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 | 2 | 3 |
| Mount Adams | 0 | 0 | 0 |
| Mount St. Helens | 5 | 27 | 22 |
| Mount Hood | 0 | 0 | 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.
Yet another rattle in New Zealand
Posted by J. Vidale, 05/15/2012
New Zealand Herald "Now THAT was a big truck going past! Monitors wobbling and people jumping under their desks here at work. Haven't felt one in ages."
Massive and rapid changes in a submarine volcano
Posted by J. Vidale, 05/14/2012
Wired The Eruption blog has a nice summary of the contortions observed on a submarine Kermadec volcano.

Detailed rupture simulation from Caltech
Posted by J. Vidale, 05/12/2012
Futurity (technical) Researchers are attempting to simulate the range of behaviors seen on the San Andreas near Parkfield, and it is not simple.

Quake-resilient balloon cell phone towers
Posted by J. Vidale, 05/10/2012
Geek In an emergency, cell towers would fly to stay above the shaking and the tsunamis.
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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.
