Earthquake Risk Calculator
Building Seismic Safety Check
Free · Designed for iPad. Not verified for macOS.
Earthquake Risk Calculator provides a comprehensive seismic risk analysis for your building's location. All features are free.
FEATURES:
• Weighted, building-specific risk score
• Worldwide Fault Database: 13,696 active fault traces from GEM Global Active Faults
• Fault Proximity Analysis: distance from your building to the nearest active fault
• Fault Map: view nearby active faults on Apple Maps
• Location-based automatic analysis — no address typing needed
• Soil class analysis (ZA-ZE)
• Building age and seismic code compliance (code timelines for 35 countries)
• TBDY 2018 seismic zone and PGA data for Türkiye
• Structure type and regularity analysis
• Actionable recommendations with estimated cost bands
• 12 languages — switch language inside the app
• PDF report sharing — save and share your report as an A4 PDF
HOW IT WORKS:
1. Find your location while inside the building
2. Select building details (construction year, floors, soil class, structure type)
3. Get your detailed risk report instantly
RISK FACTORS:
- Building Age
- Soil Class
- Fault Proximity
- Seismic Code Compliance
- Structure Type
- Number of Floors
- Structural Regularity
- Seismic Zone (Türkiye only; for other countries no reliable regional hazard data is bundled, so this factor is excluded)
This app contains ads. There are no in-app purchases.
This app does not replace a professional engineering assessment. For general informational purposes only.
Fault data: GEM Global Active Faults Database, GEM Foundation (CC BY-SA 4.0).
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
• Worldwide Fault Database: 13,696 active fault traces from GEM Global Active Faults. The nearest fault and its distance are now calculated anywhere in the world. Türkiye fault data is unchanged.
• In-App Language Selection: Switch between 12 languages under Settings > Language (Turkish, English, German, French, Spanish, Italian, Portuguese, Russian, Arabic, Japanese, Korean, Chinese). Your choice is independent of your device region.
• PDF Report Sharing: Save and share your risk report as a paginated A4 PDF. Free.
• International Building Code Assessment: Your building's seismic code compliance is now evaluated against the code timeline of the country you are in (35 countries supported).
• More Accurate Location: Province/district selection has been removed. The analysis now uses your building's exact location, with improved location accuracy.
• All features are now free.
• Fixed the construction year being displayed incorrectly (e.g. "1,994").
The developer, TAHA OGUL, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Location
- Identifiers
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Location
- Identifiers
- Usage Data
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- TAHA OGUL
- Size
- 8.5 MB
- Category
- Utilities
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - iPad
Requires iPadOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
English and 11 more
- English, Arabic, French, German, Italian, Japanese, Korean, Portuguese, Russian, Simplified Chinese, Spanish, Turkish
- Age Rating
4+
- 4+
- Contains
Advertising
- Copyright
- © 2026 Safindra Teknoloji