Welcome to Earthquake Archive. By accessing and using this website, you accept and agree to be bound by the terms and conditions of this agreement. These Terms of Service ("Terms") govern your access to and use of the Earthquake Archive website (the "Service").

If you do not agree to these Terms, please do not use this website. We reserve the right to modify these Terms at any time, and such modifications will be effective immediately upon posting. Your continued use of the Service after any changes constitutes acceptance of the new Terms.

Earthquake Archive is an educational and informational website that provides access to historical earthquake data sourced from the United States Geological Survey (USGS). The Service allows users to:

• Search and browse historical earthquake records from 1900 to present
• View detailed information about individual earthquakes
• Explore earthquake data by location, magnitude, and date
• Access statistical information about seismic activity

This Service is provided for educational, research, and informational purposes only.

3.1 Data Source

All earthquake data displayed on this website is sourced from the United States Geological Survey (USGS) Significant Earthquakes Database. The data is provided in accordance with USGS data policies and is considered public domain information.

3.2 Permitted Use

You are permitted to use the earthquake data available on this website for:

• Educational purposes and academic research
• Personal, non-commercial use
• Scientific study and analysis
• News reporting and journalism (with proper attribution)

3.3 Attribution

When using data from this website, we request that you provide appropriate attribution to both Earthquake Archive and the original source (USGS). Example attribution:

3.4 Restrictions

You may not:

• Redistribute or resell the data in bulk without proper attribution
• Use automated tools to scrape or download large portions of the database
• Claim ownership of the earthquake data
• Modify the data and present it as official USGS data
• Use the data for unlawful purposes

4.1 No Real-Time Data

The earthquake data on this website is historical in nature and is not updated in real-time. For current earthquake information, alerts, and warnings, please visit the official USGS Earthquake Hazards Program website at earthquake.usgs.gov.

4.2 Accuracy and Completeness

While we strive to present accurate information sourced from the USGS, we make no warranties or representations regarding the accuracy, completeness, or reliability of the earthquake data. Historical data, particularly from earlier decades, may have limitations in precision compared to modern measurements.

4.3 Not for Emergency Use

This website is NOT designed for emergency response or safety-critical applications. Do not rely on this website for earthquake warnings, emergency notifications, or safety decisions. In the event of an earthquake or emergency, follow official guidance from local emergency services and authorities.

4.4 No Professional Advice

The information provided on this website does not constitute professional geological, seismological, or engineering advice. For professional assessments and advice regarding earthquakes and seismic safety, consult qualified professionals in the field.

THIS WEBSITE AND ALL CONTENT, INFORMATION, AND SERVICES PROVIDED ARE OFFERED "AS IS" AND "AS AVAILABLE" WITHOUT ANY WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED.

TO THE FULLEST EXTENT PERMITTED BY LAW, WE DISCLAIM ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT.

We do not warrant that:

• The Service will be uninterrupted, secure, or error-free
• The information provided will be accurate, complete, or up-to-date
• Any errors or defects will be corrected
• The Service will be free from viruses or harmful components

TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, IN NO EVENT SHALL EARTHQUAKE ARCHIVE, ITS OPERATORS, CONTRIBUTORS, OR AFFILIATES BE LIABLE FOR ANY INDIRECT, INCIDENTAL, SPECIAL, CONSEQUENTIAL, OR PUNITIVE DAMAGES, OR ANY LOSS OF PROFITS OR REVENUES, WHETHER INCURRED DIRECTLY OR INDIRECTLY, OR ANY LOSS OF DATA, USE, GOODWILL, OR OTHER INTANGIBLE LOSSES.

This limitation applies to all claims, whether based on warranty, contract, tort, or any other legal theory, even if we have been advised of the possibility of such damages.

By using this Service, you agree not to:

• Use the Service for any unlawful purpose or in violation of these Terms
• Attempt to gain unauthorized access to any portion of the Service
• Interfere with or disrupt the Service or servers
• Use automated systems to access or scrape the website excessively
• Transmit any viruses, malware, or harmful code
• Impersonate any person or entity
• Collect or harvest any information about other users

8.1 Earthquake Data

The earthquake data is sourced from the USGS and is considered public domain information. The USGS does not assert copyright over the data itself.

8.2 Website Content

The design, layout, text, graphics, and other content created specifically for this website (excluding the earthquake data) are protected by copyright and other intellectual property laws. © 2025 Earthquake Archive. All rights reserved.

8.3 Trademarks

Earthquake Archive and associated logos and marks are trademarks or registered trademarks. You may not use these marks without prior written permission.

This website may contain links to third-party websites, including the USGS website. We are not responsible for the content, accuracy, or practices of any third-party websites. The inclusion of any link does not imply endorsement by us. Your use of third-party websites is at your own risk and subject to their terms and conditions.

We respect your privacy. This website does not collect personal information unless you voluntarily provide it through our contact form. When you use the contact form:

• We collect only the information you provide (name, email, message)
• We use this information solely to respond to your inquiry
• We do not sell, rent, or share your information with third parties
• We do not use cookies for tracking purposes

We may use standard web server logs to analyze site usage and improve the Service. These logs may include IP addresses, browser types, and access times, but do not contain personally identifiable information.

We reserve the right to modify these Terms at any time. Changes will be effective immediately upon posting to this page with an updated "Last Updated" date. Your continued use of the Service after changes are posted constitutes your acceptance of the modified Terms. We encourage you to review these Terms periodically.

These Terms shall be governed by and construed in accordance with the laws of the jurisdiction in which the Service operates, without regard to its conflict of law provisions. Any disputes arising from these Terms or your use of the Service shall be resolved in the courts of that jurisdiction.

If any provision of these Terms is found to be invalid or unenforceable by a court of competent jurisdiction, the remaining provisions shall continue in full force and effect. The invalid or unenforceable provision shall be replaced with a valid provision that most closely matches the intent of the original provision.

If you have any questions or concerns about these Terms of Service, please contact us: