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Receive real-time earthquake and tsunami alerts based on your location. Access detailed event information, interactive maps, and customizable notification settings. Includes safety guidance and reporting features.
✓Location-based seismic alerts
✓Tsunami notifications
✓Interactive event map
✓Customizable alert thresholds
✓Safety reporting feature
✓Multi-language support
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What's New in Alerti
1.1.0
July 30, 2026
Alerti 1.1.0 Update View the 10 latest disaster events worldwide and receive INFO notifications regardless of your current location. Notifications now provide clearer essential information, including the affected area, magnitude, and intensity. When regional intensity data is available from the reporting agency, it is visualized on the map with intensity-based colors and a legend. Available tsunami risk information, including expected wave height, is displayed on the map and event details. Improved current-location display and location controls on the map. Evacuation action pictograms are now available in the response plan. Alerts and disaster information follow the app language, while event times are shown in the device’s local time. Improved alert severity classification and notification content. Added the custom disaster notification sound and in-app update guidance. Improved overall security, stability, and usability.
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FAQ
What is Alerti?
Alerti is a free application that provides real-time earthquake and tsunami notifications based on your current location. It pulls data from official seismic and tsunami monitoring agencies to keep you informed.
Does Alerti have ads?
No, Alerti is completely ad-free. You can receive alerts and access all features without any interruptions from advertisements.
How often is Alerti updated?
Alerti was last updated on July 30, 2026, with version 1.1.0. The app frequently polls official sources for new event data, ensuring timely notifications.
What devices support Alerti?
Alerti is available for iPhone and iPod devices. It is designed to provide critical safety information on the go.
Can I customize Alerti notifications?
Yes, you can customize alerts by toggling earthquake and tsunami notifications independently, setting a minimum magnitude threshold, and defining an alert radius from 10 km to 1,000 km.
Is Alerti suitable for children?
Alerti has an age rating of 4+, making it suitable for younger users. The app provides clear safety guidance with visual pictograms.
What data sources does Alerti use?
Alerti uses data from official agencies like USGS, KMA, JMA, CWA, BMKG for earthquakes, and PTWC, JMA, KMA for tsunamis, ensuring reliable and accurate information.
How does Alerti use my location?
Alerti requests your location only when the app is open to calculate your distance from epicenters and determine relevant alerts. Your location is not shared with any third parties.