the Pacific Northwest Seismograph Network (PNSN) at the University of Washington Department of Earth and Space Sciences where he has worked since 1993.

In a widely reported story (covered by USA Today and many other major papers across the country), the Longview Daily News reports...
By John Cornelison on 2/21/2012 8:41 AM


The red dots represent aftershocks from the Japan quake, which roughly trace the area that shook hardest there. Superimposed on a map of the Northwest, the result shows where the strongest ground motion is likely to strike during the next quake on the Cascadia subduction zone, the underwater fault marked by the black line. The green line is the relative location of Japan's subduction zone.  Courtesy of the Nevada Seismological Laboratory, University of Nevada, RenoJapan’s...
By John Cornelison on 1/11/2012 3:21 PM


…sometime in the next 500 years, according to a great blog a couple weeks back by the PSSN’s John Vidale, a regular contributor to their “Seismo Blog” How likely is it to go? Well you’ll have to read his blog that breaks down some of the inputs to evaluating the actual risk factor – which I think he never actually stated…

There’s a whole list of interrelated blogs on this topic which I saw after reading Ben Jervey’s nice post on the subject – which is a commentary of the NY Times post...
By John Cornelison on 1/11/2012 3:15 PM


Cascadia-Seismic-Zone1 Cascadia Subduction Zone Example: the 1700 earthquake that caused shaking and a tsunami that inundated the Oregon coast and reached as far as Japan.

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By John Cornelison on 7/9/2011 9:54 PM


imageOregon and Washington are likely to have a very serious earthquake in future decades, according to a disturbing article in the Oregonian.

“Within the next 50 years… Washington and northern Oregon face a 10 to 15 percent probability of an offshore quake powerful enough to kill thousands and launch a tsunami that would level coastal cities. … the Northwest is dangerously unprepared...

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Recent Comments

Re: What to do if you have confirmed or suspected COVID-19 or are worried that you may have COVID-19
No on ventilators. They require a paramedic to insert the tubes and at that point should be off island in a proper care facility. Low flow oxygen is easily available, but those needing it only for COVID should also be in a proper care facility.
Re: What to do if you have confirmed or suspected COVID-19 or are worried that you may have COVID-19
The large national company, Lab Corp, announced that they can do testing as of last Friday. I believe they are used by both clinics on the island. Local clinicians just do a nasal swab as I understand it and then send those in for testing. The test kits reside at the laboratory.

In addition other test facilities exist, but are unlikely to be used directly by island providers. Contact their websites and offices before you go in with any respiratory issues. Their information is likely to change frequently until more is known about the virus.

I don't know about ventilators, but will ask. Thanks for your comment!
Re: What to do if you have confirmed or suspected COVID-19 or are worried that you may have COVID-19
Will Vashon be getting testing kits soon in the hands of all doctors and first responders on island? Can the Gates Foundation help in this regard? Can we get the Neighborcare Clinic better prepared in this regard?

How many ventilators are on island? This is where critical shortages seem imminent.

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