A basic syndication format supported by a variety of feed readers. This is a good option for casually subscribing to earthquake information.
Google Earth™ KML
This feed format is suitable for loading into applications that understand Keyhole Markup Language (KML) such as Google Earth™
A simple text format suitable for loading data into spreadsheet applications like Microsoft Excel™. This is a good option for manual scientific analysis.
A flexible, extensible and modular XML representation of seismological data which is intended to cover a broad range of fields of application in modern seismology.
Earthquake Notification Service
The Earthquake Notification Service (ENS) is a free service that sends you automated notifications to your email or cell phone when earthquakes happen.
Tweet Earthquake Dispatch
Tweet Earthquake Dispatch (TED) offers two Twitter accounts. On average, each account will produce about one tweet per day.