Mappity Quakes Lite 1

the author of this app says:

Mappity Quakes Lite shows the locations of earthquakes worldwide for the last 24 hours. See exactly where earthquakes occurred with the OpenStreetMap based map view or view the most recent earthquakes as a list.

This is the free, ad-supported version of Mappity Quakes.

Features
Custom mapping based on OpenStreetMap data.
Earthquake data from the USGS.
Handy links to report earthquakes to the USGS, look them up in Google News, or see what people are saying on Twitter.

Requirements

Requires iOS 4.0 or later.