Normally earthquakes are detected with sensative instruments, under the care of trained seismologists. With the Twitter API (our Twitter API profile), the ability to detect and report quake locations may fall into anyone's hands.
Yelp continued its barrage of developer news today. The company's latest announcements include a completely redone developer program and the Yelp Fusion API that will replace Yelp's existing API over time. New API features include more pictures, content caching, autocomplete and more.