It may not be the largest earthquake, but it’s certainly the second largest earthquake to hit Idaho, according to the Idaho Statesman.
They said: "The Idaho quakes are aftershocks of the March 31 M6.5 tectonic earthquake related to extension of the western USA.
This was in response to the question: "With #Idaho still trembling, could you activate the Supervolcano in #Yellowstone?".
Since the last quake, the Idaho state has been experiencing a string of aftershocks.
“The most probable cause for the 'disappearing' of the inlet delta is a combination of liquefaction and compaction of saturated sediments and some possible sliding and later spreading on the delta toward the deeper part of the lake", Said Claudio Berti, director and state geologist from the Idaho Geological Survey.
Experts aren’t sure what caused the earthquake yet, however, it’s believed geologists are still looking into the matter.