Chris Goldfinger
@goldfinger300.bsky.social
Geologist, sailor, acro pilot
Here is an animation of the sequence of Cascadia and northern San Andreas earthquakes that have apparently occurred in closely spaced pairs over the past several thousand years.
www.youtube.com/watch?v=OGOg...
www.youtube.com/watch?v=OGOg...
Casc NSAF2
YouTube video by Chris Goldfinger
www.youtube.com
October 30, 2025 at 12:04 AM
Here is an animation of the sequence of Cascadia and northern San Andreas earthquakes that have apparently occurred in closely spaced pairs over the past several thousand years.
www.youtube.com/watch?v=OGOg...
www.youtube.com/watch?v=OGOg...
Big U.S. West Coast earthquakes could come as a one-two punch | Science | AAAS www.science.org/content/arti...
Big U.S. West Coast earthquakes could come as a one-two punch
Cascadia and San Andreas fault zones appear to generate synchronized earthquakes
www.science.org
October 7, 2025 at 12:50 AM
Big U.S. West Coast earthquakes could come as a one-two punch | Science | AAAS www.science.org/content/arti...
For those interested, here's a blog story about the Cascadia- San Andreas triggering paper. atquake.wordpress.com/2025/09/30/n...
New paper, direct evidence of triggering of the northern San Andreas after Cascadia great earthquakes.
Long long ago, we made a navigational error during a cruise to collect evidence of past Cascdia earthquakes. The night watch was on while the ship steamed to our southernmost point. When I got up a…
atquake.wordpress.com
October 1, 2025 at 4:03 AM
For those interested, here's a blog story about the Cascadia- San Andreas triggering paper. atquake.wordpress.com/2025/09/30/n...
New paper, direct evidence of triggering of teh northern San Andreas after Cascadia great earthquakes. doi.org/10.1130/GES0...
Unravelling the dance of earthquakes: Evidence of partial synchronization of the northern San Andreas fault and Cascadia megathrust | Geosphere | GeoScienceWorld
doi.org
September 29, 2025 at 11:02 PM
New paper, direct evidence of triggering of teh northern San Andreas after Cascadia great earthquakes. doi.org/10.1130/GES0...
Par 4 on Portland schools and earthquake hazards. www.oregonlive.com/education/20...
Is ‘drop, cover and hold on’ an outdated earthquake safety plan? Earthquakes and schools, Part 4
Some experts believe the best option for people in unstable buildings is to evacuate in an earthquake.
www.oregonlive.com
September 24, 2025 at 9:21 PM
Par 4 on Portland schools and earthquake hazards. www.oregonlive.com/education/20...
Bravo again! Part 1 of 3 article on Portland schools and earthquake risk. www.oregonlive.com/education/20...
When the Cascadia earthquake hits, which Portland-area schools could crumble? Earthquakes and schools, Part 1
What will it take to make sure Oregonians don’t find themselves pulling children from crushing brick and concrete, desperately hoping for a miracle?
www.oregonlive.com
September 17, 2025 at 9:07 PM
Bravo again! Part 1 of 3 article on Portland schools and earthquake risk. www.oregonlive.com/education/20...
Reposted by Chris Goldfinger
Donald Trump. An Apology.
The new Private Eye is out now
The new Private Eye is out now
January 22, 2025 at 8:07 AM
Donald Trump. An Apology.
The new Private Eye is out now
The new Private Eye is out now
Waldo Wakefield and I and many others made lots of dives in a little yellow sub called DELTA that looks even more like the Beatles sub than this one!
December 21, 2024 at 8:19 AM
Waldo Wakefield and I and many others made lots of dives in a little yellow sub called DELTA that looks even more like the Beatles sub than this one!
Interesting tsunami earthquake accompanying the 1957 Aleutian earthquake. www.sciencedirect.com/.../abs/pii/...
www.sciencedirect.com
December 20, 2024 at 7:32 AM
Interesting tsunami earthquake accompanying the 1957 Aleutian earthquake. www.sciencedirect.com/.../abs/pii/...
Another hard lesson... This 7.3 earthquake in Vanuatu caused partial collapse of the US embassy. Unclear how many were lost at this point. A better plan based on knowledge of the building may be to evacuate on first warning if you are on a bottom floor. See: temblor.net/earthquake-i...
