From the idea that there may be some relationship with these two things, this experimental earthquake detector was born. [Bob Davis] built this device, which uses an Arduino and several Hall ...

[Andrea] built a seismic wave detector that warns of a possible impending earthquake. Because P waves travel much faster than the “make everything shake” S waves, building a device that ...

The term seismograph usually refers to the combined seismometer and recording device. The first known earthquake detector was invented in 132 A.D. by the Chinese astronomer and mathematician Chang ...