Posted by A. Ling, 09/29/2014
Mount Ontake in Japan erupted without warning on Saturday. UW geologist George BergantzIt explains the sudden eruption of Japan's Mount Ontake on King 5 news. This type of eruption, known as phreatic eruption, is uncommon, but it could happen in Washington.
Posted by S. Malone, 09/01/2014
Posted by S. Malone, 08/24/2014
Posted by S. Malone, 08/14/2014
MarketPlace news has a report on the "controversy" between a private version of EEW and the US Geological Survey sponsored version (in which the PNSN is participating). While there are some mistakes in this report it does summarize some important issues: a cheap, semi-secret, private EEW versus a more expensive, open-information, public EEW.
Posted by S. Malone, 08/10/2014
The Seattle Times has a very good discussion of the different interpretations of deep-sea geologic evidence for the frequency and size of our big earthquakes. There is no question that they occur, just what some of the evidence for their frequency means. A more garbled view of the controversy was in the science journal, Nature, last week.
Posted by S. Malone, 07/20/2014
The iMUSH active experiment will start this Tuesday (Jul 22) night with a number of explosions being set off in boreholes in the general Mount St. Helens area. The PNSN is making available realtime seismic data from our stations for iMUSH scientists (and anyone) to monitor these shots as they occur. See the iMUSH blog entry for these realtime recordings.
Posted by S. Malone, 06/20/2014
A crew of 15+ scientists in up to 7 vehicles are installing seismic stations in the Mount St. Helens area for a two year experiment. Checkout the almost daily updates and less frequent blogs for the iMUSH experiment on its WEB PAGE (imush.org).
Posted by B. Steele, 06/12/2014
Congressman Doc Hastings (Washington's 4th District), Chairman of the House Natural Resources Committee, oversaw testimony on the importance of EEW to the Pacific Northwest.
Posted by S. Malone, 06/03/2014
LA Times interviews seismologists about recent increased earthquake activity near Los Angeles.