Double click to zoom out. If it were to continue as many of the sequences of a decade ago did it will pass into washington in about a week. The red polygon is the reporting region for this map
73 Mellanie Monroe Photos & High Res Pictures - Getty Images
The black polygon is the authoritative region of the pnsn
Events inside the authoritative network are rendered as cirlces
Events outside the authoritative region but inside the reporting region are rendered as squares. We have made some comparative tremor map snapshots showing tremor locations by week of several previous northern washington ets events There is also a set of comparative density maps for the past three ets episodes. Seismo blog understanding earthquake numbers our studies of mount rainier earthquakes mount rainier earthquake swarm of july, 2025 update as of july 31
Summary information for this swarm bob crosson has passed away the founder of the pnsn, professor emeritus robert (bob) crosson died on april 29 at age 86. The plots are generally ordered from north to south. The pnsn is the authoritative seismic network for washington and oregon state. Quick links earthquakes seismograms volcano seismicity data & products tremor research outreach about
