www.ndbc.noaa.gov/obs.shtml

Tsunami Potential. Click the link to go to the National Data Buoy Center to get realtime information from Pacific Ocean sensors - everyone is trying to gauge the potential impact on Hawaii, and all of the 53 nations ringing the Pacific.

West Coast & Alaska Tsunami Warning Center. Click here for the latest.

Pacific Tsunami Warning Center. Click here for detailed information on the quake and subsequent tidal wave.

Tracking the Quake. Here is a link from USGS, which taps into a global network of seismographs. Click here to go directly to the site. All the tremors seem to be clustered wiithin 200 miles of Santiago - thankfully, the most extreme 8.8 quake seemed to be centered about 150-200 miles away from the Chilean capital.

Twitter Updates. Plug in #tsunami into the search box on Twitter to get an (amazing) real-time feed of data, stories and helpful links. Here's a link provided by Steve Case, founder of AOL:

How to Survive a Tsunami. Good information to have - even though Minnesota is blessedly tsunami-free, much of the world is vulnerable to earthquakes and subsequent tsunamis. File this one away for future reference - hopefully you'll never need to use it.

This all seems a bit surreal - but I wanted to pass along some links/tools I've found in just the last hour or so. Stay tuned...