- Oregon and Washington faults added to PNSN earthquake map
- Earthquakes happen on faults, but where are the faults in Oregon and Washington? The new "Displa...
- Exotic Events (not erotic events)
- Seismically recorded non-earthquakes now have their own page at the PNSN.
- Negative depth earthquakes?
- Why do some earthquakes in our list have negative depths now?