Yellowstone activity above normal- USGS.

Image Credit: Jim Peaco / National Park Service
United States Geological Survey (USGS) reported that there is increased activity in the yellowstone volcano. Last month, more than 400 earthquakes were reported in the area.
The Yellowstone supervolcano covers a 43 by 28 mile section of the Western United States. States. Its last three eruptions occurred 2.1 million, 1.3 million and 640,000 years ago with devastating consequences for the planet. While, a lot of people are worried about the next major eruption, USGS said that the amount of earthquakes in the region is not unprecedented.
While above the average for a month, this is by no means unprecedented.
USGS
The 445 earthquakes that occured in the Yellowstone region occured in four waves. In the first wave, 152 earthquakes occured in the northeast of West Yellowstone, Montana that began on June 19; another wave of 153 earthquakes struck 10 miles north-northeast of Old Faithful in Yellowstone National Park. A third wave of 52 earthquakes began on June 22, roughly 7 miles north of West Yellowstone. A fourth wave struck also near 7 miles north of West Yellowstone, where 18 earthquakes occurred starting from June 22.