Interesting Cascadia ETS event in progress

[Emily]

This event's pattern has been a bit unusual, at least in the context of data gathered so far.

http://pnsn.org/tremor/ets-event-of-summer-2012
ETS event of Summer 2012

http://tunk.ess.washington.edu/OLD_BLOGS/compare_maps/Density.html
Tremor density by ETS

(Note: I think there's a typo in the text for the link above. "Nov 4" should be "Oct 4".

http://www.nwpr.org/post/silent-earthquakes-ripple-under-cascadia

'Silent Earthquakes' Ripple Under Cascadia
5:12 pm
Fri October 5, 2012
By Tom Banse

Parts of Washington and Oregon are in the midst of silent earthquakes this week. You can't feel this so-called "slow slip" quake and it doesn't cause damage. Still, scientists want to learn more about the recently discovered phenomenon.

Little is certain so far, but there's a possibility these deep tremors could trigger a damaging earthquake or serve as a warning bell for the Big One...