This web page was just brought to my attention:

http://www.quakecasts.com/

Anyone know the group behind it? It says it's based in South Dakota, but all their mapped equipment is west of that, mostly standard GPS stations.

Quite a disclaimer:

EWI makes no express or implied warranties, guarantees or affirmations that earthquake information will occur or has occurred as the reports, forecasts, graphics, data, briefings or information comprising the Site, products or services state, represent or depict and EWI shall have no responsibility or liability whatsoever to Subscriber or any other person or entity, parties and nonparties alike, for any inconsistency, inaccuracy or omission for earthquakes or events predicted or depicted, reported, occurring or occurred.

John