Yahoo! News Search

Technorati Searches for: Katrina | “new orleans” | “hurricane katrina”

Blogdigger Search: “hurricane katrina” | new orleans | Biloxi | Even a search for something broad like Alabama is showing the majority of posts being about the hurricane.

Blogpulse Search: hurricane katrina | Red Cross | Blogpulse Trend Report on Hurricane, Katrina and Red Cross

Ice Rocket Blog Search: Katrina | Red Cross | Alabama Katrina

DayPop Search: Katrina

Feedster Search: Katrina

Bloogz World Wide Blog Search: Katrina

Yahoo! Mindset Search: Katrina

Findory News & Blogs Search: Katrina

BlogMap Search: New Orleans bloggers are still blogging.

Finally, in the PR blogging community, a look at the Headlines from PR Weblogs group shows that the majority of posts (at this snaphot in time) are not actually about the hurricane.