The Yellowstone Volcano Observatory (YVO) has released its earthquake diagram for the January 8 earthquake, which was centered about 5 kilometres from the north-western end of the park.
Yellowstone National Park (YNP) spokesperson Jason Todl said the diagram showed the magnitude of the quake as 7.5, which is a “pretty small magnitude” in relation to the Yellowstone Volcano.
“There was a pretty significant increase in the number of active volcanoes,” he said.
“The volcanoes are all still active and there’s still activity, but there’s a lot less active now.”
The diagram also showed that the earthquake was centered on a narrow valley, but that the area was only 5.8 kilometres from where the epicenter was located.YNP geologist Michael Jorgensen said the fault lines were not as prominent as some of the other faults in the park, and it was not a “big shock”.
“I think that’s a good thing,” he told Al Jazeera.
“In a big earthquake, it doesn’t have the dramatic effects you might expect, but it does cause a lot of damage and it can still happen,” he added.
The diagram was released by the YVO following a press briefing at the Yellowstone site, in which they released the video of the earthquake.
In the video, a man in a cowboy hat and a white T-shirt can be seen walking past a crater as they walk along a trail.
A few seconds later, the footage cuts to a group of people, including two teenagers, who are seen taking pictures and laughing as they are shocked by the magnitude and power of the tremor.
In another video, the group can be heard laughing and joking about the earthquake, as they wait for the shaking to stop.
The Yellowstone Volcano is the sixth largest volcano in the United States and is home to the largest known volcanic eruption in history, with nearly 300,000 people being evacuated.
The quake is the third to strike the Yellowstone Park area in two months, with two other earthquakes in January and December 2016.