Alerti - Earthquake & Tsunami
SyncTechno Inc. Weather iPhoneiPadiPod touch
Alerti - Earthquake & Tsunami is a free Weather app for iPhone and iPad by SyncTechno Inc. Requires iOS 15.1. Updated July 30, 2026.
- Price
- Free
- on the App Store
- Size
- 39 MB
- Age 4+
- Updated
- Jul 30
- 2026 · v1.1.0
Screenshots
About Alerti - Earthquake & Tsunami
Alerti delivers earthquake and tsunami notifications based on your location, sourced directly from official seismic and tsunami monitoring agencies across the Asia-Pacific and beyond. DATA SOURCES Earthquake monitoring: • USGS (U.S. Geological Survey) — global coverage • KMA (Korea Meteorological Administration) — South Korea • JMA (Japan Meteorological Agency) — Japan • CWA (Central Weather Administration) — Taiwan • BMKG (Badan Meteorologi, Klimatologi, dan Geofisika) — Indonesia Tsunami monitoring: • PTWC (Pacific Tsunami Warning Center / NOAA) — Pacific Ocean • JMA — Japan coastal regions • KMA — Korean coastal regions Alerti polls these official sources frequently and sends a push notification when a new event is published. Detection and delivery times depend on the originating agency. FEATURES Home Feed • Live list of unconfirmed and confirmed events • 24-hour activity timeline • Pull-to-refresh Interactive Map • View epicenters, intensity, and affected regions • Tap any event for detailed information Event Detail • Magnitude, depth, and distance from your location • Seismic intensity and magnitude type • Tsunami wave height and arrival window (when available) • Station count, source agency, and affected regions • Step-by-step response guidance with visual pictograms • Localized district-zoom map of the impact area Customizable Alerts • Toggle earthquake and tsunami alerts independently • Set a minimum magnitude threshold (1.0 to 6.0) • Choose alert radius from 10 km to 1,000 km • Configure sound and vibration • Schedule quiet hours Safety Reporting • "I'm Safe" button on event detail screens Languages Available in English, 한국어, 日本語, Bahasa Indonesia, Tiếng Việt, Filipino, and ไทย. Other • Dark mode • Severity classification (Critical / Advisory) based on your magnitude threshold; tsunami events are always Critical LOCATION USE Alerti requests your location only while the app is open. It is used to compute distance from epicenters and decide which alerts are relevant. Your location is never shared with third parties. IMPORTANT Alerti is an informational app. It is not a substitute for official emergency warning systems issued by government agencies, such as J-Alert, ShakeAlert, or national Emergency Alert broadcasts. During a disaster, always follow guidance from local authorities. Support: [email protected] Website: https://www.synctechno.com
What’s new
Version 1.1.0 · Updated 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.
App privacy
The developer, SyncTechno Inc., reported these privacy practices to Apple.
Data Linked to You
The following data, which may be collected and linked to your identity, may be used for the following purposes:
- Location: Coarse Location
- Contact Info: Email Address, Name
- User Content: Other User Content
- Identifiers: User ID, Device ID
- Usage Data: Product Interaction
Used for: App Functionality
Alternatives to Alerti - Earthquake & Tsunami
Looking for apps like Alerti - Earthquake & Tsunami? Here are 6 similar apps on the App Store. The highest rated is EarthquakeHelper (5.0/5), and 4 of the 6 are free to download.
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Tsunami Shield
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Tsunami-Watch
1.0
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QuakeSense Earthquake Map
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Namadu Epicenter Viewer
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EarthquakeHelper
5.0
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Tremor - Earthquake Tracker
5.0
| App | Rating | Price | Last updated |
|---|---|---|---|
| Alerti - Earthquake & Tsunami | – | Free | July 30, 2026 |
| Tsunami Shield | – | Free | Jul 11, 2026 |
| Tsunami-Watch | 1.0 / 5 (1) | Free | Aug 11, 2026 |
| QuakeSense Earthquake Map | – | 2.99 USD | Jul 1, 2026 |
| Namadu Epicenter Viewer | – | 0.99 USD | Mar 23, 2025 |
| EarthquakeHelper | 5.0 / 5 (1) | Free | Mar 3, 2026 |
| Tremor - Earthquake Tracker | 5.0 / 5 (5) | Free | Jul 22, 2026 |