Latest earthquakes map and list. Tap/click on "gear icon" for options and settings.
Largest earthquakes, significant events, lists and maps by magnitude, by year, or by location.
Find past earthquakes that meet your criteria. Various output formats, and links to earthquake details.
Get real-time earthquake notifications sent to you on your phone or by email. Use real-time web services for your own applications.
Information by state, and world seismicity maps. Links to earthquake-related information for each state.
Data availability, formats, API, feeds, access, contributors.
Mistakes happen. Here are the explanations.