Terms of Use
Last updated: March 2026
Acceptance
By using PlainQuake, you agree to these terms. If you disagree, please discontinue use.
Data Accuracy
PlainQuake presents data from the USGS Earthquake Hazards Program. While we strive for accuracy, we make no warranty that data is complete, current, or error-free. Data is provided "as is" for informational purposes only.
Not Emergency Information
PlainQuake is not a government agency and does not provide emergency alerts. For earthquake warnings and safety information, contact your local emergency management agency or visit the USGS.
Intellectual Property
The underlying data is public domain (U.S. government work). Our presentation, design, and analysis are copyrighted. You may not scrape, reproduce, or redistribute our pages without permission.
Contact
Questions? Contact [email protected].