Hi Meghan, thanks for your post and your sharp eye. This is not emerald ash borer but another beetle species in the same family, Buprestidae. This looks like the green flatheaded pine borer, a native insect that is not considered a pest.
For more info on EAB, you can take a fun, free, short online course through OSU. Check it out:
http://pestdetector.forestry.oregonstate.edu/pests
Thanks again for your report and your care for Oregon's natural resources.
-Wyatt

Wyatt Williams
July 17, 2019, 1:07 a.m.