Tremor - Earthquake Tracker

Fortynine and a Half Labs

Contains adsIn-app purchases

About this app

Tremor delivers real-time earthquake alerts the moment the ground moves — anywhere on Earth.

Whether you're checking on a quake near home or tracking seismic activity across the globe, Tremor gives you instant access to live earthquake data from USGS and EMSC, displayed on a stunning 3D globe map.

INTELLIQUAKE
Tap any earthquake and get instant plain-language explanations of what the numbers mean - magnitude scale, depth impact, and what the shaking would feel like at your location. Learn the science behind every event.

LIVE EARTHQUAKE MAP AND FEED
Watch earthquakes appear in real time on a cinematic globe map. Color-coded by magnitude, with depth and intensity data at a glance.

SMART ALERTS
Define custom regions anywhere in the world and get notified when earthquakes strike there — perfect for keeping tabs on family, travel destinations, or seismically active zones.

DETAILED EVENT DATA
Every earthquake includes magnitude, depth, location, felt reports, and ShakeMap intensity data — all in a clean, readable format.

WORLDWIDE COVERAGE
Data sourced from USGS and EMSC - the most comprehensive real-time seismic networks on the planet.

TREMOR PRO
Upgrade to Pro for unlimited Smart Alert regions, priority notifications, and an ad-free experience.

Know when the ground moves.

What’s new

Tremor v1 (1.0.0)