Thanks for the info, Don.

I see the USGS pulled the quake from their lists, as well as the page for it.
Fortunately I'm subscribed to the bigquake mailing list or I'd have lost the
lat/lon.

I thought that was a strange place for a quake. Looking at my sea floor topography data the continental shelf throughout that area is pockmarked like crazy. I was suspecting something like a gas burst or similar. But now that you mention a slump, yeah...those pockmarks look like they could be from slumps.

BTW, this would be a good post for the newsgroup SGE.

Brian