FEATURE
APOCALYPSE WHEN?
Emergency management officials are planning for the Cascadia Subduction Zone earthquake — in Redmond By Jaclyn Brandt Redmond Municipal Airport
WWW.BENDSOURCE.COM / JANUARY 20, 2021 / BEND’S INDEPENDENT VOICE
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Should a major earthquake rock Central Oregon, plans are to make the Redmond Airport the hub for aid and rescue efforts.
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regon’s beauty was created largely by the state’s rocky past: thousands of years of volcanic eruptions, wildfires and numerous large earthquakes. Although those dangers seem to be very much in the past, many continue to be real dangers. The Cascadia Subduction Zone is a constant threat to the area, and after a 2015 New Yorker article on the potential devastation an earthquake at the subduction zone could cause, the threat became very top-of-mind for many locals. The Cascadia Subduction Zone is on the edge of the Juan de Fuca Plate (the plate that makes up North America), which is also what created the Cascade Mountains and all the volcanoes within the mountain range. “The Cascades themselves are about 40 million years old, so this has been a volcanically active area for a long time,” said Julie Donnelly-Nolan, a geologist with the United States Geological Survey. “Then if you just think really much more recently, the peaks that we see every day vary in age, but [are] somewhere from tens of thousands of years old to hundreds of thousands of years old.” At its highest, the Cascadia Subduction Zone has the potential to be significantly higher on the seismic scale than even the San Andreas Fault— and therefore much more devastating. Although the earthquake could potentially devastate the western side of the state, residents in the rest of Oregon could also be affected. Deschutes County releases an Emergency Management Natural Hazards Mitigation Plan every few years, which lists the top 10 potential
(natural) dangers to the region, including winter storms, wildfires, volcanic eruptions, drought, flood and landslides. A major earthquake at the Cascadia Subduction Zone is specifically listed on the latest Natural Hazards Mitigation Plan, even though Central Oregon is so far inland, because of the potential consequences of such an earthquake Although the fault is located off the Oregon and Washington coasts, it will affect Central Oregon is a significant way. The potential earthquake could put the region in the middle of the rescue operation. The Willamette Valley is sitting on sediment, and if an earthquake hits, the highways may not be drivable. Because of this, the Redmond Munic-
The Redmond Airport, also known as Roberts Field, was identified as an incident-support base by the state of Oregon and the Federal Emergency Management Agency several years ago, and Garibay calls it a “critical component” for the rescue effort. “We’ve had several meetings with different stakeholders here with the city of Redmond and the airport and the county, state, federal agencies, FEMA and the military as far as how to best utilize Redmond airport and surrounding facilities so that clearly is on the radar and will very likely be, if not the most critical facilities in at least the initial response to Cascadia,” he explained. As part of the incident support base, the Redmond Airport will be used as a port of entry for
In the event of a large earthquake at the Cascadia Subduction Zone, emergency management officials expect a loss of power for many days, at the very least, to the Western Interconnection power grid. ipal Airport may be the closest area not directly affected. The airport is being upgraded to be the command post for the state if the earthquake happens off the coast of Oregon. A Cascadia Subduction Zone earthquake, “will be difficult to manage, even for us,” Nathan Garibay, emergency manager with Deschutes County, explained. “We’ll be proportionately much less directly affected, but our indirect effects will be significant.”
emergency relief supplies and personnel coming into Oregon to help with the recovery during a major earthquake of the Cascadia Subduction Zone, which means it will receive federal assets and federal relief efforts. “The concept of operations would be that these resources would be transported to Redmond by air, ground, maybe rail eventually, and organized using aircraft and eventually, hopefully, trucks once the mountain passes are open and
the highway infrastructure is improved to the point where they can get into the [Willamette] Valley,” Garibay said. “It would be transported into the Valley to start recovery efforts.” There will also potentially be thousands (or more) people fleeing the Willamette Valley after the earthquake, which would cause extra stress on Central Oregon and other parts of the state. Current discussions include how to best utilize Redmond Airport and surrounding facilities in the case of a devastating earthquake, to make sure they are in compliance with best practices. “We are coordinating with all the other agencies, either government, non-government or other entities that could be involved in an emergency response,” Garibay added. “We’re making those connections and building those relationships so that during a disaster or in the event of a major incident, that we’ve got some of those issues worked out and that the relationships are there to effectively manage and to respond and recover from a disaster or large scale incident.” In the event of a large earthquake at the Cascadia Subduction Zone, emergency management officials expect, at the very least, some degree of impact to the power infrastructure, and potentially a loss of power for many days to the Western Interconnection power grid Even though officials are preparing for a large-scale disaster, Garibay stresses it’s up to citizens to understand that they will be living without the comforts of life they are used to. Central Oregon will be an important aspect of supporting the emergency in the Valley, but many commodities that make it to the area come via
