In total, more than 130 earthquakes were registered over that period

"The strongest earthquake in the Kamchatka seismic focal zone since 1952 has just occurred," Kamchatka branch of the Unified Geophysical Service of the Russian Academy of Sciences…

Its magnitude reached 8.7 - this is the strongest earthquake since 1952 occurred in the Kamchatka region

Nine earthquakes of magnitudes 5.0, 4.8, 4.8, 5.3, 6.0, 5.2, 5.0, 5.4 и 6.0 were recorded in Kamchatka over an hour, seismologists said

In total, more than 130 earthquakes were registered over that period

The aftershock process is expected to continue for several months

The epicenter was located 279 km from Petropavlovsk-Kamchatsky at a depth of 25.9 km