# Sismik: Earthquake USA — Worldwide live alerts & maps > Worldwide live alerts & maps (iPhone/iPad app by ONUR KAYA.) - Source: https://appshunter.io/ios/app/sismik-earthquake-usa/id6787776158 (this page in markdown: same URL + `.md`) - Developer: [ONUR KAYA](https://appshunter.io/developer/6778129854) - Category: Weather, Utilities - Price: Free with in-app purchases - Age rating: 4+ - Requires: iOS 18.0 · 28 MB - Languages: American English, Arabic, French (France), German (Germany), Greek, Indonesian, Italian, Japanese, Korean, Brazilian Portuguese and 4 more - Released: 2026-07-08 - Data updated: 2026-11-05 ## What is Sismik? Sismik is an independent earthquake app that lets you follow earthquakes around the world in real time, receive alerts for the places that matter to you and understand the seismic risk where you live. It brings records published by AFAD, EMSC, USGS and NOA together in a single, clear feed. LIVE EARTHQUAKE TRACKING • Earthquakes from four sources in one list, updated within minutes • Filters for magnitude, time range and source, plus search by place name • Depth, distance and estimated shaking intensity (MMI) for every earthquake • USGS ShakeMap and tsunami information for supported events • For earthquakes in Europe and the Mediterranean, the actual ground acceleration and velocity recorded by seismic stations • Anonymous community indicator based on "I felt it" reports ALERTS • Free alerts for earthquakes within 50 km of a location you choose • Free alerts for major M6.0+ earthquakes worldwide • Long-press an alert to respond "Felt it" or "Didn't feel it" without opening the app LOCATION RISK PROFILE • Nearby active faults with fault type, slip rate and potential maximum magnitude • Earthquake probabilities over 1, 10 and 50 years • The strongest shaking felt in the area in the past • Earthquake history by decade and activity over the last 12 months • A personalised assessment based on your building's construction period, with preparedness tips EMERGENCY TOOLS • Call your country's emergency number with a single tap • Share an "I'm safe" or "I need help" message together with your coordinates • Emergency medical and ID cards that work offline • Whistle, two-tone siren, flashlight and SOS light signal • Nearest assembly points and safe areas, with directions • Drop, Cover and Hold On guide and an emergency kit checklist LIVE ACTIVITY AND WIDGETS • Aftershock tracking on the Lock Screen and Dynamic Island after major earthquakes • The probability of a strong aftershock over the next 24 hours • Home Screen and Lock Screen widgets in multiple sizes SISMIK PREMIUM • Follow up to 8 locations, each with its own radius and magnitude threshold • Critical alerts and custom alert sounds • An earthquake map with fault lines, ShakeMap layers and satellite view • Replay seismic activity with the time player • AI-assisted seismological analysis reports • Advanced regional statistics • Live aftershock tracking Sismik Premium is available as a monthly or yearly auto-renewable subscription or as a one-time lifetime purchase. Payment is charged to your Apple ID account at confirmation of purchase. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period, and your account is charged for renewal within 24 hours before the period ends. You can manage or cancel subscriptions in your App Store account settings. PRIVACY Sismik does not require an account and contains no ads. Your emergency medical cards are stored only on your device. IMPORTANT Sismik is not an earthquake prediction or early warning system. Earthquake data depends on how quickly the publishing agencies release it. Probability, intensity and risk values are estimates based on historical data, and AI analyses are for information only and do not replace official statements. Sismik is not affiliated with AFAD, EMSC, USGS, NOA or any government agency. In an emergency, contact your local emergency services. Privacy Policy: https://sismik-app.web.app/privacy/ Terms of Use: https://sismik-app.web.app/terms/ End User License Agreement (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Support: sismikapplication@gmail.com ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | Premium Monthly | $2.99 | per month | | Premium Annual | $22.99 | per year | **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | Lifetime Premium | $99.99 | one-time | ## Is Sismik safe? Not enough ratings yet to assess Sismik. ## Is Sismik legit? Sismik: Earthquake USA has limited verification signals. The AppsHunter Legitimacy Score for Sismik is 58 out of 100 points across 7 verification signals from App Store and developer data. ## Version history (last 5 releases) ### 2.1.7 — 2026-11-03 - Performance and stability improvements. ### 2.1.6 — 2026-10-14 • iPhone Duo support • New logo • Performance improvements ### 2.1.5 — 2026-10-12 Performance and stability improvements. ### 2.1.4 — 2026-09-25 What's New: • Tsunami warnings: get notified as soon as NOAA, JMA or BMKG issues a warning for a coast near your saved places. • Kandilli (KOERI) joins our sources, along with Japan (JMA), China (CENC), Indonesia (BMKG) and New Zealand (GeoNet): 9 official sources in total. • After a major earthquake, aftershocks update live on your Lock Screen and in the Dynamic Island, even when the app is closed. • "My location" travels with you: your alert area updates automatically as you move. • GDACS impact level: earthquakes expected to have serious impact rise to the top regardless of magnitude. • Notifications now go directly through Apple and arrive faster. ### 2.1.3 — 2026-09-24 What's new in Sismik 2.1.3: • Faster, single alerts: Every earthquake is reported from the first agency to publish it, and you no longer get two alerts for the same quake. • Redesigned notifications: Magnitude up front, place and distance at a glance. Choose a detailed or compact style, and pick a separate sound for critical alerts. • Location risk profile now works worldwide: a personal assessment based on nearby faults, past earthquakes and building age. • New map earthquake density layer, one-tap focus on major events, and "felt it" counts. • Redesigned safe places: faster loading, a list of the nearest locations, and an "I'm here" message to share your location with family. • Trapped mode, a first aid guide and a family plan in the Emergency tab, all working offline. • Weekly earthquake summary, major event mode, and Siri & Shortcuts support. • Redesigned list, earthquake detail and statistics screens with a clearer, more accurate color scale. • New languages: Greek, Portuguese (Brazil), Indonesian, Korean and Chinese (Simplified). • Performance improvements and bug fixes. ## Apps similar to Sismik | App | Rating | Price | Category | | --- | --- | --- | --- | | [QuakeAlert: Earthquake Map](https://appshunter.io/ios/app/quakealert-earthquake-map/id6785703415) | — | Free | Weather | | [Quake Desk: Earthquake Alerts](https://appshunter.io/ios/app/quake-desk-earthquake-alerts/id6770051482) | — | Free | Weather | | [Earthquake Alerts: Live Map](https://appshunter.io/ios/app/earthquake-alerts-live-map/id6795174671) | — | Free | Weather | | [Earthquake Alerts - Notify](https://appshunter.io/ios/app/earthquake-alerts-notify/id6464086762) | 5.0 (1) | Free | Weather | | [Earthquake Alerts - LiveQuake](https://appshunter.io/ios/app/earthquake-alerts-livequake/id6787654882) | — | Free | Weather | | [Earthquake Alerts & Live Map](https://appshunter.io/ios/app/earthquake-alerts-and-live-map/id6785129999) | 4.4 (14) | Free | Weather | ## More apps by ONUR KAYA - [QR Reader & Generator](https://appshunter.io/ios/app/qr-reader-and-generator/id6778129852) All apps by ONUR KAYA: https://appshunter.io/developer/6778129854 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-11-05.*