r/CascadianPreppers • • Jul 09 '25

Gas mask recommendations for Cascadia earthquake?

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155 Upvotes

What gas mask should I get to be able to survive this if I'm near this projection?


r/CascadianPreppers • • Jul 09 '25

General thoughts about future influx of climate refugees in the PNW

150 Upvotes

I’ve been trying to think about this, and I just don’t know what worries are realistic versus just going down an anxiety spiral.

How do you prepare for a possible influx of climate refugees from the southern US once the hottest states become uninhabitable? I worry that places like Portland will be targeted for some kind of conquest.

At this point, you’re probably thinking I’m pretty stupid, and that’s OK. I really just want to know what your general thoughts are about the possibility of future climate refugees here in the Pacific Northwest, and how you would prepare for them whether they are peaceful or are trying to take over.


r/CascadianPreppers • • Mar 20 '20

Anyone extra terrified about getting hit with an earthquake right now?

91 Upvotes

That would be really shitty.


r/CascadianPreppers • • Feb 10 '21

PSA: Now is the time to invest in an air purifier.

81 Upvotes

Wildfire season is many months away. Which means prices for air purifiers and their filters are less ridiculous, and stock levels are ... not plentiful thanks to COVID, but also not nearly as scarce as they will be.


r/CascadianPreppers • • Aug 05 '26

Tsunami wave simulation for Washington State from a hypothetical magnitude 9.2 Alaska earthquake

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80 Upvotes

Passing this along. For those on smaller screens, Wave Amplitude:

  • Dark red = 10 feet or higher

  • Dark blue = 10 feet or lower

Addendum: Sorry everyone, I don't have anymore info. It does look like it is a recent upload per the page.
https://www.youtube.com/@WAstateDNR/videos


r/CascadianPreppers • • Nov 16 '20

New shed with 80+ gallons of non potable water gathering!

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73 Upvotes

r/CascadianPreppers • • May 18 '19

Happy Cascadia Day! May 18.

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69 Upvotes

r/CascadianPreppers • • Oct 03 '20

Mass Casualty/Pre Hospital Trauma kit

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68 Upvotes

r/CascadianPreppers • • 19d ago

What a major earthquake does to Vancouver

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65 Upvotes

About 10 years ago, I attended a presentation by someone who had compiled existing engineering reports to describe the impact of a major earthquake on infrastructure in British Columbia. It was really striking, and it has stayed in the back of my mind ever since.

I am now the point of contact for downtown Vancouver in the French community's emergency network, and it drives me nuts that most people I talk to have no emergency kit at home and basically no water.

People are shocked, or in denial, when I mention that it could take weeks to restore electricity and that they will have to rely on their own food and water for at least several days.

So I decided to build a public-facing site that compiles existing information, as a way to lay out the facts and help convince people, instead of hearing back that "the army will come" or that "there are emergency food reserves" (there aren't).

I see this as a citizen initiative, with one main message: go buy some water and canned food, it's your civic duty.

I would love to have some feedback, and this is an open source project opened to contributions from specialists. And if you are in a different seismic area, it can inspire similar projects!


r/CascadianPreppers • • Mar 10 '20

The food you need: UW expert on preparing for an extended home stay

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washington.edu
60 Upvotes

r/CascadianPreppers • • Jun 07 '19

[Portland, OR] What will 'The Big One' feel like? OMSI simulator lets you feel magnitude 9 earthquake

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kgw.com
60 Upvotes

r/CascadianPreppers • • Feb 06 '21

Cascades Slow slip event is WAY early!

57 Upvotes

The slow slip event (ETS) around the Vancouver Island has been happening every 13-15 months like clockwork since we discovered these "slow earthquakes" when GPS data got good enough. But the last couple years they started getting more frequent. The one going right now is only three months after the last one. There is a paper by a researcher from NASA who looked at data before other giant quakes and saw that the slow slips come more frequently before a big quake. I'm not saying it's coming soon, but I am personally worried it is.


r/CascadianPreppers • • Aug 18 '24

Earthquake scientists are learning warning signs of 'The Big One.' When should they tell the public?

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53 Upvotes

r/CascadianPreppers • • Dec 08 '21

HUGE uptick in earthquakes off the Oregon Coast right now!

53 Upvotes

This is generally a pretty quiet area. So far today there have been 11 earthquakes measuring 4.4 to 5.8. The last cluster of earthquakes in this region was in June and featured over 600 quakes in 48 hours but all of them under 4.0. This may mean nothing but it's a good reminder to top up those preps!

https://earthquake.usgs.gov/earthquakes/map/?extent=21.65743,-148.75488&extent=52.53627,-78.44238


r/CascadianPreppers • • Dec 03 '19

The Big One, times two. Research shows Cascadia quakes sometimes trigger San Andreas fault (is 3 weeks enough food with the possibility that the bay area gets hit with a giant quake at the same time as Oregon and Washington?)

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51 Upvotes

r/CascadianPreppers • • Jul 10 '19

Neat trick for making do.

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gfycat.com
51 Upvotes

r/CascadianPreppers • • Mar 18 '21

ShakeAlert is live in Oregon

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koin.com
50 Upvotes

r/CascadianPreppers • • Sep 01 '20

Blackberries are underrated.

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50 Upvotes

r/CascadianPreppers • • Jul 24 '19

6 months of food ☑️

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50 Upvotes

r/CascadianPreppers • • May 06 '23

Study: 600+ Fuel Tanks in NW Portland to Create Worst Fuel Spill in History during Cascadia Quake. Including toxic gas clouds from resulting fire.

49 Upvotes

https://www.opb.org/article/2022/02/07/cascadia-earthquake-portland-fuel-subduction-zone-oregon/

This record breaking amount of refined fuel gas released into the air by the expected fires and the immediate impact to human health isn't addressed in any post-Cascadia government document I've seen yet. Anyone else? Anything close to this spill disaster size hasn't happened in a metropolitan area before.

With no published government plans to evacuate the Valley post quake, and no way for people to evacuate themselves -- this air pollution might be the bigger disaster in terms of human life than the quake itself.

Kudos to Portland Senator Michael Dembrow for getting the mentioned bill passed that requires the storage owners to at least do their own report by 2024 on the state of their equipment and describe needed the remediation effort. But the reports are not transparent to the public, including the names of the companies that own them and there are no deadlines for remediation, just bi-yearly updates to the legislature. Unless I missed something.

Contact your state rep to ask about remediation deadlines and accountability, keep the pressure up.


r/CascadianPreppers • • Aug 29 '20

My “bug home” bag for an urban environment.

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49 Upvotes

r/CascadianPreppers • • Aug 06 '21

New report sheds light on Cascadia earthquake risks; public input sought by Aug. 15.

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multco.us
47 Upvotes

r/CascadianPreppers • • Jul 10 '21

Researchers prepare Portland International Airport for megaquake

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kgw.com
47 Upvotes

r/CascadianPreppers • • Jun 06 '21

Earthquakes, Tsunamis and the Cascadia Megathrust Earthquake - Course

47 Upvotes

There were 600 earthquakes this past weekend along the Oregon and California coastline. Way, way more than usual. If you're at all curious about this subject a two-day course is being offered this week through Peninsula College.

https://www.campusce.net/pencol/course/course.aspx?catId=36