Recent Earthquakes
Recent natural and manmade seismic activity. Click figure for details.
Quakes Near Volcanoes
| Volcano | Last Week | Last Month | Average Month |
|---|---|---|---|
| Mount Baker | 0 | 0 | 0 |
| Glacier Peak | 0 | 0 | 0 |
| Mount Rainier | 1 | 11 | 3 |
| Mount Adams | 0 | 0 | 0 |
| Mount St. Helens | 19 | 21 | 22 |
| Mount Hood | 0 | 3 | 0 |
| Mount Jefferson | 0 | 0 | 0 |
| Three Sisters | 0 | 0 | 0 |
| Newberry | 0 | 3 | 0 |
| Crater Lake | 0 | 0 | 0 |
The number of earthquakes located at each major Cascade volcano. The average shown is the median number at each volcano for the past 4 decades. Bold letters indicate more-than-average seismicity in the past month.
Pick your quake from host of scenarios in state
Posted by J. Vidale, 05/19/2013
Seattle Times WA Emergency Management Division and the USGS have created scenarios for some of the most feared earthquakes in Washington's future. Examine the disasters here.

Was deadly Tibet landslide natural or manmade?
Posted by J. Vidale, 04/25/2013
AGU Blogosphere Google images suggest careless mining rather than nature triggered Tibet landslide this month that killed 83 workers.

Why evacuate for an earthquake no one can feel?
Posted by J. Vidale, 04/08/2013
Italian seismologists overreact to complaints about lack of urgency in L'Aquila 2009 quake warnings BBC

Chilling forecast on Northwest quake
Posted by S. Malone, 03/15/2013
Report makes chilling forecast on Northwest quake. More than 10,000 people could die when - not if - a monster earthquake and tsunami occur just off the Pacific Northwest coast, researchers told Oregon legislators Thursday. From Seattle Times:
Latest Seismo Blog Posts
The PNSN reduces risk within the states of Washington and Oregon by
- monitoring ground motions within the region in order to better understand earthquake and volcano hazards and their impacts on the physical, economic, political, and social environment,
- providing the most accurate information about earthquakes and volcanoes as rapidly as possible to public officials, the public, and for education, and
- advocating comprehensive and cost-effective measures for reducing the harmful effects of earthquakes and volcanoes.