December 17, 2024 at 8:08 AM
Another hard lesson... This 7.3 earthquake in Vanuatu caused partial collapse of the US embassy. Unclear how many were lost at this point. A better plan based on knowledge of the building may be to evacuate on first warning if you are on a bottom floor. See: temblor.net/earthquake-i...
Here's an interesting new article about earthquake stuff. An Oregon Emergency management person promoted Drop Cover and Hold on, but says shes getting out of her collapse hazard building if it happens! www.courthousenews.com/can-oregon-h...
Can Oregon handle a megaquake?
There’s a 37% chance that a dreaded “megathrust” earthquake will rock Oregon within the next 50 years. How is the Beaver State preparing?
www.courthousenews.com
December 15, 2024 at 12:13 AM
Here's an interesting new article about earthquake stuff. An Oregon Emergency management person promoted Drop Cover and Hold on, but says shes getting out of her collapse hazard building if it happens! www.courthousenews.com/can-oregon-h...
And another paper just out...
nhess.copernicus.org/articles/24/...
A 2700-year record of Cascadia megathrust and crustal/slab earthquakes from Acorn Woman Lakes, Oregon
nhess.copernicus.org/articles/24/...
A 2700-year record of Cascadia megathrust and crustal/slab earthquakes from Acorn Woman Lakes, Oregon
December 13, 2024 at 12:27 AM
And another paper just out...
nhess.copernicus.org/articles/24/...
A 2700-year record of Cascadia megathrust and crustal/slab earthquakes from Acorn Woman Lakes, Oregon
nhess.copernicus.org/articles/24/...
A 2700-year record of Cascadia megathrust and crustal/slab earthquakes from Acorn Woman Lakes, Oregon
New paper out today.... nhess.copernicus.org/articles/24/...
Sedimentary record of historical seismicity in a small, southern Oregon lake
Abstract. We compare event deposits from the historical portion of the sedimentary record from lower Acorn Woman Lake, Oregon, to historical records of regional events to determine if the lake records...
nhess.copernicus.org
December 12, 2024 at 9:59 PM
New paper out today.... nhess.copernicus.org/articles/24/...
Some comments on the Mendocino earthquake today on the Jake Tapper program, CNN. www.cnn.com/2024/12/05/u...
Aftershocks rattle California after 7.0 magnitude earthquake | CNN
www.cnn.com
December 6, 2024 at 10:49 AM
Some comments on the Mendocino earthquake today on the Jake Tapper program, CNN. www.cnn.com/2024/12/05/u...
7.0 earthquake on the mendocino fault today. Strike slip, so no tsunami, warnings have been taken down.
December 5, 2024 at 9:30 PM
7.0 earthquake on the mendocino fault today. Strike slip, so no tsunami, warnings have been taken down.
An exciting PhD opportunity has come up w/ the Ngā Ngaru Wakapuke program in"Understanding earthquake sequences using near- and on-fault
paleoseismology on the western Marlborough Fault System". To work with leading paleoseismologists from VUW (J Howarth) & GNS. Contact k.clark@gns.cri.nz for pdf
paleoseismology on the western Marlborough Fault System". To work with leading paleoseismologists from VUW (J Howarth) & GNS. Contact k.clark@gns.cri.nz for pdf
November 24, 2024 at 9:43 PM
Seattle is moving, abeit glacially, toward retrofit requirements for URM buildings. Here is a boring but useful update. www.youtube.com/watch?v=5LuF...
Seattle URM Retrofit Program Update 20241016 1800 1 1
YouTube video by SDCI
www.youtube.com
November 21, 2024 at 12:08 AM
Seattle is moving, abeit glacially, toward retrofit requirements for URM buildings. Here is a boring but useful update. www.youtube.com/watch?v=5LuF...
Here's a repost of an ongoing topic...Oregon schools are now required to consider this. temblor.net/earthquake-i...
Opinion: When the next Cascadia megaquake strikes, here’s what I’ll do - Temblor.net
To run, or to drop, cover and hold on. That is the question, argues earthquake geologist and Pacific Northwest resident, Chris Goldfinger.
temblor.net
November 17, 2024 at 11:04 PM
Here's a repost of an ongoing topic...Oregon schools are now required to consider this. temblor.net/earthquake-i...