Felt reports at large distances of the earthquakes in non-seismic Kaliningrad inwest Russia

Gregersen, S., Mäntyniemi, P., Nikonov, A. A., Aptikaev, F. F., Aleshin, A. S., Assinovskaya, B. A., Pogrebchenko, V. V., Guterch, B., Nikulin, V., Pacesa, R., Wahlström, R., Schweitzer, J., Kulhanek, O., Holmquist, C., Heinloo, O., Puura, V.