Every Second Counts
When a Tsunami Strikes

Over 2 billion people live on coasts at risk. Most have no warning system.

OpenTEWS aims to change that—an open-source, affordable, resilient 
early warning tower system built for the world's most remote and challenging environments.

Explore the Solution

2 Billion
people living in tsunami-prone coastal zones
230,000+​
Lives lost in 2004 Asian tsunami—mostly from lack of warning
<20%
Current coverage of at-risk populations in Southeast Asia with adequate warning systems

5 years 
MTBF target for OpenTEWS— designed for extreme reliability in remote areas

What brings you here?

University Students & Makers

Work on real subsystems. Gain experience, build your portfolio, and see your work deployed to save lives.


Explore Projects

Organizations & Governments

Deploy a proven early warning system in your coastal region. We'll guide you from pilot to full scale.

 Deployment Guide

Developers & Technical Partners

Contribute to open-source specifications. Join a community building resilient infrastructure for disaster-prone regions.

Get Involved

Impact Investors & Donors

Fund the next phase of research and deployment. Learn about our roadmap, impact metrics, and partnership opportunities.

 View Opportunity

Stay connected with OpenTEWS

Get monthly updates on progress, funding milestones, and deployment news.