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 | 4 | 14 | 3 |
| Mount Adams | 0 | 0 | 0 |
| Mount St. Helens | 5 | 8 | 22 |
| Mount Hood | 1 | 2 | 0 |
| Mount Jefferson | 0 | 0 | 0 |
| Three Sisters | 0 | 0 | 0 |
| Newberry | 0 | 0 | 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.
Earthquakes in the News
Parts of Christchurch will not be rebuilt
Posted by J. Vidale, 02/03/2012
NZ Stuff The soft downtown areas of Christchurch may never be rebuilt after last year's quake.

Alaska's Cleveland Volcano threatening to erupt
Posted by J. Vidale, 02/02/2012
Wired Science It's bulging (pic from 2006).

First line of tsunami defense - mangroves
Posted by J. Vidale, 02/01/2012
PR Web Not new news, but the story is proving true.

M6.2 hurts 100 people in Peru
Posted by J. Vidale, 01/31/2012
SFGate Quake-prone Peru suffers again.

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.
