Instructibles: Build a PocketLab based Seismograph


Follow this link to the Instructibles website for instructions on how to build a PocketLab Seismograph. 

From the intro on Instructibles: 

Living in California, earthquakes are a part of life. Sooner or later, you'll feel one, and the first time can be pretty scary! If it's a small earthquake, which thankfully most are, it's actually hard to know for sure until you check the news later on. Sometimes a painting shakes on the wall, or a hanging lamp starts swinging, or you hear a rumbling sound - most small earthquakes are much more difficult to notice than you would expect.

In order to detect low magnitude earthquakes, we wanted to build a very sensitive Seismometer. This project was quite easy, mostly some carpentry, and the detector was a PocketLab sensor, using the magnetometer function. An iPad was used for data collection.

Robert Douthitt
Director of Curriculum and Community Engagement

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If you follow the link to Instructibles and go to page three, there is a section titled "Collecting and Interpreting the Data" that explains the results in more detail. There are a couple screenshots of the collected data. I can check to see about posting the .csv file if it's still around.