UPDATED: 2022-12-20 M6.4 #earthquake near Ferndale, CA: Seismicity since M6.4 (red), the past year (cyan) and back to 1982 (blue-purple). 2022-12-20 M6.4 events may be in upper part of down-going, Gorda plate or in lower part of over-riding North American plate.
The new color scale should work (somewhat?) well with various types of color blindness, according to https://michelf.ca/projects/sim-daltonism/