The map to the left shows possible earthquake records from recent earthquakes (last three months). Select a sensor or earthquake to view the seismograms recorded by QCN.
*Yellow quakes reported by the USGS.
Many records are just noise. Can you tell the difference between noise and a real earthquake? (Examples Here.)
Zoom in: double-left-click on an empty portion of the map.
Interpreting the Waveform Image:
Units: m/s/s is acceleration.
Note: Sensor locations may be accurate to 1km (for privacy).
The information contained on this page is not intended for official use. This is a scientific project aiming to validate the methods used to produce these data. For official earthquake characterization, please obtain the appropriate information from your national earthquake program or the USGS.