Small quakes in Oregon, California last Friday

Small quakes — between magnitude 3.0 and 4.1 — struck last week in both Oregon and California. The 3.5 magnitude earthquake striking in the Portland area on Friday did little damage. Same with the quakes around Fresno and Beverly Hills between last Monday and Friday. ESS‘ John Vidale stated that these quakes are not related to each other or to any other quakes around the world.