Privacy Policy

Last updated: 2026-09-04

Welcome to EarthquakeAlert (地震实时播报, "we", "us", or "our"). This Privacy Policy explains how we collect, use, store, and protect your personal information when you use our website and services.

1. Information We Collect

• Account information: username and email address you provide when registering.
• Alert preferences: magnitude thresholds and monitored regions you configure.
• Usage data: check-in records, alert delivery logs, and device/access information such as IP address, browser, and operating system.
• Payment information: subscriptions are processed through WeChat Pay, Alipay, or Creem (international cards). We and our payment processors handle only the data necessary to complete the transaction and do not store your full card number on our platform.

2. How We Use Information

• To deliver real-time earthquake alerts and personalized notifications.
• To maintain, secure, and improve our services and analyze usage.
• To process membership subscriptions and related billing.
• To communicate with you when necessary (e.g., service changes, security notices).

3. Sharing and Disclosure

• Payment processors: WeChat Pay, Alipay, and Creem, solely to complete transactions.
• Earthquake data sources: public authoritative sources such as the China Earthquake Networks Center (CENC).
• Legal requirements: we may disclose information when required by applicable law or by a competent government or judicial authority.
• We do not sell your personal information.

4. Data Storage and Security

Your information is stored on protected servers with measures such as encrypted transmission and access controls. We retain your information only for as long as necessary to fulfill the purposes described in this policy.

5. Cookies and Similar Technologies

We use cookies to remember your language preference and login state. You may disable cookies through your browser settings, though some features may be affected.

6. Your Rights

You may access, correct, or delete your personal information, withdraw consent, or close your account. To exercise these rights, contact us using the information below.

7. Children's Privacy

This service is primarily intended for adults. We do not knowingly collect personal information from children under 14.

8. Changes to This Policy

We may update this policy from time to time. Material changes will be notified through website announcements or email.

9. Contact Us

If you have any questions about this Privacy Policy, please reach us through the in-site feedback or our support email.