The first event registered 2.3 on the Richter scale, the second 2.1 on the Richter scale.
The signals do not resemble signals from earthquakes. They do resemble the signals typically recorded from blasts.
The signals are recorded on GEUS’ two seismographic stations on Bornholm, the station on Stevns as well as on Swedish and German stations.
The Geological Survey of Denmark and Greenland (GEUS) is responsible for monitoring and locating earthquakes and other seismological events in Denmark and Greenland.
Below are maps of the locations and the seismographic stations. Maps: GEUS and Google Maps
