Earthquake Alert! is a freely downloadable smartphone application that allows users to keep track of real-time data relating to seismic events. This bundle offers data for the United States as well as other locations around the world.
Download the app so you will be able to view the latest world earthquakes. It also has a magnitudes map where you can view the details at USGS and has push notifications and alerts.

Meant to function in a similar manner to software designed for PCs (such as earthquake-report.com), Earthquake Alert! is a practical tool. It is also a great way to learn more about the dangers associated with such destructive events.