Re: M6.1 Sumatra thrust
Posted by heartland chris on April 16, 2009 at 05:24:44:

It was downgraded to M6.1, and the thrust focal mechanism (link) includes a nodal plane consistent with subduction.
Sieh has worked out some sequence and I saw him give a talk on this at 2007 AGU, but I can't remember details.

It looks like southern California has quieted way down the last couple of days.
Chris