2026-09-21T20:08:49.31Z46.073833333333-122.4301666666710.42manualconfirmedUSGS1.69md1Origin/20260921222404.109143.117419Magnitude/20260921222404.109205.117420USGS18 km N of Amboy, Washingtonregion nameuwcataloguw714107211contributorID