QCN is Moving to CalTech in June

The QCN project servers will be moving to CalTech and will be hosted in the Division of Geological and Planetary Sciences (GPS). The exact dates are uncertain but it will probably be in early June. All of us on QCN wish to thank the staff at CalTech for hosting us!

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Watch the informational videos!

We understand the Quake Catcher Network can be confusing, but don't worry because we've made some animated videos to explain how it all works!

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Check out the new sensors!

The new O-NAVI sensors have been received and are ready to ship!

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Regional Arrays & Free Sensors

You can receive a free sensor to monitor for earthquakes if your computer is within one of our regional arrays.

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The Quake-Catcher Network

The Quake-Catcher Network is a collaborative initiative for developing the world’s largest, low-cost strong-motion seismic network by utilizing sensors in and attached to internet-connected computers. With your help, the Quake-Catcher Network can provide better understanding of earthquakes, give early warning to schools, emergency response systems, and others. The Quake-Catcher Network also provides educational software designed to help teach about earthquakes and earthquake hazards.


A small and low maintenance motion sensor is installed along with the free QCN software.more info →


Sensor data reveals near real-time readings of earthquake locations, and magnitude.
more info →


Host computers upload their sensor data directly to the online QCN network to be processed.more info →

San Francisco Bay Area Residents! Sign up here!


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Interested in participating? Download the software and join the network! You can also sign up for our contacts list or donate a sensor to a K-12 school. Or request a sensor.