News archive [TCS]
2006
June 28: SOSUS is currently detecting a relatively small, but ongoing earthquake sequence at the West Valley of the northern Juan de Fuca Ridge.
April 30: Exciting News from the East Pacific Rise 9°50'N Site!!
Information obtained early this week indicates that significant new activity is occurring at the EPR 9N Integrated Studies Site (ISS). While recovering/re-deploying OBSs that have been recording seismicity at the site for several years, the pattern of problematic instrument recoveries suggested possible eruption. Water column measurements were done right away and they show strong, anomalous venting. In the context of previously known increased seismicity rates and changes in fluid chemistry over the past 2 years, the new information provides exciting indication that the site may have erupted quite recently.
February: The SOSUS hydrophone system detected a small earthquake swarm of 34 events along the Northern Symmetric segment of the Juan de Fuca Ridge.
The earthquakes began on February 28 at 0200Z and lasted for ~40 minutes.
2005
June: Creation of Swarm Fan email list
To distribute information about the real-time detection of moderate-sized earthquake swarms and tectonic events on the Juan de Fuca Ridge
March: Intense earthquake swarm on Endeavour segment
The Time Critical Studies Rapid Response Team has sprung into action, following the large earthquake swarm detected by SOSUS on the Endeavour Segment, starting Feb 27, 2005.
- Comments
- Updates from rapid response cruise
- The most recent maps and data are posted on the PMEL website
- Rapid response—scientists scramble for rare opportunity to catch an underwater volcanic eruption in action; an article by Amy Nevala at the Oceanus website