The Brief
- Mount Rainier’s recent seismic swarm has surpassed 2009 records, with 391 events since July 8.
- Scientists report decreased seismic activity and no signs of magma unrest, reducing immediate concerns.
- Monitoring continues by CVO and PNSN, with a focus on fluid circulation along fault lines.
SEATTLE – The most recent seismic swarm at Mount Rainier has hit a new milestone as scientists continue to monitor activity at the volcano.
In a Friday statement, the United States Geologic Survey says the earthquake count now surpasses those recorded during the 2009 seismic swarm.
By the numbers:…