Six earthquakes of magnitude 2.4 occurred before yesterday, 23 June, on the northern shore of Yellowstone Lake. Tremors were recorded in the 36-37 km north-east of the Old Faithful geyser. The epicenters of earthquakes occur at a depth of 2 to 4 km.

Recall that on 13 June a series of six aftershocks of magnitude from 0.6 to 4.3 was recorded in the north-western borders of Yellowstone Park.