Pacific Northwest Seismic Network

Tremor Log

Blog-like descriptions of particularly strong tremor episodes

The tremor logs are blog-like descriptions of a particular tremor episode. Most logs have been written by Steve Malone, Professor Emeritus and former Director of the PNSN. To read the log for a more recent tremor episode, select one of the icons on the right. To read an older log, as far back as 2003, select one of the links below (which takes you out of this website's structure, use the browser back button to get back here).

Archived Logs

Links to legacy plots that some of the logs refer to: the comparative weekly tremor maps and the total ETS density maps (use browser's back button to get back to this website)