Since the Indonesia 9.0, there have been major earthquakes on nearly active fault surrounding the Ring of Fire other than:
Cascadia Subduction Zone
California Hayward-San Andres.
The quake in Napa-Sonoma and activity in The Geysers area is a small indicator of something building.
Still no real indicators of anything serious but there wasn’t any before ‘89 or Northridge.
Personally, I’m thinking Cascadia is next
I’d go with that, along with a side helping of at least one of the “big” volcanoes up there lighting off as well.