Recently i found the time to bring my seismograph back to operation. Thus i was able to record the big earthquake in Japan on Mar. 11. 2011. The following seismogram displays the first couple of minutes of the recording:
Due to the issue with my Seismograph i was not able to record the earthquake on 14. Feb. 2011 in Rhineland-Palatina which took place only ca. 100 km away from my station. It is really a pity! In addition i was not able to record the earthquake from 21. Feb. 2011 in New Zealand.
The whole article (sorry in German only - but with some photos and diagrams) can be found here.