What is happening In Novy Kostel, Czech Republic by Germany border? 10,000 Earthquakes in 4 days!

It seems something is happening in the Czech Republic, close to the German border.  The town of Novy Kostel has had 10,000 earthquakes in 4 days time.

Is a new volcano coming up?

The Czech Geophysics site has recorded them all.

Here is the map where Novy Kostel is located - it is the marked spot

Here is the information the Czech Geophysics site has regarding the 10,000 earthquakes:

 The activity started in the evening of 23 August and is almost continuous till now (27 August morning). Almost 10 000 events were recorded in total up to now. Already eight M>3.0 events and hundreds of M>2.0 events occurred.

Here are the pictures showing the seismos and all the quakes they have up

So what exactly is happening?

This is an area to watch what happens.  I wonder if Germany will be affected at all, since it is so close to the border?