Welcome to Clatsop County, Oregon Aux Comm

Providing Amateur Radio Emergency and Public Service Communications Throughout Clatsop County, Oregon


Technician License Class Offered

March 23-24
Clatsop Community College Seaside Campus

More Info Here

New Local Area Net!

A CERT/MRC net will take place every Tuesday at 7:00pm on the Arch Cape repeater, 146.74

New EOC Frequency Matrix

Now available for members on Operations Documents page

Net Control Operators Needed!

Help with ARES NET on Monday evenings. It's an excellent opportunity to improve your radio skills.

Click here to contact Net Manager Robin KN0LL

Be Sure to Check the Activity Calendar for Upcoming Events!


Please remember to record your volunteer hours.

There is a 17 to 20 percent chance that northern Oregon will be hit by a magnitude-8 quake in the next 50 years.

Aug 11, 2016 | The Atlantic

For about the last 30 million years, a small tectonic plate named Juan de Fuca has been sliding under the far vaster North American plate into the Earth’s mantle. Today, this mostly happens without anyone’s notice—even though it causes minor, near-undetectable earthquakes about every 300 days—but sometimes the pressure pent up is released suddenly and catastrophically.

This is what happened on January 26, 1700. The plate slipped, and a magnitude-9.0 earthquake resulted, devastating the coast of modern-day Oregon and Washington. According to one story, an entire First Nation on Vancouver Island, the Pachena Bay people, died in flooding overnight. And the quake triggered a tsunami that rode across the Pacific Ocean for 10 hours before slamming the east coast of Japan, where merchants and samurai recorded flooding and damage.

As hundreds of thousands of Americans now know, this could happen again—except now, millions more people inhabit the Pacific Northwest. The existence of the Cascadia subduction zone, and its power to jolt the region with a “really big one,” was revealed to mass audiences last year by the writer Kathryn Schulz in a barn-blazing story for The New Yorker.

However, it now seems these coastline-altering events happen more frequently than previously thought. A team of researchers led by Chris Goldfinger, a geologist at Oregon State University, has found evidence that at least 43 major earthquakes have occurred in the last 10,000 years. That number is slightly larger than previously estimated, which means that—over the long time period—it significantly alters the likelihood of any one event occurring.


Clatsop County is exploring alternate and evacuation routes on the North Coast. By Kyle Spurr | The Daily Astorian |  July 21, 2016

Seldom used back roads outside Astoria and Seaside could offer a lifeline in a Cascadia earthquake.

Clatsop County Public Works is exploring ways to create alternate and evacuation routes and have identified several possibilities, including some that are currently gated off on private timberland.


Soldiers from the Kentucky Army National Guard practice moving a reinforced concrete block with metal bars and woodblocks at Camp Rilea’s Cascadis Rising disaster training site.By Erick Bengel  The Daily Astorian June 10, 2016

Clatsop County isn’t as far along in prepping for a Cascadia earthquake and tsunami as Tiffany Brown, the county’s emergency manager, would prefer. But that’s nothing to be ashamed of, given that the region only realized the full magnitude of the threat within the last decade.


Army National Guard HelicopterBy Erick Bengel  The Daily Astorian  June 8, 2016

On Tuesday, Columbia Memorial staff practiced setting up a field hospital in the outfield of Astoria Middle School, the agency’s designated evacuation spot for a Cascadia Subduction Zone rupture.



"Talk of Our Towns" guest host Terry Wilson talks to Joanne Rideout and Don Hillgaerter about amateur (ham) radio, the upcoming SEAPAC 2016 event at the Seaside Convention Center, the Cascadia Rising Exercise and Field Day.

Play Audio FileClick to listen now.

cascadia rising logoBy Tom Bennett  KAST Radio  May 27, 2016

This week officials from local agencies in Clatsop County held a final planning meeting for Cascadia Rising, the largest-ever regional exercise supported by the Federal Emergency Management Agency’s Region X that will include local, state, tribal and federal partners.

Cascadia Rising is scheduled to occur June 7-10 in Oregon, Washington and Idaho and will simulate the first four days following a Cascadia earthquake and tsunami.

The scenario for Cascadia Rising is a magnitude 9.0 earthquake – equal in power to the devastating earthquake and tsunami that struck Japan in 2011. Cascadia Rising will help ensure emergency response partners are working together to provide decision-makers with information to implement programs and policies that will save lives and property. The lessons learned in Cascadia Rising will be used to update local, tribal and state government, private and non-governmental organizations’ large-scale earthquake response plans.