Seismos: Earthquake Monitoring is a free iPhone app developed by Duc Son Nguyen. As the name suggests, it provides worldwide earthquake data and alerts in a convenient and accessible way.

With Seismos, users can receive push notifications based on their location, region, country, and/or magnitude level. This ensures that they stay informed about any earthquakes happening in their area. The app also offers an earthquake search feature with customizable filters, allowing users to find specific earthquake information.

One of the standout features of Seismos is its ability to export and share earthquake data. Users can easily share earthquake information with others, whether it's for research purposes or simply to keep friends and family informed.

Seismos provides earthquake data from multiple sources around the world, ensuring comprehensive coverage. Users can choose between a compact list-like view or a combined world map to visualize the earthquake data.

The app also offers guides and useful resource links for users who want to learn more about earthquakes and earthquake monitoring. Additionally, Seismos supports multiple languages, including English, French, German, Indonesian, Japanese, Korean, Spanish, Portuguese, Russian, Turkish, Vietnamese, and Chinese.

Overall, Seismos: Earthquake Monitoring is a reliable and feature-rich app that provides users with worldwide earthquake data and alerts. Its customizable notifications, search filters, and exportable data make it a valuable tool for anyone interested in earthquake monitoring.