That app has great potential, but it's not really ready for prime time. Its rating in Google Play is 3.1 based on over 3,500 votes.
Today, they are apologizing for a problem wherein the app reported a 6.1 quake as being located somewhere in the United States, which is not very helpful.
Other reviewers have complained that the app is a power hog that drains a phone's battery pretty quickly.
https://play.google.com/store/apps/details?id=edu.berkeley.b...