Universität Hamburg's station

Please note that the time on the pictures is given in Universal Time (UTC). Add one hour for Central European Time (CET) and two hours for Central European Summer Time (CEST).

Background seismic noise

This is what background seismic noise sounds like when you play back the data at an appropriate speed:

Today:

Yesterday:

Two days ago:

Daily seismogram today

Daily seismogram yesterday:

Daily seismogram two days ago: